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Publikationen - Arbeitsgruppe Prof. Böhmer

Publications - Roland Böhmer

Review Articles

  • S. P. Bierwirth, J. Bolle, S. Bauer, C. Sternemann, C. Gainaru, M. Tolan, R. Böhmer, Scaling of suprastructure and dynamics of pure and mixed Debye liquids, in: The scaling of relaxation processes, edited by A. Loidl, F. Kremer (Springer, Cham, 2018), Chapter 5, p. 121-171 - doi, pdf
  • R. V. Chamberlin, R. Richert, R. Böhmer, Spectral Hole Burning in the Relaxation of Liquids and Solids, in: Nonlinear Dielectric Spectroscopy, edited by R. Richert (Springer, Cham, 2018), Chapter 5, p. 127-185 - doi, pdf
  • R. Böhmer, M. Storek, M. Vogel, NMR studies of ionic dynamics, in: "Modern Methods in Solid-State NMR: A Practitioners Guide", edited by P. Hodgkinson (Royal Society of Chemistry, 2018), Chapter 7, pp. 193-230 - doi, pdf
  • R. Böhmer, M. Storek, M. Vogel, Magnetic Resonance Studies of Heterogeneous Rotational and Translational Dynamics in Glasses and other Disordered Materials, in: "Modern Magnetic Resonance", second edition, edited by G. A. Webb (Springer, Cham, 2017), p. 1-20 - doi, pdf
  • K. Amann-Winkel, R. Böhmer, C. Gainaru, F. Fujara, B. Geil, T. Loerting, Colloquium: Water´s controversial glass transitions, Rev. Mod. Phys. 88, 011002/1-20 (2016) - doi, pdf
  • R. Böhmer, C. Gainaru, R. Richert, Structure and dynamics of monohydroxy alcohols - milestones towards their microscopic understanding, 100 years after Debye, Phys. Rep. 545, 125-196 (2014) - doi, pdf
  • R. Böhmer, K. R. Jeffrey, M. Vogel, Solid-state lithium NMR with applications to the translational dynamics in ion conductors, Prog. NMR Spectrosc. 50, 87-174 (2007) - doi, pdf
  • R. Böhmer, G. Diezemann, G. Hinze, K. R. Jeffrey, M. Winterlich, Heterogeneous dynamics in disordered materials: Viscous liquids, plastic crystals, and glassy ionics, in: Modern Magnetic Resonance, Volume 3: Applications in Materials, Food, and Marine Sciences, edited by G. A. Webb (Springer, Dordrecht, 2006), p. 1467-1471 - doi, pdf
  • R. Böhmer, F. Kremer, Dielectric spectroscopy and multidimensional NMR - A comparison, in: Broadband dielectric spectroscopy, edited by F. Kremer and A. Schönhals (Springer, Berlin, 2002), p. 625-684 - doi, pdf
  • R. Böhmer, G. Diezemann, Principles and applications of pulsed dielectric spectroscopy and nonresonant dielectric hole burning, in: Broadband dielectric spectroscopy, edited by F. Kremer and A. Schönhals (Springer, Berlin, 2002), p. 523-569 - doi, pdf
  • R. Böhmer, G. Diezemann, G. Hinze, E. Rössler, Dynamics of supercooled liquids and glassy solids, Prog. NMR Spectrosc. 39, 191-267 (2001) - doi, pdf
  • R. Böhmer, R. V. Chamberlin, G. Diezemann, B. Geil, A. Heuer, G. Hinze, S. C. Kuebler, R. Richert, B. Schiener, H. Sillescu, H. W. Spiess, U. Tracht, M. Wilhelm, Nature of the non-exponential primary relaxation in structural glass-formers probed by dynamically selective experiments, J. Non-Cryst. Solids 235-237, 1-9 (1998) - doi, pdf
  • R. Böhmer, Nanoscale heterogeneity in glass-forming liquids: Experimental advances, Current Opinion in Solid State & Material Science 3, 378-385 (1998) - doi, pdf
  • R. Böhmer, Non-exponential relaxation in disordered materials: Phenomenological correlations and spectrally selective experiments, Phase Trans. 65, 211-231 (1998) - doi, pdf
  • J. Hemberger, R.Böhmer, A. Loidl, Non-linear susceptibilities and polydispersivity in dipolar glasses, Phase Trans. 65, 233-261 (1998) - doi, pdf
  • A. Loidl, R. Böhmer, Glass transitions and relaxation phenomena in orientational glasses and supercooled plastic crystals , in: Disorder effects on relaxational processes, edited by R. Richert and A. Blumen (Springer, Berlin Heidelberg, 1994), p. 659-696 - doi, pdf
  • R. Böhmer, C. A. Angell, Global and local relaxations in glass-forming materials , in: Disorder effects on relaxational processes , edited by R. Richert and A. Blumen (Springer, Berlin Heidelberg, 1994), p. 11-54 - doi, pdf
  • C. A. Angell, C. Alba, A. Arzimanoglou, R. Böhmer, J. Fan, Q. Lu, E. Sanchez, H. Senapati,  M. Tatsumisago, Slow processes in viscous liquids: Stress and structural relaxation, chemical reaction freezing, crystal nucleation and microemulsion arrest, in relation to liquid fragility, in: Slow Dynamics in Condensed Matter, edited by K. Kawasaki, T. Kawakatsu, and M. Tokuyama (AIP Conference Proceedings No.256, New York, 1992), p. 3-19 - doi, pdf
  • C. A. Angell, R. Böhmer, Mechanical spectroscopy in glassy systems, (Summer School on Mechanical Spectroscopy, Kraków, Poland, September 1991), in: Mechanical spectroscopy and its applications in materials science, edited by L. B. Magalas - pdf

Water, ices, clathrates, and hydrates

  • S. Ahlmann, L. Hoffmann, M. Keppler, P. Münzner, C. M. Tonauer, T. Loerting, C. Gainaru, R. Böhmer, Isotope effects on the dynamics of amorphous ices and aqueous phosphoric acid solutions, Phys. Chem. Chem. Phys. 24, 14846-14856 (2022) - doi, pdf
  • L. Hoffmann, J. Beerwerth, M. Adjei-Körner, V. Fuentes-Landete, C. M. Tonauer, T. Loerting, R. Böhmer, Oxygen NMR studies of high-density and low-density amorphous ice, J. Chem. Phys. 156, 084503/1-11 (2022) - doi, pdf, Front Cover - doi
  • P. Gallo, J. Bachler, L. E. Bove, R. Böhmer, G. Camisasca, L. E. Coronas, H. R. Corti, I. de A. Ribeiro, M. de Koning, G. Franzese, V. Fuentes-Landete, C. Gainaru, T. Loerting, J. M. Montes de Oca, P. H. Poole, M. Rovere, F. Sciortino, C. M. Tonauer, G. A. Appignanesi, Advances in the study of supercooled water, Eur. Phys. J. E 44, 143/1-36 (2021) - doi, pdf

  • L. J. Plaga, A. Raidt, V. Fuentes Landete, K. Amann-Winkel, B. Massani, T. Gasser, C. Gainaru, T. Loerting, R. Böhmer, Amorphous and crystalline ices studied by dielectric spectroscopy, J. Chem. Phys. 150, 244501/1-9 (2019) - doi, pdf

  • P. Münzner, L. Hoffmann, R. Böhmer, C. Gainaru, Deeply supercooled aqueous LiCl solution studied by frequency-resolved shear rheology, J. Chem. Phys. 150, 234505/1-9 (2019) - doi, pdf

  • V. Fuentes Landete, L. J. Plaga, M. Keppler, R. Böhmer, T. Loerting, Nature of water´s second glass transition elucidated by doping and isotope substitution experiments, Phys. Rev. X 9, 011015/1-12 (2019) - doi, pdf

  • V. Fuentes-Landete, K. W. Köster, R. Böhmer, T. Loerting, Isotope effect on the order-disorder transition of ice XIV to ice XII, Phys. Chem. Chem. Phys. 20, 21607-21616 (2018) - doi, pdf
  • T. M. Gasser, A. Thoeny, L. J. Plaga, K. W. Köster, M. Etter, R. Böhmer, T. Loerting, Experiments indicating a second hydrogen ordered phase of ice VI, Chem. Sci. 9, 4224-4234 (2018) - doi, pdf, Inside Front Cover - doi
  • C. Gainaru, E. Vynokur, K. W. Köster, V. Fuentes-Landete, N. Spettel, J. Zollner, T. Loerting, R. Böhmer, Dynamic signature of the transition from cubic to hexagonal ice up to the melting point, J. Chem. Phys. 148, 234501/1-8 (2018) - doi, pdf
  • K. W. Köster, F. Wieland, T. Klocke, R. Böhmer, Interplay of defects and Bernal-Fowler rules: A simulation study of the dynamics on ice lattices, Phys. Rev. B 96, 134301/1-12 (2017) - doi, pdf
  • S. Lemke, P. H. Handle, L. J. Plaga, J. N. Stern, M. Seidl, V. Fuentes-Landete, K. Amann-Winkel, K. W. Köster, C. Gainaru, T. Loerting, R. Böhmer, Relaxation dynamics and transformation kinetics of deeply supercooled water: Temperature, pressure, doping, and proton/deuteron isotope effects, J. Chem. Phys. 147, 034506/1-8 (2017) - doi, pdf
  • M. Adjei-Acheamfour, M. Storek, R. Böhmer, Communication: Heterogeneous water dynamics on a clathrate hydrate lattice detected by multidimensional oxygen nuclear magnetic resonance, J. Chem. Phys. 146, 181101/1-5 (2017) - doi, pdf
  • K. W. Köster, A. Raidt, C. Gainaru, V. Fuentes-Landete, T. Loerting, R. Böhmer, Doping-enhanced dipolar dynamics in ice V as a precursor of proton ordering in ice XIII, Phys. Rev. B 94, 184306/1-10 (2016) - doi, pdf
  • M. Adjei-Acheamfour, J. Tilly, J. Beerwerth, R. Böhmer, Water dynamics on ice and hydrate lattices studied by second-order central-line stimulated-echo oxygen-17 nuclear magnetic resonance, J. Chem. Phys. 143, 214201/1-12 (2015) - doi, pdf
  • J. Stern, M. Seidl, C. Gainaru, V. Fuentes-Landete, K. Amann-Winkel, P. H. Handle, K. W. Köster, H. Nelson, R. Böhmer, T. Loerting, Experimental evidence for two distinct deeply supercooled liquid states of water [Response to “Comment on ‘Water´s second glass transition’”, by G. P. Johari], Thermochim. Acta 617, 200-207 (2015) - doi, pdf
  • K. W. Köster, V. Fuentes-Landete, A. Raidt, M. Seidl, C. Gainaru, T. Loerting, R. Böhmer, Dynamics enhanced by HCl doping triggers 60% Pauling entropy release at the ice XII-XIV transition, Nat. Commun. 6, 7349/1-7 (2015) - doi , Author Correction (correction submitted November 2016) - doi, pdf
  • H. Nelson, A. Ihrig, R. Kahlau, P. Kibies, S. M. Kast, R. Böhmer, Dielectric and deuteron magnetic resonance studies of guest reorientation and defect dynamics in six clathrate hydrates with ri ng-type guests, J. Non-Cryst. Solids 407, 431-440 (2015) - doi, pdf
  • T. Loerting, V. Fuentes-Landete, P. H. Handle, M. Seidl, K. Amann-Winkel, C. Gainaru, R. Böhmer, The glass transition in high-density amorphous ice, J. Non-Cryst. Solids 407, 423-430 (2015) - doi, pdf
  • C. Gainaru, A. L. Agapov, V. Fuentes-Landete, K. Amann-Winkel, H. Nelson, K. W. Köster, A. I. Kolesnikov, V. N. Novikov, R. Richert, R. Böhmer,T. Loerting, A. P. Sokolov, Anomalously large isotope effect in the glass transition of water, Proc. Natl. Acad. Sci. U.S.A. 111, 17402-17407 (2014) - doi, pdf
  • M. Frey, H. Didzoleit, C. Gainaru, R. Böhmer, Dynamics in glass forming sulfuric and nitric acid hydrates, J. Phys. Chem. B 117, 12164-12174 (2013) - doi, pdf
  • H. Didzoleit, M. Storek, C. Gainaru, B. Geil, R. Böhmer, Dynamics of supercooled liquid ammonia hydrate, J. Phys. Chem. B 117, 12157-12163 (2013) - doi, pdf
  • K. Amann-Winkel, C. Gainaru, H. Nelson, P. H. Handle, M. Seidl, R. Böhmer, T. Loerting, Water's second glass transition, Proc. Natl. Acad. Sci. U.S.A. 110, 17720-17725 (2013) - doi, pdf,  Süddeutsche Zeitung - pdf, Physics Today - doi
  • H. Nelson, S. Schildmann, A. Nowaczyk, C. Gainaru, B. Geil, R. Böhmer, Small-angle water reorientations in KOH doped hexagonal ice and clathrate hydrates, Phys. Chem. Chem. Phys. 15, 6355-6367 (2013) - doi, pdf
  • S. Schildmann, A. Schöler, A. Nowaczyk, B. Geil, R. Böhmer, Salty Water in KOH-Doped Hexagonal Ice: a Proton and Deuteron NMR Study, Appl. Magn. Reson. 44, 203-215 (2013) - doi, pdf
  • C. Gainaru, R. Böhmer, Comment on "Hidden slow dynamics in water'', Phys. Rev. Lett. 104, 249803/1 (2010) - doi, pdf
  • H. Nelson, A. Nowaczyk, C. Gainaru, S. Schildmann, B. Geil, R. Böhmer, Deuteron nuclear magnetic resonance and dielectric study of host and guest dynamics in KOH doped tetrahydrofuran clathrate hydrate, Phys. Rev. B 81, 224206/1-10 (2010) - doi, pdf
  • A. Nowaczyk, S. Schildmann, B. Geil, R. Böhmer, Guest motion in tetrahydrofuran clathrate hydrate studied by deuteron nuclear magnetic resonance, Phys. Rev. B 80, 144303/1-9 (2009) - doi, pdf
  • S. Schildmann, A. Nowaczyk, B. Geil, C. Gainaru, R. Böhmer, Water dynamics on the hydrate lattice of a tetra-butyl ammonium bromide semi-clathrate, J. Chem. Phys. 130, 104505/1-10 (2009) - doi, pdf
  • H. Schober, A. Tölle, M. Koza, F. Fujara, C. A. Angell, R. Böhmer, Amorphous polymorphism in ice investigated by inelastic neutron scattering, Physica B 241-243, 897-902 (1998) - doi, pdf

Monohydroxy alcohols and related liquids

  • J. Bolle, S. P. Bierwirth, M. Požar, A. Perera, M. Paulus, P. Münzner, C. Albers, S. Dogan, M. Elbers, R. Sakrowski, G. Surmeier, R. Böhmer, M. Tolan, C. Sternemann, Isomeric effects in structure formation and dielectric dynamics of different octanols, Phys. Chem. Chem. Phys. 23, 24211-24221 (2021) - doi, pdf

  • G. Honorio, S. P. Bierwirth, C. Gainaru, R. Böhmer, Separation of supramolecular and structural relaxations in a model peptide achieved by nonlinear electrical and rheological spectroscopies, Soft Matter 15, 4334-4345 (2019) - doi, pdf

  • S. P. Bierwirth, G. Honorio, C. Gainaru, R. Böhmer, Linear and nonlinear shear studies reveal supramolecular responses in supercooled monohydroxy alcohols with faint dielectric signatures, J. Chem. Phys.150, 104501/1-12 (2019) - doi, pdf

  • S. P. Bierwirth, C. Gainaru, R. Böhmer, Coexistence of two structural relaxation processes in monohydroxy alcohol–alkyl halogen mixtures: Dielectric and rheological studies, J. Chem. Phys. 149, 044509/1-10 (2018) - doi, pdf
  • S. P. Bierwirth, C. Gainaru, R. Böhmer, Communication: Correlation of terminal relaxation rate and viscosity enhancement in supramolecular small-molecule liquids, J. Chem. Phys. 148, 221102/1-4 (2018) - doi, pdf - Supplementary Information - pdf
  • T. Büning, J. Lueg, J. Bolle, C. Sternemann, C. Gainaru, M. Tolan, R. Böhmer, Connecting structural and dynamical signatures of supramolecular Debye liquids, J. Chem. Phys. 147, 234501/1-8 (2017) - doi, pdf, Supplementary Information - pdf
  • C. Gainaru, T. Hecksher, F. Fan, K. Xing, B. Cetinkaya, N. B. Olsen, J. C. Dyre, A. P. Sokolov, R. Böhmer, Simple-liquid dynamics emerging in the mechanical shear spectra of poly(propylene glycol), Colloid. Polym. Sci.B 295, 2433-2437 (2017) - doi, pdf
  • S. P. Bierwirth, P. Münzner, T. A. Knapp, C. Gainaru, R. Böhmer, Communication: Nonadditive dielectric susceptibility spectra of associating liquids, J. Chem. Phys. 146, 101101/1-4 (2017) - doi, pdf
  • C. Gainaru, S. Bauer, E. Vynokur, H. Wittkamp, W. Hiller, R. Richert, R. Böhmer, Dynamics in Supercooled Secondary Amide Mixtures: Dielectric and Hydrogen Bond Specific Spectroscopies, J. Phys. Chem. B 119, 15769-15779 (2015) - doi, pdf
  • S. Bauer, J. Stern, F. Böhm, C. Gainaru, M. Havenith, T. Loerting, R. Böhmer, Vibrational study of anharmonicity, supramolecular structure, and hydrogen bonding in two octanol isomers, Vib. Spectrosc. 79, 59-66 (2015) - doi, pdf
  • S. Bauer, K. Moch, P. Münzner, S. Schildmann, C. Gainaru, R. Böhmer, Mixed Debye-type liquids studied by dielectric, shear mechanical, nuclear magnetic resonance, and near-infrared spectroscopy, J. Non-Cryst. Solids 407, 384-391 (2015) - doi, pdf
  • S. P. Bierwirth, T. Büning, C. Gainaru, C. Sternemann, M. Tolan, R. Böhmer, Supramolecular x-ray signature of susceptibility amplification in hydrogen-bonded liquids, Phys. Rev. E 90, 052807/1-5 (2014) - doi, pdf
  • C. Gainaru, M. Wikarek, S. Pawlus, M. Paluch, R. Figuli, M. Wilhelm, T. Hecksher, B. Jakobsen, J. C. Dyre, R. Böhmer, Oscillatory shear and high-pressure dielectric study of 5-methyl-3-heptanol, Colloid. Polym. Sci. 292, 1913-1921 (2014) - doi, pdf
  • P. Sillrén, A. Matic, M. Karlsson, M. Koza, M. Maccarini, P. Fouquet, M. Götz, Th. Bauer, R. Gulich, P. Lunkenheimer, A. Loidl, J. Mattsson, C. Gainaru, E. Vynokur, S. Schildmann, S. Bauer, R. Böhmer, Liquid 1-propanol studied by neutron scattering, near-infrared, and dielectric spectroscopy, J. Chem. Phys. 140, 124501/1-10 (2014) - doi, pdf
  • C. Gainaru, R. Figuli, T. Hecksher, B. Jakobsen, J.C. Dyre, M. Wilhelm, R. Böhmer, Shear-Modulus Investigations of Monohydroxy Alcohols: Evidence for a Short-Chain-Polymer Rheological Response, Phys. Rev. Lett. 112, 098301/1-4 (2014) - doi, pdf
  • S. Bauer, H. Wittkamp, S. Schildmann, M. Frey, W. Hiller, T. Hecksher, N. B. Olsen, C. Gainaru, R. Böhmer, Broadband dynamics in neat 4-methyl-3-heptanol and in mixtures with 2-ethyl-1-hexanol, J. Chem. Phys.139, 134503/1-10 (2013) - doi, pdf
  • S. Pawlus, M. Wikarek, M. Paluch, C. Gainaru, R. Böhmer, How do high pressures change the Debye process of 4-methyl-3-heptanol?, J. Chem. Phys. 139, 064501/1-7 (2013) - doi, pdf
  • S. Bauer, K. Burlafinger, C. Gainaru, P. Lunkenheimer, W. Hiller, A. Loidl, R. Böhmer, Debye relaxation and 250 K anomaly in glass forming monohydroxy alcohols, J. Chem. Phys. 138, 094505/1-11 (2013) - doi, pdf
  • M. Preuß, C. Gainaru, T. Hecksher, S. Bauer, J. C. Dyre, R. Richert, R. Böhmer, Experimental studies of Debye-like process and structural relaxation in mixtures of 2-ethyl-1-hexanol and 2-ethyl-1-hexyl bromide, J. Chem. Phys. 137, 144502/1-10 (2012) - doi, pdf
  • C. Gainaru, S. Schildmann, R. Böhmer, Surface and confinement effects on the dielectric relaxation of a monohydroxy alcohol,  J. Chem. Phys. 135, 174510/1-5 (2011) - doi, pdf
  • S. Schildmann, A. Reiser, R. Gainaru, C. Gainaru, R. Böhmer, Nuclear magnetic resonance and dielectric noise study of spectral densities and correlation functions in the glass forming monoalcohol 2-ethyl-1-hexanol, J. Chem. Phys. 135, 174511/1-11 (2011) - doi, pdf
  • C. Gainaru, S. Kastner, F. Mayr, P. Lunkenheimer, S. Schildmann, H. J. Weber, W. Hiller, A. Loidl, R. Böhmer, Hydrogen-bond equilibria and life times in a monohydroxy alcohol, Phys. Rev. Lett. 107, 118304/1-5 (2011) - doi, pdf
  • C. Lederle, W. Hiller, C. Gainaru, R. Böhmer, Diluting the hydrogen bonds in viscous solutions of n-butanol with n-bromobutane: II. A comparison of rotational and translational motions, J. Chem. Phys. 134, 064512/1-9 (2011) - doi, pdf
  • C. Gainaru, R. Meier, S. Schildmann, C. Lederle, W. Hiller, E. A. Rössler, R. Böhmer, Nuclear-magnetic-resonance measurements reveal the origin of the Debye process in monohydroxy alcohols, Phys. Rev. Lett. 105, 258303/1-4 (2010) animation - doi, pdf
  • A. Reiser, G. Kasper, C. Gainaru, R. Böhmer, High-pressure dielectric scaling study of a monohydroxy alcohol, J. Chem. Phys. 132, 181101/1-3 (2010) - doi, pdf
  • C. Gainaru, R. Böhmer, Coupling of the electrical conductivity to the structural relaxation, absence of physical aging on the time scale of the Debye process, and number of correlated molecules in the supercooled monohydroxy alcohol 2-ethylhexanol, J. Non-Cryst. Solids356, 542-546 (2010) - doi, pdf
  • T. El Goresy, R. Böhmer, Diluting the hydrogen bonds in mixtures of n-butanol with n-bromobutane: A dielectric study, J. Chem. Phys. 128, 154520/1-8 (2008) - doi, pdf
  • B. Schiener, R. Böhmer, Dielectric relaxation in supercooled 1-propanol, J. Non.-Cryst. Solids 182, 180-185 (1995) - doi, pdf

Ion conductors

  • S. Lansab, P. Münzner, H. Zimmermann, R. Böhmer, Deuteron nuclear magnetic resonance and dielectric studies of molecular reorientation and charge transport in succinonitrile-glutaronitrile supercooled plastic crystals, J. Non-Cryst. Solids: X 14, 100097/1-9 (2022) - doi, pdf - Part of the C. Austen Angell memorial issue "Glass is frozen beauty" - A Memorial Issue in Honor of C. Austen Angell (1933 – 2021)
  • Y. Hinz, R. Böhmer, Deuteron nuclear magnetic resonance of glyceline deep eutectic solvents: Selective detection of choline and glycerol dynamics, J. Chem. Phys. 156, 194506/1-13 (2022) - doi, pdf
  • P. Münzner, C. Gainaru, R. Böhmer, How the cation size impacts on the relaxational and diffusional dynamics of supercooled butylammonium-based ionic liquids: DPEBA-TFSI versus BTMA-TFSI, Z. Phys. Chem. 236, 923-937 (2022) - doi, pdf
  • S. Ahlmann, P. Münzner, K. Moch, A. P. Sokolov, R. Böhmer, C. Gainaru, The relationship between charge and molecular dynamics in viscous acid hydrates, J. Chem. Phys. 155, 014505/1-11 (2021) - doi, pdf
  • D. Reuter, P. Münzner, C. Gainaru, P. Lunkenheimer, A. Loidl, R. Böhmer, Translational and reorientational dynamics in deep eutectic solvents, J. Chem. Phys. 154, 154501/1-11 (2021) - doi, pdf
  • C. A. Thomann, P. Münzner, K. Moch, J. Jacquemin, P. Goodrich, A. Sokolov, R. Böhmer, C. Gainaru, Tuning the dynamics of imidazolium-based ionic liquids via hydrogen bonding. I. The viscous regime, J. Chem. Phys. 153, 194501/1-15 (2020) - doi, pdf

  • F. Wieland, V. Bocharova, P. Münzner, W. Hiller, R. Sakrowski, C. Sternemann, R. Böhmer, A. P. Sokolov, C. Gainaru, Structure and dynamics of small-chain polymerized ionic liquids, J. Chem. Phys. 151,034903/1-11 (2019) - doi. pdf, Supplementary Information - pdf

  • F. Wieland, A. P. Sokolov, R. Böhmer, C. Gainaru, Transient nonlinear response of dynamically decoupled ionic conductors, Phys. Rev. Lett. 121, 064503/1-6 (2018) - doi, pdf
  • M. Storek, J. Tilly, K. R. Jeffrey, R. Böhmer, Four-time 7Li stimulated-echo spectroscopy for the study of dynamic heterogeneities: Application to lithium borate glass, J. Magn. Reson. 282, 1-9 (2017), Supplementary Information - doi, pdf
  • T. Jessat, M. Adjei-Acheamfour, M. Storek, R. Böhmer, Submillimeter coils for stimulated-echo spectroscopy of a solid sodium ion conductor by nonselective excitation of MHz broad 23Na quadrupolar satellite spectra, State Nucl. Magn. Reson. 82, 16-21 (2017) - doi, pdf
  • M. Storek, M. Adjei-Acheamfour, R. Christensen, S. W. Martin, R. Böhmer, Positive and Negative Mixed Glass Former Effects in Sodium Borosilicate and Borophosphate Glasses Studied by 23Na NMR, J. Phys. Chem. B 120, 4482-4495 (2016) - doi, pdf
  • M. Storek, R. Böhmer, Interchannel Hopping in Single Crystalline Lithium Triborate Probed by 7Li NMR: Spin-Relaxation, Line Shape Analysis, Selective-Inversion Spin-Alignment, and Two-Dimensional Exchange Spectra, J. Phys. Chem. C 120, 7767-7777 (2016) - doi, pdf
  • M. Storek, R. Böhmer, Quadrupolar transients, cosine correlation functions, and two-dimensional exchange spectra of non-selectively excited spin-3/2 nuclei: A 7Li NMR study of the superionic conductor lithium indium phosphate, J. Magn. Reson. 260, 116-126 (2015) - doi, Supplementary Information, Corrigendum, J. Magn. Reson. 272, 60 (2016) - doi, pdf
  • M. Storek, K. R. Jeffrey, R. Böhmer, Local-field approximation of homonuclear dipolar interactions in 7Li-NMR: Density-matrix calculations and random-walk simulations tested by echo experiments on borate glasses, Solid State Nucl. Magn. Reson. 59-60, 8-19 (2014) - doi, pdf
  • M. Storek, R. Böhmer, S. W. Martin, D. Larink, H. Eckert, NMR and conductivity studies of the mixed glass former effect in lithium borophosphate glasses, J. Chem. Phys. 137, 124507/1-12 (2012) - doi, pdf
  • S. Faske, B. Koch, S. Murawski, R. Küchler, R. Böhmer, J. Melchior, M. Vogel, Mixed-cation LixAg1–xPO3 glasses studied 6Li, 7Li, and 109Ag stimulated-echo NMR spectroscopy, Phys. Rev. B 84, 024202/1-9 (2011) - doi, pdf
  • A. Issa, R. V. Anavekar, R. Küchler, R. Böhmer, O. Kanert, H. Jain, Electrical transport in oxide glasses containing gold nanoparticles, Z. Phys. Chem. 223, 1273-1284 (2009) - doi, pdf
  • H. Jain, A. Issa, R. V. Anavekar, R. Böhmer, O. Kanert, R. Küchler, Ionic-to-electronic conductivity transition in an oxide glass doped with gold, Appl. Phys. Lett. 95, 142908/1-3 (2009) - doi, pdf
  • R. Böhmer, S. Faske, B. Geil, Mistimed stimulated echoes and distorted spin-alignment spectra of powdered solids, Solid State Nucl. Magn. Reson. 34, 32-36 (2008) - doi, pdf
  • B. Geil, G. Diezemann, R. Böhmer, Calculations of stimulated echoes and two-dimensional nuclear magnetic resonance spectra for solids with simple line shapes, J. Chem. Phys. 128, 114506/1-12 (2008) - doi, pdf
  • R. Böhmer, F. Qi, Spin relaxation and ultra-slow Li transport in an aluminosilicate glass ceramic, Solid State Nucl. Magn. Reson. 31, 28-34 (2007) - doi, pdf
  • C. A. Martindale, A. Karthikeyan, R. Böhmer, R. Küchler, S. W. Martin, Synthesis and characterization of Ge and Sn (II) iodide doped thioborate anhydrous proton conductors, Solid State Ionics 177, 2865-2872 (2006) - doi, pdf
  • F. Qi, C. Rier, R. Böhmer, W. Franke, P. Heitjans, Ion hopping in crystalline and glassy spodumene: 7Li spin-lattice relaxation and 7Li echo NMR spectroscopy, Phys. Rev. B 72, 104301/1-11 (2005) - doi, pdf
  • S. Berndt, K. R. Jeffrey, R. Küchler, R. Böhmer, Silver ion dynamics in silver borate glasses: spectra and multiple-time correlation functions from 109Ag NMR, Solid State Nucl. Magn. Reson. 27, 122-131 (2005) - doi, pdf
  • F. Qi, G. Diezemann, H. Böhm, J. Lambert, R. Böhmer, Simple modeling of dipolar coupled 7Li spins and stimulated-echo spectroscopy of single-crystalline ß-eucryptite, J. Magn. Reson. 169, 225-239 (2004) - doi, pdf
  • F. Qi, M. Winterlich, A. Titze, R. Böhmer, Complex hopping dynamics in the deuteron conductors K3D(SO4)2 and Rb3D(SO4)2, J. Chem. Phys. 117, 10233-10238 (2002) - doi, pdf
  • R. Böhmer, T. Jörg, F. Qi, A. Titze, Stimulated 7Li echo NMR spectroscopy of slow ionic motions in a solid electrolyte, Chem. Phys. Lett. 316, 419-424 (2000) - doi, pdf
  • R. Richert, R. Böhmer, Heterogeneous and homogeneous diffusivity in an ion conducting glass, Phys.Rev.Lett. 83, 4337-4340 (1999) - doi, pdf
  • C. Zürn, A. Titze, G. Diezemann, R. Böhmer, 87Rb-NMR studies of molten and glassy 2Ca(NO3)2-3RbNO3, J. Phys. Chem. B 103, 4109-4112 (1999) - doi, pdf
  • A. Pimenov, A. Loidl, R. Böhmer, Structural relaxation in a molten salt probed by time-dependent dc conductivity measurements, J. Non-Cryst. Solids - Letter 212, 89-94 (1997) - doi, pdf
  • A. Pimenov, R. Böhmer, A. Loidl, Relaxation times at the rate-dependent glass transition, Prog. Theor. Phys. Suppl. 126, 185-190 (1997) - doi, pdf
  • A. Pimenov, P. Lunkenheimer, M. Nicklas, R. Böhmer, A. Loidl, C. A. Angell, Ionic transport and heat capacity of glass-forming metal-nitrate mixtures, J. Non-Cryst. Solids 220, 83-101 (1997) - doi, pdf
  • A. Pimenov, P. Lunkenheimer, H. Rall, R. Kohlhaas, A. Loidl, R. Böhmer, Ion transport in the fragile glass former 3KNO3-2Ca(NO3)2, Phys. Rev. E 54, 676-684 (1996) - doi, pdf
  • R. Böhmer, P. Lunkenheimer, M. Lotze, A. Loidl, The lithium ion conductor ß-spodumene: An orientational glass, Z. Phys. B - Condensed Matter 100, 583-593 (1996) - doi, pdf
  • P. Lunkenheimer, H. Rall, J. Alkemper, H. Fuess, R. Böhmer, A. Loidl, Ionic motion in bioactive ceramics investigated by dielectric spectroscopy, Solid State Ionics 81, 129-134 (1995) - doi, pdf
  • P. Lunkenheimer, G. Gerhard, F. Drexler, R. Böhmer, A. Loidl, W. Pannhorst, Ionic conductivity in Li2O-Al2O3-SiO2 based glasses and glass ceramics, Z. Naturforsch. 50a, 1151-1155 (1995) - pdf, pdf
  • R. Böhmer, M. Lotze, P. Lunkenheimer, F. Drexler, G. Gerhard, A. Loidl, Glassy, ceramic, and crystalline aluminosilicates: Charge transport and low-temperature heat capacity studies, J. Non-Cryst. Solids 172-174, 1270-1276 (1994) - doi, pdf
  • R. Böhmer, G. Gerhard, F. Drexler, A. Loidl, K. L. Ngai, W. Pannhorst, Single particle jumps and correlated ionic motions in glass ceramics, J. Non-Cryst. Solids - Letter 155, 189-193 (1993) - doi, pdf
  • R. Böhmer, E. Sanchez, C. A. Angell, Ac technique for simultaneous study of local and global linear responses near the glass transition: The case of doped Ca2+/K+/NO3-, J. Phys. Chem. - Letter 96, 9089-9092 (1992) - doi, pdf

Bio-related materials

  • L. Röwekamp, K. Moch, C. Gainaru, R. Böhmer, Predicting dielectric properties of pharmaceutical liquids from shear rheology: Applications and limitations, Mol. Pharmaceutics 19, 1586-1597 (2022) - doi, pdf
  • A. Mansuri, P. Münzner, T. Feuerbach, A. W. P. Vermeer, W. Hoheisel, J. Winck, R. Böhmer, M. Thommes, C. Gainaru, The relaxation behavior of supercooled and glassy imidacloprid, J. Chem. Phys. 155, 174502/1-12 (2021) - doi, pdf
  • K. Moch, S. P. Bierwirth, C. Gainaru, R. Böhmer, First- and third-order shear nonlinearities across the structural relaxation peak of the deeply supercooled pharmaceutical liquid indomethacin, J. Chem. Phys. 155, 134901/1-11 (2021) - doi, pdf
  • S. Bauer, M. Storek, C. Gainaru, H. Zimmermann, R. Böhmer, Molecular dynamics in supercooled and glassy ibuprofen: Deuteron magnetic resonance and high-resolution rheology studies, J. Phys. Chem. B 119, 5087 (2015), Supporting Information - doi, pdf, Supporting Information - pdf
  • A. Nowaczyk, R. C. Nath, H. Zimmermann, R. Böhmer, Deuteron Magnetic Resonance Studies of Anhydrous Caffeine, Z. Phys. Chem. 226, 1115-1124 (2012) - doi, pdf
  • S. A. Lusceac, M. Rosenstihl, M. Vogel, C. Gainaru, A. Fillmer, R. Böhmer, NMR and dielectric studies of hydrated collagen and elastin: Evidence for a delocalized secondary relaxation, J. Non-Cryst. Solids 357, 655-663 (2011) - doi, pdf
  • A. Fillmer, C. Gainaru, R. Böhmer, Broadened dielectric loss spectra and reduced dispersion strength of viscous glycerol in a connective tissue protein, J. Non-Cryst. Solids 356, 743-746 (2010) - doi, pdf
  • C. Gainaru, A. Fillmer, R. Böhmer, Dielectric response of deeply supercooled hydration water in the connective tissue proteins collagen and elastin, J. Phys. Chem. B - Letter 113, 12628-12631 (2009) - doi, pdf
  • R. Nath, B. Geil, A. Nowaczyk, R. Böhmer, 2H-NMR studies of supercooled and glassy aspirin, J. Non-Cryst. Solids 353, 3788-3795 (2007) - doi, pdf
  • T. El Goresy, R. Böhmer, Dielectric relaxation processes in solid and supercooled liquid solutions of acetaminophen and nifedipine, J. Phys. - Condensed Matter 19, 205134/1-9 (2007) - doi, pdf
  • R. Nath, T. El Goresy, B. Geil, H. Zimmermann, R. Böhmer, Relaxation in the glass-former acetyl salicylic acid studied by deuteron magnetic resonance and dielectric spectroscopy, Phys. Rev. E 74, 021506/1-4 (2006) and Virtual Journal of Biological Physics Research 12, 4 (2006) - doi, pdf
  • T. El Goresy, R. Böhmer, Dielectric study of the viscous and glassy states of a binary, nifedipine-based pharmaceutical alloy, J. Non-Cryst. Solids 352, 4459-4463 (2006) - doi, pdf

Supercooled liquids, glasses, and polymers

  • K. Moch, P. Münzner, R. Böhmer, C. Gainaru, Molecular cross-correlations govern structural rearrangements in a nonassociating polar glassformer, Phys. Rev. Lett. 128, 228001/1-6 (2022) - doi, pdf
  • M. Becher, T. Körber, A. Döß, G. Hinze, C. Gainaru, R. Böhmer, M. Vogel, E. A. Rössler, NMR spin relaxation in viscous liquids: relaxation stretching of single-particle probes, J. Phys. Chem. B 125, 13519–13532 (2021) - doi, pdf
  • C. Gainaru, S. Ahlmann, L. S. Röwekamp, K. Moch, S. P. Bierwirth, R. Böhmer, Rheology based estimates of self- and collective diffusivities in viscous liquids, J. Chem. Phys. 155, 011101/1-5 (2021) - doi, pdf
  • P. Calandra, V. Turco Liveri, N. Proietti, D. Capitani, D. Lombardo, C. Gainaru, R. Böhmer, M. Kozak, M. Dobies, Z. Fojud, M. Pochylski, Non-ideal mixing behavior in dibutyl phosphate-propylamine binary liquids: dielectric and nuclear magnetic resonance investigations, J. Mol. Liq. 323, 1149633 (2021) - doi, pdf
  • T. Körber, R. Stäglich, C. Gainaru, R. Böhmer, E. A. Rössler, Systematic differences in the relaxation stretching of polar molecular liquids probed by dielectric vs magnetic resonance and photon correlation spectroscopy, J. Chem. Phys. 153, 124510/1-15 (2020) - doi, pdf
  • C. Gainaru, H. Nelson, J. Huebinger, M. Grabenbauer, R. Böhmer, Suppression of orientational correlations in the viscous-liquid state of hyperquenched pressure-densified glycerol, Phys. Rev. Lett. 125, 065503/1-5 (2020) - doi, pdf
  • L. Hoffmann, J. Beerwerth, D. Greim, J. Senker, C. Sternemann, W. Hiller, R. Böhmer, Reorientational dynamics of trimethoxyboroxine: A molecular glass former studied by dielectric spectroscopy and 11B nuclear magnetic resonance, J. Chem. Phys. 152, 034503/1-14 (2020) - doi, pdf, Supplementary Information - pdf
  • S. P. Bierwirth, G. Honorio, C. Gainaru, R. Böhmer, First-order and third-order nonlinearities from medium-amplitude oscillatory shearing of hydrogen-bonded polymers and other viscoelastic materials, Macromolecules 52, 8690-8704 (2019) - doi, pdf, Supplementary Information - pdf

  • J. Beerwerth, S. P. Bierwirth, J. Adam, C. Gainaru, R. Böhmer, Local and global dynamics of the viscous ion conductors 2Ca(NO3)2-3KNO3 and 2Ca(NO3)2-3RbNO3 probed by 87Rb nuclear magnetic resonance and shearrheology, J. Chem. Phys. 150, 194503/1-15 (2019) - doi, pdf,  Supplementary Information - pdf

  • S. P. Bierwirth, R. Böhmer, C. Gainaru, Generic primary mechanical response of viscous liquids, Phys. Rev. Lett. 119, 248001/1-5 (2017) - doi, pdf
  • C. Gainaru, T. Hecksher, N. B. Olsen, R. Böhmer, J.C. Dyre, Shear and dielectric responses of propylene carbonate, tripropylene glycol, and a mixture of two secondary amides, J. Chem. Phys. 137, 064508/1-10 (2012) - doi, pdf
  • C. Gainaru, R. Böhmer, R. Kahlau, E. A. Rössler, Energy landscape in molecular glasses probed by high-resolution dielectric experiments, Phys. Rev. 82, 104205/1-8 (2010) - doi, pdf
  • C. Gainaru, W. Hiller, R. Böhmer, A dielectric study of oligo and poly (propylene glycol), Macromolecules 43, 1907-1914 (2010) - doi, pdf
  • C. Gainaru, R. Kahlau, E. A. Rössler, R. Böhmer, Evolution of excess wing and ß-process in simple glass formers, J. Chem. Phys. 131, 184510/1-10 (2009) - doi, pdf
  • C. Gainaru, R. Böhmer, The oligomer-to-polymer transition of poly(propylene glycol) revealed by dielectric normal modes, Macromolecules - Communication to the Editor 42, 7616-7618 (2009) - doi, pdf
  • R. Böhmer, G. Diezemann, B. Geil, G. Hinze, A. Nowaczyk, M. Winterlich, Correlation of primary and secondary relaxations in a supercooled liquid, Phys. Rev. Lett. 97, 135701/1-4 (2006) - doi, pdf
  • A. Nowaczyk, B. Geil, G. Hinze, R. Böhmer, Correlation of primary relaxations and high-frequency modes in supercooled liquids: II. Evidence from spin-lattice relaxation weighted stimulated-echo spectroscopy, Phys. Rev. E 74, 041505/1-7 (2006) - doi, pdf
  • B. Geil, G. Diezemann, R. Böhmer, Correlation of primary relaxations and high-frequency modes in supercooled liquids: I. Theoretical background of a nuclear magnetic resonance experiment, Phys. Rev. E 74, 041504/1-11 (2006) - doi, pdf
  • G. Diezemann, R. Böhmer, Aging in a free-energy landscape model for glassy relaxation: II. Fluctuation-dissipation relations, J. Chem. Phys. 124, 214507/1-9 (2006) - doi, pdf
  • F. Qi, T. El Goresy, R. Böhmer, A. Döß, G. Diezemann, G. Hinze, H. Sillescu, T. Blochowicz, C. Gainaru, E. Rössler, H. Zimmermann, Nuclear magnetic resonance and dielectric spectroscopy of a simple supercooled liquid: 2-methyl tetrahydrofuran, J. Chem. Phys. 118, 7431-7438 (2003) - doi, pdf
  • H. Sillescu, R. Böhmer, G. Diezemann, G. Hinze, Heterogeneity at the glass transition: What do we know?, J. Non-Cryst. Solids 307-310, 16-23 (2002) - doi, pdf
  • H. Sillescu, R. Böhmer, A. Döß, G. Hinze, T. Jörg, F. Qi, Intramolecular motions in simple glass-forming liquids studied by deuteron NMR, in: Liquid dynamics: Experiment, simulation and theory, edited by J. Fourkas (ACS, Washington, 2002), Chap. 19, p. 256-266 - doi, pdf
  • G. Diezemann and R. Böhmer, Comment on "Hole-Burning Experiments within Glassy Models with Infinite Range Interactions'', Phys. Rev. Lett. 87, 129602 (2001) - doi, pdf
  • F. Qi, R. Böhmer, H. Sillescu, The methyl group as built-in probe of the glassy dynamics in propylene carbonate, Phys. Chem. Chem. Phys. 3, 4022-4028 (2001) - doi, pdf
  • F. Qi, G. Hinze, R. Böhmer, H. Sillescu, H. Zimmermann, Slow and fast methyl group rotations in fragile glass-formers studied by NMR, Chem. Phys. Lett. 328, 257-262 (2000) - doi, pdf
  • R. Böhmer, G. Hinze, T. Jörg, F. Qi, H. Sillescu, Dynamical heterogeneity in a- and ß-relaxations of glass-forming liquids as seen by deuteron NMR, J. Phys. - Condensed Matter 12, A383-A390 (2000) - doi, pdf
  • T. Jörg, R. Böhmer, H. Sillescu, H. Zimmermann, Isotope effects on the dynamics of a supercooled van der Waals liquid, Europhys. Lett. 49, 746-753 (2000) - doi, pdf
  • A. Döß, G. Hinze, R. Böhmer, H. Sillescu, H. Kolshorn, M. Vogel, H. Zimmermann, Deuteron and carbon magnetic resonance studies of liquid and glassy salol, J. Chem. Phys. 112, 5884-5892 (2000) - doi, pdf
  • C. Bauer, R. Richert, R. Böhmer, T. Christensen, Dynamic thermal expansivity near the glass transition, J. Non-Cryst. Solids - Letter 262, 276-281 (2000) - doi, pdf
  • F. Qi, K. U. Schug, A. Döß, S. Dupont, R. Böhmer, H. Sillescu, H. Kolshorn, H. Zimmermann, Structural relaxation of the fragile glass-former propylene carbonate studied by nuclear magnetic resonance, J. Chem. Phys. 112, 9455-9462 (2000) - doi, pdf
  • O. Kircher, R. Böhmer, C. Alba-Simionesco, Reorientations and translations in a fragile glass-former: Magnetic resonance studies of meta-fluoroaniline, J. Mol. Struct. 479, 195-200 (1999) - doi, pdf
  • A. Döß, G. Hinze, G. Diezemann, R. Böhmer, H. Sillescu, Spatial heterogeneity in glassy polystyrene detected by deuteron NMR relaxation, Acta Polymer. 49, 56-58 (1998) - doi, pdf
  • R. Böhmer, G. Diezemann, G. Hinze, H. Sillescu, A nuclear magnetic resonance study of higher-order correlation functions in supercooled ortho-terphenyl, J. Chem. Phys. 108, 890-899 (1998) - doi, pdf
  • G. Diezemann, H. Sillescu, G. Hinze, R. Böhmer, Rotational correlation functions and apparently enhanced translational diffusion in a free energy landscape model for the primary relaxation in glass-forming liquids, Phys. Rev. E 57, 4398-4410 (1998) - doi, pdf
  • K. U. Schug, H. E. King, Jr., R. Böhmer, Fragility under pressure: Diamond anvil cell viscometry of the glass-formers ortho-terphenyl and salol, J. Chem. Phys. 109, 1472-1477 (1998) - doi, pdf
  • G. Diezemann, R. Böhmer, G. Hinze, H. Sillescu, Reorientational dynamics in simple supercooled liquids, J. Non-Cryst. Solids 235-237, 121-127 (1998) - doi, pdf
  • R. Böhmer, G. Hinze, Reorientations in supercooled glycerol studied by two-dimensional time-domain deuteron nuclear magnetic resonance spectroscopy, J. Chem. Phys. 109, 241-248 (1998) - doi, pdf
  • G. Diezemann, G. Hinze, R. Böhmer, H. Sillescu, Higher order time correlation functions from fluctuating energy landscape models: Comparison with reduced 4D-NMR, in: Theoretical and experimental approaches to supercooled liquids: Advances and novel applications, edited by J. Fourkas, D. Kivelson, U. Mohanty, and K. Nelson (ACS, Washington, 1997), Chap. 12, p. 154-167 - doi, pdf
  • A. Döß, G. Hinze, B. Schiener, J. Hemberger, R. Böhmer, Dielectric relaxation in the fragile viscous liquid state of toluene, J. Chem. Phys. 107, 1740-1743 (1997) - doi, pdf
  • P. Lunkenheimer, A. Pimenov, M. Dressel, B. Gorshunov, U. Schneider, B. Schiener, R. Böhmer, A. Loidl, Dielectric spectroscopy at high frequencies on glass-forming liquids, Mat. Res. Soc. Symp. Proc. 455, 47-57 (1997) - doi, pdf
  • R. V. Chamberlin, B. Schiener, R. Böhmer, Slow dielectric relaxation of supercooled liquids investigated by non-resonant spectral hole burning, Mat. Res. Soc. Symp. Proc. 455, 117-125 (1997) - doi, pdf
  • B. Schiener, R. Böhmer, A. Loidl, R. V. Chamberlin, Nonresonant spectral hole burning in the slow dielectric response of supercooled liquids, Science 274, 752-754 (1996) - doi, pdf
  • R. Böhmer, G. Hinze, G. Diezemann, B. Geil, H. Sillescu, Dynamic heterogeneity in supercooled ortho-terphenyl studied by multidimensional deuteron NMR, Europhys. Lett. 36, 55-60 (1996) - doi, pdf
  • P. Lunkenheimer, A. Pimenov, M. Dressel, Yu. G. Goncharov, R. Böhmer, A. Loidl, Fast dynamics of glass-forming glycerol studied by dielectric spectroscopy, Phys. Rev. Lett. 77, 318-321 (1996) - doi, pdf
  • B. Schiener, A. Loidl, R. V. Chamberlin, R. Böhmer, Dielectric study of supercooled triphenylphosphite and butyronitrile: Comparison with a mesoscopic model, J. Mol. Liq. 69, 243-251 (1996) - doi, pdf
  • P. Lunkenheimer, A. Pimenov, B. Schiener, R. Böhmer, A. Loidl, High-frequency dielectric spectroscopy of glycerol, Europhys. Lett. 33, 611-616 (1996) - doi, pdf
  • R. Böhmer, Non-linearity and non-exponentiality of primary relaxations, J. Non-Cryst. Solids 172-174, 628-634 (1994) - doi, pdf
  • R. Böhmer, K. L. Ngai, C. A. Angell, D. J. Plazek, Non-exponential relaxations in strong and fragile glass-formers, J. Chem. Phys. 99, 4201-4209 (1993) - doi, pdf
  • R. Böhmer, C. A. Angell, Connectivity, fragility, and non-exponential relaxation in covalently bonded glassformers, Materials Science Forum 119-121, 485-490 (1993) - doi, pdf
  • R. Böhmer, C. A. Angell, Elastic and viscoelastic properties of amorphous selenium and identification of the phase transition between ring and chain structures, Phys. Rev. B 48, 5857-5864 (1992) - doi, pdf
  • R. V. Chamberlin, R. Böhmer, E. Sanchez, C. A. Angell, Signature of ergodicity in the dynamic response of amorphous systems, Phys. Rev. - Rapid Communication B 46, 5787-5790 (1992) - doi, pdf
  • R. Böhmer, C. A. Angell, Correlations of the nonexponentiality and state dependence of mechanical relaxations with bond connectivity in Ge-As-Se supercooled liquids, Phys. Rev. - Brief Report B 45, 10091-10094 (1992) - doi, pdf
  • H.-L. Ma, X. H. Zhang, J. Lucas, H. Senapati, R. Böhmer, C. A. Angell, Covalent bond connectivity, medium range order, and physical properties in TeX and TeXAs glasses, J. Solid State Chem. 96, 181-191 (1992) - doi, pdf
  • R. Böhmer, A. Loidl, Dielectric investigations of pure and mixed fluorocarbons in their condensed phases, J. Mol. Liq. 49, 95-104 (1991) - doi, pdf
  • R. Böhmer, A. Loidl, Glass transitions in supercooled fluorocarbon mixtures, in: Basic features of the glassy state, edited by J. Colmenero and A. Alegria, (World Scientific, Singapore, 1990), p. 215-219 - pdf

Ferroelectrics, quantum paraelectrics

  • O. Kircher, R. Böhmer, Aging, rejuvenation, and memory phenomena in a lead-based relaxor ferroelectric, Eur. Phys. J. B 26, 329-338 (2002) - doi, pdf
  • T. El Goresy, O. Kircher, R. Böhmer, Nonresonant hole burning spectroscopy of the relaxor ferroelectric PLZT, Solid State Commun. 121, 485-488 (2002) - doi, pdf
  • A. Titze, J. Kusz, H. Böhm, H. J. Weber, R. Böhmer, X-ray diffraction, optical birefrigence, and 87Rb-NMR spectroscopy of the paraelectric and antiferroelectric phases of Rb3DxH1-x(SO4)2, J. Phys. - Condensed Matter 14, 895-913 (2002) - doi, pdf
  • O. Kircher, G. Diezemann, R. Böhmer, Nonresonant dielectric hole-burning on a titanium-modified lead magnesium niobate ceramic, Phys. Rev. B 64, 054103 (2001) - doi, pdf
  • K. Urayama, O. Kircher, R. Böhmer, D. Neher, Investigations of the ferroelectric to paraelectric phase transition of vinyliden-fluoride trifluoroethylene copolymer thin films by electromechanical interferometry, J. Appl. Phys. 86, 6367-6375 (1999) - doi, pdf
  • A. Titze, A. Maiazza, G. Hinze, R. Böhmer, 87Rb-NMR spectra of the hydrogen-bonded crystal Rb3D(SO4)2, Phys. Rev. B 59, 11720-11726 (1999) - doi, pdf
  • O. Kircher, B. Schiener, R. Böhmer, Long-lived dynamic heterogeneity in a relaxor ferroelectric, Phys. Rev. Lett. 81, 4520-4523 (1998) - doi, pdf
  • A. Titze, G. Hinze, R. Böhmer, The antiferroelectric phase transition in Rb3D(SO4)2 single crystals studied by 87Rb NMR, Phys. Rev. - Rapid Communication B 57, R666-669 (1998) - doi, pdf
  • J. Hemberger, M. Nicklas, R. Viana, P. Lunkenheimer, A. Loidl, R. Böhmer,Quantum paraelectric and induced ferroelectric states in SrTiO3, J. Phys. - Condensed Matter 8, 4673-4690 (1996) - doi, pdf
  • J. Hemberger, R. Böhmer, P. Lunkenheimer, R. Viana, A. Loidl, Electric field dependent dielectric constant and non-linear susceptibility in SrTiO3, Phys. Rev. B 52, 13159-13162 (1995) - doi, pdf
  • R. Viana, P. Lunkenheimer, J. Hemberger, R. Böhmer, A. Loidl, Dielectric spectroscopy of SrTiO3, Phys. Rev. - Rapid Communication B 50, 601-604 (1994) - doi, pdf
  • I. Fehst, M. Paasch, S. L. Hutton, M. Braune, R. Böhmer, A. Loidl, M. Dörffel, Th. Narz, S. Haussühl, G. J. McIntyre, Paraelectric and ferroelectric phases of betaine phosphite: Structural, thermodynamic, and dielectric investigations, Ferroelectrics 138, 1-10 (1993) - doi, pdf
  • R. Böhmer, P. Lunkenheimer, J. K. Vij, I. Svare, Correlated reorientations in NH4Al(SO4) · 12 H2O single crystals, J. Phys. - Condensed Matter 2, 5433-5438 (1990) - doi, pdf
  • M. Maglione, R. Böhmer, A. Loidl, U. T. Höchli, Polar relaxation mode in pure and iron-doped barium titanate, Phys. Rev. - Rapid Communication B 40, 11441-11444 (1989) - doi, pdf

Disordered crystals, orientational glasses

  • J. Beerwerth, B. Bojer, J. Senker, R. Böhmer, Time Scales of the Quasitetrahedral Motion in KMnO4 Observed by 17O Central-Transition NMR Spectroscopy, J. Phys. Chem. C 124, 16202-16208 (2020) - doi, pdf, Supplementary Information - pdf
  • J. Beerwerth, R. Siegel, L. Hoffmann, L. S. Plaga, M. Storek, B. Bojer, J. Senker, W. Hiller, R. Böhmer, From ultraslow to extremely fast dynamics in sodium nitrate. An 17O NMR study, Appl. Magn. Reson. B 51, 597-620 (2020) - doi, pdf, Supplementary Information - pdf
  • J. Beerwerth, M. Storek, D. Greim, J. Lueg, R. Siegel, B. Cetinkaya, W. Hiller, H. Zimmermann, J. Senker, R. Böhmer, Two-site jumps in dimethyl sulfone studied by one- and two-dimensional 17O-NMR spectroscopy, J. Magn. Reson. B 288, 84-94 (2018) - doi, pdf, Supplementary Information - pdf
  • M. Winterlich, R. Böhmer, G. Diezemann, H. Zimmermann, Rotational motion in the molecular crystals meta- and ortho-carborane studied by deuteron nuclear magnetic resonance, J. Chem. Phys. 123, 094504/1-12 (2005) - doi, pdf
  • M. Winterlich, G. Diezemann, H. Zimmermann, R. Böhmer, Microscopic origin of the nonexponential dynamics in a glassy crystal, Phys. Rev. Lett. 91, 235504/1-4 (2003) - doi, pdf
  • M. Winterlich, H. Zimmermann, R. Böhmer, Phase transition kinetics and reorientational dynamics of the plastic crystal meta-carborane studied by deuteron NMR, J. Non-Cryst. Solids 307-310, 442-448 (2002) - doi, pdf
  • M. Winterlich, G. Diezemann, G. Hinze, R. Böhmer, Hysteresis effects and mesoscopic domains: Precursors for the formation of orientational glass states, Europhys. Lett. 44, 50-56 (1998) - doi, pdf
  • M. Winterlich, A. Titze, G. Hinze, R. Böhmer, Deuteron NMR investigations of glass and phase transitions in (KI)1-x(ND4I)x mixed crystals, Phys. Rev. B 57, 14158-14163 (1998) - doi, pdf
  • G. Hinze, R. Böhmer, B. Zalar, R. Blinc, The orientational glass (KI)0.56(NH4I)0.44 studied by 127I nuclear magnetic resonance, J. Phys. - Condensed Matter 9, 117-125 (1997) - doi, pdf
  • J. Hemberger, H. Ries, A. Loidl, R. Böhmer, Reply to Comment on "Static freezing transition at a finite temperature in a quasi-one dimensional deuteron glass", Phys. Rev. Lett. 78, 2864 (1997) - doi, pdf; (Reply to Comment) ibid. 78, 2864 (1997) - doi, pdf
  • J. Hemberger, H. Ries, A. Loidl, R. Böhmer, Static freezing transition at a finite temperature in a quasi-one dimensional deuteron glass, Phys. Rev. Lett. 76, 2330-2333 (1996) - doi, pdf
  • A. Loidl, J. Hemberger, M. Winterlich, H. Ries, R. Böhmer, Linear and non-linear dielectric spectroscopy in dipolar glasses, Ferroelectrics 176, 43-59 (1996) - doi, pdf
  • M. Paasch, M. Winterlich, R. Böhmer, R. Sonntag, G. C. McIntyre, A. Loidl, The phase diagram of (NH4I)x(KI)1-x, Z. Phys. B - Condensed Matter 99, 333-338 (1996) - doi, pdf
  • H. Ries, R. Böhmer, I. Fehst, A. Loidl, Order parameters and dipole relaxation in betaine proton glasses, Z. Phys. B - Condensed Matter 99, 401-412 (1996) - doi, pdf
  • M. Winterlich, R. Böhmer, A. Loidl, The freezing transition in (NH4I)x(KI)1-x, Phys. Rev. Lett. 75, 1783-1786 (1995) - doi, pdf
  • R. Böhmer, U. Giebenhain, A. Loidl, Dielectric study of partially isotope-substituted solid and liquid hydrogen and methane, Mol. Phys. 82, 531-538 (1994) - doi, pdf
  • P. Mondal, P. Lunkenheimer, R. Böhmer, A. Loidl, F. Gugenberger, P. Adelmann, C. Meingast, Relaxation dynamics in C60 and C70 as studied by dielectric spectroscopy, J. Non-Cryst. Solids 172-174, 468-471 (1994) - doi, pdf
  • R. Böhmer, F. Fujara, G. Hinze, The glass transition in (KI)0.5(ND4I)0.5 mixed crystals as studied by deuteron spin-lattice relaxation, Solid State Commun. 86, 183-186 (1993) - doi, pdf
  • S. L. Hutton, I. Fehst, R. Böhmer, A. Loidl, Low temperature dielectric relaxation in mixed crystals of betaine phosphate and betaine phosphite, Ferroelectrics 127, 279-284 (1992) - doi, pdf
  • I. Fehst, S. L. Hutton, R. Böhmer, A. Loidl, S. Haussühl, Phase and glass transitions in (KI)1-x (NH4I)x, Ferroelectrics 127, 269-274 (1992) - doi, pdf
  • A. Loidl, K. Knorr, J. Hessinger, R. Böhmer, I. Fehst, U. T. Höchli, Relaxation dynamics in orientational glasses, J. Non-Cryst. Solids 131-133, 269-274 (1991) - doi, pdf
  • S. L. Hutton, I. Fehst, R. Böhmer, M. Braune, B. Mertz, P. Lunkenheimer, A. Loidl, Proton glass behavior and hopping conductivity in solid solutions of antiferroelectric betaine phosphate and ferroelectric betaine phosphite, Phys. Rev. Lett. 66, 1990-1993 (1991) - doi, pdf
  • A. Loidl, S. L. Hutton, I. Fehst, R. Böhmer, Relaxational dynamics at the glass transition in orientational and canonical glasses investigated by dielectric spectroscopy, J. Mol. Liq. 49, 133-139 (1991) - doi, pdf
  • R. Böhmer, A. Loidl, Relaxation dynamics in molecular alloys: II. Supercooled (C2F6)1-x (CClF3)x plastic crystals, J. Chem. Phys. 94, 7397-7401 (1991) - doi, pdf
  • B. Mertz, J. F. Berret, R. Böhmer, A. Loidl, M. Meissner, W. Knaak, Calorimetric investigations of (NaCN)1-x(KCN)x orientational glasses, Phys. Rev. B 42, 7596-7603 (1990) - doi, pdf
  • R. Böhmer, A. Loidl, Dielectric study of orientational disorder in (CO2)1-x(N2O)x mixed crystals, Phys. Rev. B 42, 1439-1443 (1990) - doi, pdf
  • I. Fehst, R. Böhmer, W. Ott, A. Loidl, S. Haussühl, C. Bostoen, (KI)1-x(NH4I)x: a dipolar glass, Phys. Rev. Lett. 64, 3139-3142 (1990) - doi, pdf
  • B. Mertz, R. Böhmer, B. Eisele, A. Loidl,ß-Relaxation and low temperature specific heat in (KBr)1-x(KCN)x, Z. Phys. B - Condensed Matter 79, 431-440 (1990) - doi, pdf
  • R. Böhmer, A. Loidl, Reorientations and phase transitions in (Kr)1-x(CH4-nDn)x, Z. Phys. B - Condensed Matter 80, 139-145 (1990) - doi, pdf
  • B. Mertz, R. Böhmer, B. Eisele, M. Braune, A. Loidl, Excess specific heat in (KBr)1-x (KCN)x, in: Basic features of the glassy state, edited by J. Colmenero and A. Alegria (World Scientific, Singapore, 1990), p. 504-508 - pdf
  • B. Mertz, R. Böhmer, A. Loidl, J. F. Berret, M. Meissner, W. Knaak, Low temperature specific heat of the orientational glass (NaCN)1-x(KCN)x, in: Phonons '89, edited by S. Hunklinger, W. Ludwig, and G. Weiss (World Scientific, Singapore, 1990), vol. 1, p. 585-587 - pdf
  • R. Böhmer, A. Loidl,The dipole moment of condensed CH2D2, Ferroelectrics 106, 193-198 (1990) - doi, pdf
  • A. Loidl, T. Schräder, K. Knorr, R. Böhmer, B. Mertz, G. J. McIntyre, T. Vogt, H. Mutka, M. Müllner, H. Jex, S. Haussühl, Elastic and quasielastic neutron scattering studies in KBr:KCN mixed crystals, Z. Phys. B -Condensed Matter 75, 81-99 (1989) - doi, pdf
  • A. Loidl, T. Schräder, R. Böhmer, K. Knorr, J. K. Kjems, R. Born, Dipolar and quadrupolar freezing in (NaCN)1-x(KCN)x, Phys. Rev. B 34, 1238-1249 (1986) - doi, pdf
  • U. G. Volkmann, R. Böhmer, A. Loidl, K. Knorr, U. T. Höchli, S. Haussühl, Dipolar and quadrupolar freezing in (KBr)1-x(KCN)x, Phys. Rev. Lett. 56, 1716-1719 (1986) - doi, pdf

Technique development

  •  M. Mikkelsen, K. L. Eliasen, N. Lindemann, K. Moch, R. Böhmer, H. A. Karimi-Varzaneh, J. Lacayo-Pineda, B. Jakobsen, K. Niss, T. Christensen, T. Hecksher, Piezo-Electric Shear Rheometry: Further developments in experimental implementation and data extraction, J. Rheol. (in press)
  • M. Adjei-Acheamfour, M. Storek, J. Beerwerth, R. Böhmer, Two-dimensional second-order quadrupolar exchange powder spectra for nuclei with half-integer spins. Calculations and an experimental example using oxygen NMR, Solid State Nucl. Magn. Reson. 71, 96-107 (2015), Supplementary Information - doi, pdf, Supplementary Information - pdf
  • M. Adjei-Acheamfour, R. Böhmer, Second-order quadrupole interaction based detection of ultra-slow motions: Tensor operator framework for central-transition spectroscopy and the dynamics in hexagonal ice as an experimental example, J. Magn. Reson. 249, 141-149 (2014) - doi, pdf
  • C. Gainaru, R. Böhmer, G. Williams, Ion-sweeping in conducting dielectric materials, Eur. Phys. J. B 75, 209-216 (2010) - doi, pdf 
  • O. Kircher, R. Böhmer, G. Hinze, Pseudo-stochastic multiple-pulse excitation in dielectric spectroscopy: Application to a relaxor ferroelectric, J. Phys. - Condensed Matter 15, S1069-S1075 (2003) - doi, pdf
  • F. Qi, T. Jörg, R. Böhmer, Stimulated-echo NMR spectroscopy of 9Be and 7Li in solids: Method and application to ion conductors, Solid State Nucl. Magn. Reson. 22, 484-500 (2002) - doi, pdf
  • O. Kircher, R. V. Chamberlin, G. Diezemann, R. Böhmer, Comment on "A comment on dielectric hole burning", J. Chem. Phys. 113, 6449-6450 (2000) - doi, pdf
  • R. Böhmer, Multiple-time correlation functions from spin-3/2 solid-state NMR spectroscopy, J. Magn. Reson. 147, 78-88 (2000) - doi, pdf
  • C. Bauer, R. Böhmer, S. Moreno-Flores, R. Richert, H. Sillescu, D. Neher, Capacitive scanning dilatometry and frequency dependent thermal expansion of polymer films, Phys. Rev. E 61, 1755-1764 (2000) - doi, pdf
  • G. Hinze, R. Böhmer, G. Diezemann, H. Sillescu, Experimental determination of four-time stimulated echoes in liquids, colloidal suspensions, and crystals, J. Magn. Reson. 131, 218-223 (1998) - doi, pdf
  • O. Kircher, G. Diezemann, R. Böhmer, G. Hinze, K. U. Schug, H. Sillescu, H. Zimmermann, Decay of single and double quantum coherences in deuterated glassy ortho-terphenyl, J. Chem. Phys. 108, 8550-8556 (1998) - doi, pdf
  • B. Schiener, R. V. Chamberlin, G. Diezemann, R. Böhmer, Dielectric hole burning spectroscopy of supercooled liquids, J. Chem. Phys. 107, 7746-7761 (1997) - doi, pdf
  • I. Chang, G. Diezemann, G. Hinze, R. Böhmer, H. Sillescu, Far-off-resonance averaging of dipolar interactions in solids, J. Magn. Reson. A 124, 165-171 (1997) - doi, pdf
  • R. Böhmer, B. Schiener, J. Hemberger, R. V. Chamberlin, Pulsed dielectric spectroscopy of supercooled liquids, Z. Phys. B - Condensed Matter 99, 91-99 (1995); 99, 624 (1996) - doi, pdf, (Erratum) ibid. 99, 624 (1996) - doi, pdf
  • R. Böhmer, Condensed (Ar)1-x(N2)x in a four rod capacitor, J. Phys. D - Applied Physics 24, 1391-1394 (1991) - doi, pdf
  • R. Böhmer, H. Senapati, C. A. Angell, Mechanical stress relaxation in inorganic glasses studied by a step-strain technique, J. Non-Cryst. Solids 131-133, 182-186 (1991) - doi, pdf
  • R. Böhmer, M. Maglione, P. Lunkenheimer, A. Loidl,Radio-frequency dielectric measurements at temperatures from 10 to 450 K, J. Appl. Phys. 65, 901-904 (1989) - doi, pdf

Miscellaneous

  • M. Vilfan, T. Apih, A. Gregorovic, B. Zalar, G. Lahajnar, S. Zumer, G. Hinze, R. Böhmer, G. Althoff, Surface-induced order and diffusion of 5CB liquid crystal confined to porous glass, Magn. Reson. Imag. 19, 433-438 (2001) - doi, pdf
  • N. Büttgen, R. Böhmer, A. Krimmel, A. Loidl, NMR studies of the heavy fermion alloy Ce(Cu1-xNix)2Ge2, Phys. Rev. B 53, 5557-5562 (1996) - doi, pdf
  • N. Büttgen, R. Böhmer, A. Loidl, Spin fluctuations in the heavy fermion compound CeCu2Ge2 probed by nuclear magnetic resonance, Solid State Commun. 93, 753-758 (1995) - doi, pdf
  • R. Böhmer, A. Loidl, Relaxation dynamics in molecular alloys: I. Annealed (C2F6)1-x(CClF3)x mixtures, J. Chem. Phys. 94, 2143-2148 (1991) - doi, pdf
  • R. Böhmer, Dipolar relaxations in solid (CF4)1-x(CClF3)x, J. Chem. Phys. 91, 3111-3118 (1989) - doi, pdf
  • M. Maglione, R. Böhmer, P. Lunkenheimer, M. Lotze, A. Loidl, High Frequency Resistivity in La2-xSrxCu1-yCoyO4 Ceramics, Physica C 153-155, 649-650 (1988) - doi, pdf 
  • R. Böhmer, A. Loidl, Dielectric properties of fluoromethanes and fluoromethane mixtures, J. Chem. Phys. 89, 4981-4986 (1988) - doi, pdf