Coarse-grained molecular dynamics simulations and single molecule fluorescence microscopy experiments have been performed in order to investigate the influence of the numerical aperture (NA) of the...
Correlation of primary and secondary relaxations in a supercooled liquid (2007)
Böhmer, Roland, Diezemann, G., Geil, B., Hinze, G., Nowaczyk, A., Winterlich, M.
The widespread assumption that primary and secondary relaxations in glass-forming materials are independent processes is scrutinized using spin-lattice relaxation weighted stimulated-echo...
Flexibility of phenylene oligomers revealed by single molecule spectroscopy (2006)
Fückel, B., Hinze, G., Diezemann, G., Nolde, F., Müllen, Klaus, Gauss, J., ...
Heterogeneous dynamics in disordered materials (2006)
Böhmer, Roland, Diezemann, G., Hinze, G., Jeffrey, K. R., Winterlich, M.
Correlation of primary relaxations and high-frequency modes in supercooled liquids (2006)
Böhmer, Roland, Nowaczyk, A., Geil, B., Hinze, G.
Using spin-lattice relaxation weighted stimulated-echo spectroscopy, we report evidence for a correlation of the primary and secondary relaxation times. The experiments are performed using deuteron...
Kahle, S., Gapinski, J., Hinze, G., Patkowski, A., Meier, G.
This version is available at the following Publisher URL: http://jcp.aip.org
Rotational Correlation Functions of Single Molecules (2004)
Hinze, G., Diezemann, G., Basché, Th.
Single molecule rotational correlation functions are analyzed for several reorientation geometries. Even for the simplest model of isotropic rotational diffusion our findings predict non-exponential...
The origin of network formation in colloid-liquid crystal composites (2004)
Vollmer,Doris, Hinze,G., Poon,W. C. K., Cleaver,J., Cates,M. E.
The origin of network formation in colloid-liquid crystal composites (2004)
Vollmer, Doris, Hinze, G., Poon, W. C. K., Cleaver, J., Cates, M. E.
Nuclear magnetic resonance and dielectric spectroscopy of a simple supercooled liquid (2003)
Böhmer, Roland, Qi, F., El Goresy, T., Döß, A., Diezemann, G., Hinze, G., ...
The small-molecule glass former methyl tetrahydrofuran (MTHF) was investigated using dielectric spectroscopy, spin-lattice relaxometry, multidimensional stimulated-echo nuclear magnetic resonance...
Pseudo-stochastic multiple-pulse excitation in dielectric spectroscopy (2003)
Böhmer, Roland, Kircher, O., Hinze, G.
The nonlinear dielectric response of a lead titanate-doped lead magnesium niobate relaxor ferroelectric was studied using pseudo-stochastic binary electrical field excitation. The polarization was...
Kircher, O., Böhmer, R., Hinze, G.
Journal of Physics: Condensed Matter, 15(2003) S.S1069-S1075
Dynamics in supercooled polyalcohols: Primary and secondary relaxation (2002)
Döß,A., Paluch,M., Sillescu,H., Hinze,G.
We have studied details of the molecular dynamics in a series of pure polyalcohols by means of dielectric spectroscopy and H- 2 nuclear magnetic resonance (NMR). From glycerol to threitol, xylitol...
Heterogeneity at the glass transition (2002)
Böhmer, Roland, Sillescu, H., Diezemann, G., Hinze, G.
We critically discuss the information that can be obtained from experiments with respect to the existence, the life time, and the length scale of dynamical heterogeneity in glass-forming liquids. The...
From strong to fragile glass formers: Secondary relaxation in polyalcohols (2002)
Döß,A., Paluch,M., Sillescu,H., Hinze,G.
We have studied details of the molecular origin of slow secondary relaxation near T-g in a series of neat polyalcohols by means of dielectric spectroscopy and H-2 NMR. From glycerol to threitol,...
Glorieux, Christ; U0005780, Nelson, KA, Hinze, G, Fayer, MD
Time-resolved transient grating experiments with various polarizations are used to separate different responses and measure their dynamics in supercooled liquid salol. A contribution to signal from...
From strong to fragile glass formers: Secondary relaxation in polyalcohols (2002)
Döß, A., Paluch, M., Sillescu, H., Hinze, G.
We have studied details of the molecular origin of slow secondary relaxation near T-g in a series of neat polyalcohols by means of dielectric spectroscopy and H-2 NMR. From glycerol to threitol,...
Dynamics in supercooled polyalcohols: Primary and secondary relaxation (2002)
Döß, A., Paluch, M., Sillescu, H., Hinze, G.
We have studied details of the molecular dynamics in a series of pure polyalcohols by means of dielectric spectroscopy and H- 2 nuclear magnetic resonance (NMR). From glycerol to threitol, xylitol...
Intramolecular motions in simple glass-forming liquids studied by deuteron NMR (2002)
Böhmer, Roland, Sillescu, H., Döß, A., Hinze, G., Jörg, T., Qi, F.
Surface-induced order and diffusion of 5CB liquid crystal confined to porous glass (2001)
Böhmer, Roland, Vilfan, M., Apih, T., Gregorovic, A., Zalar, B., Lahajnar, G., ...
Slow and fast methyl group rotations in fragile glass-formers studied by NMR (2000)
Böhmer, Roland, Qi, F., Hinze, G., Sillescu, H., Zimmermann, H.
The spin-lattice relaxation times of the selectively ring deuterated, fragile glass-formers propylene carbonate and toluene were compared with those measured for species which were specifically...
Deuteron and carbon magnetic resonance studies of liquid and glassy salol (2000)
Böhmer, Roland, Döß, A., Hinze, G., Sillescu, H., Kolshorn, H., Vogel, M., ...
The glass-former salol was studied using carbon and deuteron NMR. For the 13C measurements protonated samples were used. For the deuteron experiments salol was selectively deuterated at the phenyl...
Böhmer, Roland, Hinze, G., Jörg, T., Qi, F., Sillescu, H.
2H NMR experiments in deuterated supercooled liquids are discussed in relation with α- and β-relaxation heterogeneity with particular emphasis on the latter. The results are exemplified using data...
Böhmer, Roland, Chamberlin, R. V., Diezemann, G., Geil, B., Heuer, A., Hinze, G., ...
Several experimental methods feature the potential to distinguish between slow and fast contributions to the non-exponential, ensemble averaged primary response in glass-forming materials. Some of...
Spatial heterogeneity in glassy polystyrene detected by deuteron NMR relaxation (1999)
Böhmer, Roland, Döß, A., Diezemann, G., Hinze, G., Sillescu, H.
Using deuteron NMR, the dynamics of supercooled polystyrene-d3 was investigated near the calorimetric glass transition. At these temperatures non-exponential spin lattice relaxation is found,...
87Rb-NMR spectra of the hydrogen-bonded crystal Rb3D(SO4)2 (1999)
Böhmer, Roland, Titze, A., Maiazza, A., Hinze, G.
The paraelectric and antiferroelectric phases of Rb3D(SO4)2 and Rb3H(SO4)2 were investigated using rubidium NMR. The angle dependence of the second order quadrupole shifted central 87Rb transitions...
Decay of single and double quantum coherences in deuterated glassy ortho-terphenyl (1998)
Böhmer, Roland, Kircher, O., Diezemann, G., Hinze, G., Schug, K. U., Sillescu, H., ...
The decay of single and double quantum coherences in amorphous ortho-terphenyl is studied by means of deuteron NMR echo experiments near and below the calorimetric glass transition temperature Tg. In...
Böhmer, Roland, Diezemann, G., Sillescu, H., Hinze, G.
Using deuteron NMR techniques two-, effective three-, and various four-time correlation functions were recorded for supercooled ortho-terphenyl at 10–15 K above the calorimetric glass transition in...
Böhmer, Roland, Hinze, G., Diezemann, G., Sillescu, H.
We explore a simple model for supercooled liquids in which reorientational and translational motions are inherently coupled to the structural relaxation. Several controversial aspects of the...
The antiferroelectric phase transition in Rb3D(SO4)2 single crystals studied by 87Rb NMR (1998)
Böhmer, Roland, Titze, A., Hinze, G.
The quadrupole perturbed central transition of the magnetic 87Rb resonance was used to study Rb3D(SO4)2 single crystals. Three resonance lines were found at room temperature. This result is in accord...
Deuteron NMR investigations of glass and phase transitions in (KI)1-x(ND4I)x mixed crystals (1998)
Böhmer, Roland, Winterlich, M., Titze, A., Hinze, G.
Powdered potassium ammonium iodide mixed crystals with ammonium concentrations of 20% and 70% have been studied using deuteron NMR techniques. For the less doped sample the deuteron line starts to...
Böhmer, Roland, Hinze, G., Diezemann, G., Sillescu, H.
Four-time stimulated echo experiments have been used to monitor the temporal evolution of the reorientation rates of deuterated molecules or colloidal suspensions. We present extended phase cycles...
Dielectric relaxation in the fragile viscous liquid state of toluene (1997)
Böhmer, Roland, Döß, A., Hinze, G., Schiener, B., Hemberger, J.
Dielectric measurements were carried out on viscous toluene covering a frequency range from 0.1 Hz to 1 MHz. In order to suppress the pronounced crystallization tendency of this supercooled liquid it...
Far-off-resonance averaging of dipolar interactions in solids (1997)
Böhmer, Roland, Chang, I., Diezemann, G., Hinze, G., Sillescu, H.
The far-off-resonance performance of several line-narrowing sequences is investigated. Both theoretically and experimentally, it is found that transverse relaxation times, dominated by...
Dynamic heterogeneity in supercooled ortho-terphenyl studied by multidimensional deuteron NMR (1996)
Böhmer, Roland, Hinze, G., Diezemann, G., Geil, B., Sillescu, H.
Using deuteron NMR, we have studied molecular reorientation rates and rate exchange processes in supercooled ortho-terphenyl. We monitor the re-equilibration of differently selected subensembles...