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Lithium-salt-based deep eutectic solvents: Importance of glass formation and rotation-translation coupling for the ionic charge transport
A. Schulz, P. Lunkenheimer, A. Loidl
Lithium-salt-based deep eutectic solvents, where the only cation is Li+, are promising candidates as electrolytes in electrochemical energy-storage devices like batteries. We have…
Translational and reorientational dynamics in deep eutectic solvents
D. Reuter, P. Münzner, C. Gainaru +3
We performed rheological measurements of the typical deep eutectic solvents (DESs) glyceline, ethaline, and reline in a very broad temperature and dynamic range, extending from the…
Supercooled water confined in a metal-organic framework
Jonas K. H. Fischer, Pit Sippel, Dmytro Denysenko +3
Within the so-called "no-man's land" between about 150 and 235 K, crystallization of bulk water is inevitable. The glasslike freezing and a liquid-to-liquid transition of water, pr…
Ionic conductivity of deep eutectic solvents: The role of orientational dynamics and glassy freezing
D. Reuter, C. Binder, P. Lunkenheimer +1
We have performed a thorough examination of the reorientational relaxation dynamics and the ionic charge transport of three typical deep eutectic solvents, ethaline, glyceline and…
Importance of reorientational dynamics for the charge transport in ionic liquids
P. Sippel, S. Krohns, D. Reuter +2
Most ionic liquids contain at least one rather complex ion species exhibiting a dipolar moment. In the present work, we provide a thorough evaluation of broadband dielectric spectr…
'Boson peak' and high-frequency excitations in glassy crystals
P. Lunkenheimer, A. Loidl
The high-frequency excitations in glasses and supercooled liquids belong to the great mysteries of the physics of condensed matter. While the fast process, located at GHz-THz, can…
Calcium Rubidium Nitrate: Mode-Coupling Scaling without Factorization
M. Goldammer, C. Losert, J. Wuttke +4
The fast dynamics of viscous calcium rubidium nitrate is investigated by depolarized light scattering, neutron scattering and dielectric loss. Fast relaxation evolves as in cal…
Propylene Carbonate Reexamined: Mode-Coupling Scaling without Factorisation ?
J. Wuttke, M. Ohl, M. Goldammer +7
The dynamic susceptibility of propylene carbonate in the moderately viscous regime above is reinvestigated by incoherent neutron and depolarised light scattering, and c…