Publications (109)
Relaxation dynamics of a protein solution investigated by dielectric spectroscopy
M. Wolf, R. Gulich, P. Lunkenheimer +1
Dielectric behavior of Copper Tantalum Oxide
B. Renner, P. Lunkenheimer, M. Schetter +3
Optical Spectroscopy in CoO: Phonons, Electric, and Magnetic Excitations
Ch. Kant, T. Rudolf, F. Schrettle +5
Colossal dielectric constants in transition-metal oxides
P. Lunkenheimer, S. Krohns, S. Riegg +3
Correlations of structural, magnetic, and dielectric properties of undoped and doped CaCu3Ti4O12
S. Krohns, J. Lu, P. Lunkenheimer +7
Fast dynamics in glass-forming salol investigated by dielectric spectroscopy
P. Lunkenheimer, R. Wehn, M. Köhler +1
Dielectric spectroscopy on aging glasses
P. Lunkenheimer, R. Wehn, A. Loidl
Scaling of broadband dielectric data of glass-forming liquids and plastic crystals
U. Schneider, R. Brand, P. Lunkenheimer +1
Optical conductivity in multiferroic GaV$_4$S$_8$ and GeV$_4$S$_8$: Phonons and electronic transitions
S. Reschke, F. Mayr, Zhe Wang +7
Broadband Dielectric Spectroscopy on Glass-Forming Propylene Carbonate
U. Schneider, P. Lunkenheimer, R. Brand +1
Glassy Dynamics Under Superhigh Pressure
A. A. Pronin, M. V. Kondrin, A. G. Lyapin +4
Orbital-Order Driven Ferroelectricity and Dipolar Relaxation Dynamics in Multiferroic GaMo$_4$S$_8$
K. Geirhos, S. Krohns, H. Nakamura +4
Wide range dielectric spectroscopy on glass-forming materials: an experimental overview
U. Schneider, P. Lunkenheimer, A. Pimenov +2
Glassy dynamics in mono-, di-, and tri-propylene glycol: From the alpha- to the fast beta-relaxation
M. Köhler, P. Lunkenheimer, Y. Goncharov +2
Supercooled-liquid and plastic-crystalline state in succinonitrile-glutaronitrile mixtures
M. Götz, Th. Bauer, P. Lunkenheimer +1
The excess wing in the dielectric loss of glass-forming ethanol: A relaxation process
R. Brand, P. Lunkenheimer, U. Schneider +1
Broadband dielectric response of CaCu3Ti4O12: From dc to the electronic transition regime
Ch. Kant, T. Rudolf, F. Mayr +4
On the room temperature multiferroic BiFeO3: Magnetic, dielectric and thermal properties
Jun Lu, A. Günther, F. Schrettle +7
Multiferroicity and skyrmions carrying electric polarization in GaV4S8
E. Ruff, S. Widmann, P. Lunkenheimer +4
Conductivity enhancement in plastic-crystalline solid-state electrolytes
K. Geirhos, P. Lunkenheimer, M. Michl +2
Multiferroic behavior in CdCr2X4 (X = S, Se)
J. Hemberger, P. Lunkenheimer, R. Fichtl +3
Propylene Carbonate Reexamined: Mode-Coupling $β$ Scaling without Factorisation ?
J. Wuttke, M. Ohl, M. Goldammer +7
Variation of ionic conductivity in a plastic-crystalline mixture
D. Reuter, C. GeiÃ, P. Lunkenheimer +1
Low temperature dielectric relaxation study of aqueous solutions of diethylsulfoxide
L. Gabrielyan, S. Markarian, P. Lunkenheimer +1
Calcium Rubidium Nitrate: Mode-Coupling $β$ Scaling without Factorization
M. Goldammer, C. Losert, J. Wuttke +4
Nonlinear dielectric response of Debye, alpha, and beta relaxation in 1-propanol
Th. Bauer, M. Michl, P. Lunkenheimer +1
Relaxation dynamics and ionic conductivity in a fragile plastic crystal
Th. Bauer, M. Köhler, P. Lunkenheimer +2
On the multiferroic skyrmion-host GaV4S8
S. Widmann, E. Ruff, A. Günther +6
Glassy Aging Dynamics
P. Lunkenheimer, R. Wehn, U. Schneider +1
Fifth-order susceptibility unveils growth of thermodynamic amorphous order in glass-formers
S. Albert, Th. Bauer, M. Michl +7
Dielectric Spectroscopy on Organic Charge-Transfer Salts
P. Lunkenheimer, A. Loidl
Cooperativity and Heterogeneity in Plastic Crystals Studied by Nonlinear Dielectric Spectroscopy
M. Michl, Th. Bauer, P. Lunkenheimer +1
Broadband dielectric spectroscopy and aging of glass formers
R. Wehn, P. Lunkenheimer, A. Loidl
Magnetoelectric effects in the skyrmion host material Cu2OSeO3
E. Ruff, P. Lunkenheimer, A. Loidl +2
'Boson peak' and high-frequency excitations in glassy crystals
P. Lunkenheimer, A. Loidl
Switching the Ferroelectric Polarization by External Magnetic Fields in the Spin = 1/2 Chain Cuprate LiCuVO4
F. Schrettle, S. Krohns, P. Lunkenheimer +5
Apparent giant dielectric constants, dielectric relaxation, and ac-conductivity of hexagonal perovskites La1.2Sr2.7BO7.33 (B = Ru, Ir)
P. Lunkenheimer, T. Götzfried, R. Fichtl +5
Polar Dynamics at the Jahn-Teller Transition in Ferroelectric GaV4S8
Zhe Wang, E. Ruff, M. Schmidt +4
Cooperativity and the freezing of molecular motion at the glass transition
Th. Bauer, P. Lunkenheimer, A. Loidl
Wüstite: Electric, thermodynamic and optical properties of FeO
F. Schrettle, Ch. Kant, P. Lunkenheimer +3
The Excess Wing in the Dielectric Loss of Glass-Formers: A Johari-Goldstein beta-Relaxation?
U. Schneider, R. Brand, P. Lunkenheimer +1
Multiferroicity in an organic charge-transfer salt: Electric-dipole-driven magnetism
P. Lunkenheimer, J. Müller, S. Krohns +8
Glassy freezing of orbital dynamics in FeCr2S4 and FeSc2S4
R. Fichtl, P. Lunkenheimer, J. Hemberger +2
High-frequency dynamics of type-B glass formers investigated by broadband dielectric spectroscopy
S. Kastner, M. Köhler, Y. Goncharov +2
Determination of the parameters of semiconducting CdF2:In with Schottky barriers from radio-frequency measurements
A. I. Ritus, A. V. Pronin, A. A. Volkov +4
Dielectric properties and dynamical conductivity of LaTiO3: From dc to optical frequencies
P. Lunkenheimer, T. Rudolf, J. Hemberger +4
Broadband dielectric response of glycerol and propylene carbonate: a comparison
P. Lunkenheimer, U. Schneider, R. Brand +1
Electronic and optical properties of LiBC
A. V. Pronin, K. Pucher, P. Lunkenheimer +2
Johari-Goldstein relaxation far below Tg: Experimental evidence for the Gardner transition in structural glasses?
K. Geirhos, P. Lunkenheimer, A. Loidl
Broadband Dielectric Spectroscopy on Human Blood
M. Wolf, R. Gulich, P. Lunkenheimer +1
Slowing down of the relaxational dynamics at the ferroelectric phase transition in one-dimensional (TMTTF)2AsF6
D. Staresinic, K. Biljakovic, P. Lunkenheimer +1
Polar and magnetic order in GaV4Se8
E. Ruff, A. Butykai, K. Geirhos +6
Investigation of nonlinear effects in glassy matter using dielectric methods
P. Lunkenheimer, M. Michl, Th. Bauer +1
Importance of glassy fragility for energy applications of ionic liquids
P. Sippel, P. Lunkenheimer, S. Krohns +2
Electrode Polarization Effects in Broadband Dielectric Spectroscopy
S. Emmert, M. Wolf, R. Gulich +4
Materials with Colossal Dielectric Constant: Do They Exist?
P. Lunkenheimer, V. Bobnar, A. V. Pronin +3
Evidence for Jahn-Teller distortions at the antiferromagnetic transition in LaTiO$_3$
J. Hemberger, H. -A. Krug von Nidda, V. Fritsch +8
Dielectric and conductivity relaxation in mixtures of glycerol with LiCl
M. Köhler, P. Lunkenheimer, A. Loidl
Colossal dielectric constants: A common phenomenon in CaCu3Ti4O12 related materials
J. Sebald, S. Krohns, P. Lunkenheimer +4
Relaxor ferroelectricity and the freezing of short-range polar order in magnetite
F. Schrettle, S. Krohns, P. Lunkenheimer +2
Ions in glass forming glycerol: Close correlation of alpha and fast beta relaxation
M. Köhler, P. Lunkenheimer, Y. Goncharov +1
Nonlinear dielectric response at the excess wing of glass-forming liquids
Th. Bauer, P. Lunkenheimer, S. Kastner +1
Broadband dielectric spectroscopy on benzophenone: alpha relaxation, beta relaxation, and mode coupling theory
P. Lunkenheimer, L. C. Pardo, M. Köhler +1
Impact of water on the charge transport of a glass-forming ionic liquid
P. Sippel, V. Dietrich, D. Reuter +4
Dielectric spectroscopy in benzophenone: The beta relaxation and its relation to the mode-coupling Cole-Cole peak
L. C. Pardo, P. Lunkenheimer, A. Loidl
Colossal dielectric constants in single-crystalline and ceramic CaCu3Ti4O12 investigated by broadband dielectric spectroscopy
S. Krohns, P. Lunkenheimer, S. G. Ebbinghaus +1
MFU-type metal-organic frameworks as host materials of confined supercooled liquids
J. K. H. Fischer, P. Sippel, D. Denysenko +3
Colossal magnetocapacitance and colossal magnetoresistance in HgCr2S4
S. Weber, P. Lunkenheimer, R. Fichtl +3
Conductivity contrast and tunneling charge transport in the vortex-like ferroelectric domain patterns of multiferroic hexagonal YMnO3
E. Ruff, S. Krohns, M. Lilienblum +4
Charge-Density-Wave like Behavior in the One-Dimensional Charge-Ordered Semiconductor (NbSe4)3I
D. Staresinic, P. Lunkenheimer, J. Hemberger +2
Relaxation dynamics and colossal magnetocapacitive effect in CdCr2S4
P. Lunkenheimer, R. Fichtl, J. Hemberger +2
Colossal dielectric constant up to GHz at room temperature
S. Krohns, P. Lunkenheimer, Ch. Kant +5
Relaxation dynamics in the one-dimensional organic charge-transfer salt δ-(EDT-TTF-CONMe$_2$)$_2$Br
J. K. H. Fischer, P. Lunkenheimer, C. Leva +6
The response of disordered matter to electromagnetic fields
P. Lunkenheimer, A. Loidl
Importance of reorientational dynamics for the charge transport in ionic liquids
P. Sippel, S. Krohns, D. Reuter +2
Multiferroicity in the Mott Insulating Charge-Transfer Salt κ-(BEDT-TTF)$_2$Cu[N(CN)$_2$]Cl
M. Lang, P. Lunkenheimer, J. Müller +6
Relaxor ferroelectricity and colossal magnetocapacitive coupling in ferromagnetic CdCr2S4
J. Hemberger, P. Lunkenheimer, R. Fichtl +3
Non-intrinsic origin of the Colossal Dielectric Constants in CaCu3Ti4O12
P. Lunkenheimer, R. Fichtl, S. G. Ebbinghaus +1
Linear and non-linear dielectric spectroscopy on ammonium doped Rochelle salt
U. Schneider, P. Lunkenheimer, J. Hemberger +1
Unifying different interpretations of the nonlinear response in glass-forming liquids
P. Gadige, S. Albert, M. Mich +8
Magnetic-field induced multiferroicity in a quantum critical frustrated spin liquid
F. Schrettle, S. Krohns, P. Lunkenheimer +4
Excitations and relaxation dynamics in multiferroic GeV4S8 studied by THz and dielectric spectroscopy
S. Reschke, Zhe Wang, F. Mayr +4
Electromagnetic-radiation absorption of water
P. Lunkenheimer, S. Emmert, R. Gulich +4
Crystal structure, incommensurate magnetic order and ferroelectricity in mn$_{1-x}$cu$_{x}$wo${_4}$ (x=0-0.19)
C. M. N. Kumar, Y. Xiao, P. Lunkenheimer +2
Temperature development of glassy alpha-relaxation dynamics determined by broadband dielectric spectroscopy
P. Lunkenheimer, S. Kastner, M. K öhler +1
Glycerol confined in zeolitic imidazolate frameworks: The temperature-dependent cooperativity length scale of glassy freezing
M. Uhl, J. K. H. Fischer, P. Sippel +4
Spin-orbiton and quantum criticality in FeSc2S4
L. Mittelstädt, M. Schmidt, Zhe Wang +7
Structural, magnetic, electric, dielectric, and thermodynamic properties of multiferroic GeV4S8
S. Widmann, A. Günther, E. Ruff +4
Excess wing in glass-forming glycerol and LiCl-glycerol mixtures detected by neutron scattering
S. Gupta, N. Arend, P. Lunkenheimer +5
The multiferroic phases of (Eu:Y)MnO3
J. Hemberger, F. Schrettle, A. Pimenov +5
Spin dynamics in the low-dimensional magnet TiOCl
D. V. Zakharov, J. Deisenhofer, H. -A. Krug von Nidda +9
Effect of adding nanometre-sized heterogeneities on the structural dynamics and the excess wing of a molecular glass former
S. Gupta, J. K. H. Fischer, P. Lunkenheimer +4
Hydrogen-bond equilibria and life times in a supercooled monohydroxy alcohol
C. Gainaru, S. Kastner, F. Mayr +6
Relaxations as key to the magnetocapacitive effects in the perovskite manganites
F. Schrettle, P. Lunkenheimer, J. Hemberger +4
Fast Dynamics of Glass-forming Liquids investigated by Dielectric Spectroscopy: a Comparison
U. Schneider, P. Lunkenheimer, R. Brand +1
Absence of polar order in LuFe2O4
A. Ruff, S. Krohns, F. Schrettle +3
Dielectric signature of charge order in lanthanum nickelates
P. Sippel, S. Krohns, E. Thoms +7
Ferroelectric properties of charge-ordered alpha-(BEDT-TTF)2I3
P. Lunkenheimer, B. Hartmann, M. Lang +4
REPLY to Comments on "Giant Dielectric Response in the One-Dimensional Charge-Ordered Semiconductor (NbSe4)3I" and "Colossal Magnetocapacitance and Colossal Magnetoresistance in HgCr2S4" (cond-mat/0607500)
P. Lunkenheimer, J. Hemberger, V. Tsurkan +3
Debye relaxation and 250 K anomaly in glass forming monohydroxy alcohols
S. Bauer, K. Burlafinger, C. Gainaru +4