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19982023
most citedMaterials with Colossal Dielectric Constant: Do They Exist?

921 citations · 10.1k across the 159 of their papers we have counts for

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cond-mat.str-el2023★ 4 cited

Chiral excitations and the intermediate-field spin-liquid regime in the Kitaev magnet -RuCl

Anuja Sahasrabudhe, Mikhail A. Prosnikov, Thomas C. Koethe +6

In the Kitaev magnet -RuCl, the existence of a magnetic-field-induced quantum spin liquid phase and of anyonic excitations are discussed controversially. We address this elu…

cond-mat.str-el2022★ 5 cited

Nonequilibrium dynamics of -RuCl -- a time-resolved magneto-optical spectroscopy study

Julian Wagner, Anuja Sahasrabudhe, Rolf Versteeg +5

We present time-resolved magneto-optical spectroscopy on the magnetic Mott-Hubbard-insulating Kitaev spin liquid candidate -RuCl to investigate the nonequilibrium dynamics o…

cond-mat.str-el2022

Magneto-optical study of metamagnetic transitions in the antiferromagnetic phase of -RuCl

Julian Wagner, Anuja Sahasrabudhe, Rolf Versteeg +7

-RuCl is a promising candidate material to realize the so far elusive quantum spin liquid ground state. However, at low temperatures, the coexistence of different exchange i…

cond-mat.str-el2021★ 4 cited

On the complexity of spinels: Magnetic, electronic, and polar ground states

V. Tsurkan, H. -A. Krug von Nidda, J. Deisenhofer +2

This review summarizes more than 100 years of research on spinel compounds, mainly focusing on the progress in understanding their magnetic, electronic, and polar properties during…

cond-mat.str-el2021★ 38 cited

Angle-dependent thermodynamics of -RuCl

S. Bachus, D. A. S. Kaib, A. Jesche +6

Thermodynamics of the Kitaev honeycomb magnet -RuCl is studied for different directions of in-plane magnetic field using measurements of the magnetic Grüneisen parameter $Γ_…

cond-mat.str-el2021★ 8 cited

Magnetic surface reconstruction in the van-der-Waals antiferromagnet FeTe

C. Trainer, M. Songvilay, N. Qureshi +9

FeTe is a two dimensional van der Waals antiferromagnet that becomes superconducting on anion substitution on the Te site. The parent phase of FeTe is sensitive to…

cond-mat.str-el2020★ 14 cited

Magnetic-field dependence of low-energy magnons, anisotropic heat conduction, and spontaneous relaxation of magnetic domains in the cubic helimagnet ZnCr2Se4

D. S. Inosov, Y. O. Onykiienko, Y. V. Tymoshenko +12

Anisotropic low-temperature properties of the cubic spinel helimagnet ZnCr2Se4 in the single-domain spin-spiral state are investigated by a combination of neutron scattering, therm…

cond-mat.str-el2020★ 2 cited

Nonequilibrium quasistationary spin disordered state in the Kitaev-Heisenberg magnet -RuCl

R. B. Versteeg, A. Chiocchetta, F. Sekiguchi +9

Excitation by light pulses enables the manipulation of phases of quantum condensed matter. Here, we photoexcite high-energy holon-doublon pairs as a way to alter the magnetic free…

cond-mat.str-el2020★ 7 cited

Nanoscale electronic inhomogeneity in FeSeTe revealed through unsupervised machine learning

P. Wahl, U. R. Singh, V. Tsurkan +1

We report on an apparent low-energy nanoscale electronic inhomogeneity in FeSeTe due to the distribution of selenium and tellurium atoms revealed through unsupervis…

cond-mat.str-el2020★ 32 cited

Quantum Paraelectricity in the Kitaev Quantum-Spin-Liquid Candidates HLiIrO and DLiIrO

K. Geirhos, P. Lunkenheimer, M. Blankenhorn +7

H3LiIr2O6 is the first honeycomb-lattice system without any signs of long-range magnetic order down to the lowest temperatures, raising the hope for the realization of an ideal Kit…

cond-mat.str-el2019★ 22 cited

Multiple Spin-Orbit Excitons and the Electronic Structure of -RuCl

P. Warzanowski, N. Borgwardt, K. Hopfer +7

The honeycomb compound -RuCl is widely discussed as a proximate Kitaev spin-liquid material. This scenario builds on spin-orbit entangled moments arising for a $t_…

cond-mat.str-el2019★ 15 cited

Enhancement of magnetodielectric coupling in 6H-perovskites Ba3RRu2O9 for heavier rare earth cations (R=Ho,Tb)

Tathamay Basu, Vincent Caignaert, Somnath Ghara +5

The role of rare-earth (R) ions on the magnetodielectric (MD) coupling is always intriguing and markedly different for different systems. Although many reports are available concer…

cond-mat.str-el2019★ 73 cited

High-Field Quantum Disordered State in -RuCl3: Spin Flips, Bound States, and a Multi-Particle Continuum

A. Sahasrabudhe, D. A. S. Kaib, S. Reschke +15

Layered -RuCl3 has been discussed as a proximate Kitaev spin liquid compound. Raman and THz spectroscopy of magnetic excitations confirm that the low-temperature antiferromagnet…

cond-mat.str-el2019★ 4 cited

Spin relaxation in CsCuClBr

R. Hassan Abadi, R. M. Eremina, M. Hemmida +5

The quantum-spin S = 1=2 chain system CsCuCl is of high interest due to competing anti-ferromagnetic intra-chain J and inter-chain exchange J' interactions and represents a…

cond-mat.str-el2019★ 50 cited

Quantum Critical Dynamics of a Heisenberg-Ising Chain in a Longitudinal Field: Many-Body Strings versus Fractional Excitations

Zhe Wang, M. Schmidt, A. Loidl +11

We report a high-resolution terahertz spectroscopic study of quantum spin dynamics in the antiferromagnetic Heisenberg-Ising spin-chain compound BaCoVO as a function of…

cond-mat.str-el2018★ 29 cited

Chirality-driven ferroelectricity in LiCuVO

Alexander Ruff, Peter Lunkenheimer, Hans-Albrecht Krug von Nidda +5

Chirality or the handedness of objects is of prime importance in life science, biology, chemistry and physics. It is also a major symmetry ingredient in frustrated magnets revealin…

cond-mat.str-el2018★ 17 cited

Multiferroic spin-superfluid and spin-supersolid phases in MnCr2S4

Alexander Ruff, Zhaosheng Wang, Sergei Zherlitsyn +6

Spin supersolids and spin superfluids reveal complex canted spin structures with independent order of longitudinal and transverse spin components. This work addresses the question…

cond-mat.str-el2018★ 21 cited

High-resolution neutron depolarization microscopy of the ferromagnetic transitions in NiAl and HgCrSe under pressure

Pau Jorba, Michael Schulz, Daniel S. Hussey +6

We performed neutron imaging of ferromagnetic transitions in NiAl and HgCrSe crystals. These neutron depolarization measurements revealed bulk magnetic inhomogeneities…

cond-mat.str-el2018★ 70 cited

Quantum Criticality of an Ising-like Spin-1/2 Antiferromagnetic Chain in Transverse Magnetic Field

Zhe Wang, T. Lorenz, D. I. Gorbunov +11

We report on magnetization, sound velocity, and magnetocaloric-effect measurements of the Ising-like spin-1/2 antiferromagnetic chain system BaCoVO as a function of tem…

cond-mat.str-el2018★ 5 cited

Relaxation dynamics in the one-dimensional organic charge-transfer salt δ-(EDT-TTF-CONMe)Br

J. K. H. Fischer, P. Lunkenheimer, C. Leva +6

A detailed investigation of the charge-ordered charge-transfer salt δ-(EDT-TTF-CONMe)Br by thermal-expansion measurements and dielectric spectroscopy reveals three dyna…

cond-mat.str-el2018★ 14 cited

Sub-gap optical response across the structural phase transition in van der Waals layered α-RuCl

S. Reschke, F. Mayr, S. Widmann +7

We report magnetic, thermodynamic, thermal expansion, and on detailed optical experiments on the layered compound -RuCl focusing on the THz and sub-gap optical response acro…

cond-mat.str-el2017★ 15 cited

Weak ferromagnetism and glassy state in kappa-(BEDT-TTF)2Hg(SCN)2Br

M. Hemmida, H. -A. Krug von Nidda, B. Miksch +8

Since the first observation of weak ferromagnetism in the charge-transfer salt kappa-(BEDT-TTF)2-Cu[N(CN)2]Cl [U. Welp et al., Phys. Rev. Lett. 69, 840 (1992)], no further evidence…

cond-mat.str-el2017★ 21 cited

Complex nature of magnetic field-induced ferroelectricity in GdCrTiO5

T. Basu, D. T. Adroja, F. Kolb +8

This work shows an unconventional route for spin-driven ferroelectricity originating from a metastable magnetic field-induced canting of chromium sublattice in the presence of gado…

cond-mat.str-el2017★ 187 cited

Magnetic Excitations and Continuum of a Field-Induced Quantum Spin Liquid in -RuCl

Zhe Wang, S. Reschke, D. Hüvonen +6

We report on terahertz spectroscopy of quantum spin dynamics in -RuCl, a system proximate to the Kitaev honeycomb model, as a function of temperature and magnetic field. An…