Institute of Applied Physics

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19922026

most citedObservation of Gravitational Waves from a Binary Black Hole Merger

14.2k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing cond-mat.str-elShow all

94 papers · 1 filter

cond-mat.str-el2023★ 13 cited

Quasimolecular $J_{tet}$ =3/2 moments in the cluster Mott insulator GaTa $_{4}$ Se $_{8}$

M. Magnaterra, J. Attig, L. Peterlini +8

Quasimolecular orbitals in cluster Mott insulators provide a route to tailor exchange interactions, which may yield novel quantum phases of matter. We demonstrate the cluster Mott…

cond-mat.str-el2023★ 4 cited

Chiral excitations and the intermediate-field spin-liquid regime in the Kitaev magnet $α$ -RuCl $_{3}$

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

In the Kitaev magnet $α$ -RuCl $_{3}$ , 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-el2023★ 2 cited

Thermal decomposition of the Kitaev material $α$ -RuCl $_{3}$ and its influence on low-temperature behavior

Franziska A. Breitner, Anton Jesche, Vladimir Tsurkan +1

We explore the effect of heat treatment in argon atmosphere under various temperatures up to $50 0^{\circ}$ C on single crystals of $α$ -RuCl $_{3}$ by study of the mass loss, microprobe e…

cond-mat.str-el2022★ 10 cited

Antipolar transitions in GaNb $_{4}$ Se $_{8}$ and GaTa $_{4}$ Se $_{8}$

M. Winkler, L. Prodan, V. Tsurkan +2

We present dielectric, polarization, resistivity, specific heat, and magnetic susceptibility data on single crystals of the lacunar spinels GaNb4Se8 and GaTa4Se8, tetrahedral clust…

cond-mat.str-el2022★ 30 cited

Anisotropy driven response of skyrmion lattice in MnSc $_{2}$ S $_{4}$ to applied magnetic fields

H. D. Rosales, F. A. Gómez Albarracín, K. Guratinder +4

We theoretically and experimentally study the stability of the unconventional fractional antiferromagnetic skyrmion lattice (AF-SkL) in Mn $_{2}$ S $_{4}$ spinel under magnetic fields app…

cond-mat.str-el2022★ 5 cited

Nonequilibrium dynamics of $α$ -RuCl $_{3}$ -- 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 $α$ -RuCl $_{3}$ to investigate the nonequilibrium dynamics o…

cond-mat.str-el2021★ 18 cited

Magneto-optical detection of topological contributions to the anomalous Hall effect in a kagome ferromagnet

F. L. Schilberth, N. Unglert, L. Prodan +9

A single ferromagnetic kagome layer is predicted to realize a Chern insulator with quantized Hall conductance, which upon stacking can become a Weyl-semimetal with large anomalous…

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 $α$ -RuCl $_{3}$

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

Thermodynamics of the Kitaev honeycomb magnet $α$ -RuCl $_{3}$ 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 Fe $_{1 + x}$ Te

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

Fe $_{1 + x}$ Te is a two dimensional van der Waals antiferromagnet that becomes superconducting on anion substitution on the Te site. The parent phase of Fe $_{1 + x}$ Te 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★ 12 cited

Magnetic anisotropy and exchange paths for octa- and tetrahedrally coordinated Mn $^{2 +}$ ions in the honeycomb multiferroic Mn $_{2}$ Mo $_{3}$ O $_{8}$

D. Szaller, K. Szász, S. Bordács +11

We investigated the static and dynamic magnetic properties of the polar ferrimagnet Mn $_{2}$ Mo $_{3}$ O $_{8}$ in three magnetically ordered phases via magnetization, magnetic torque, and T…

cond-mat.str-el2020★ 202 cited

Fractional antiferromagnetic skyrmion lattice induced by anisotropic couplings

Shang Gao, H. D. Rosales, F. A. Gómez Albarracín +11

Magnetic skyrmions are topological solitons with a nanoscale winding spin texture that hold promise for spintronics applications. Until now, skyrmions have been observed in a varie…

cond-mat.str-el2020★ 11 cited

Magneto-electric properties and low-energy excitations of multiferroic FeCr2S4

A. Strinic, S. Reschke, K. V. Vasin +5

We report on the low-frequency optical excitations in the multiferroic ground state of polycrystalline FeCr2S4 in the frequency range 0.3-3~THz and their changes upon applying exte…

cond-mat.str-el2020★ 26 cited

Cooperative cluster-Jahn-Teller effect as a possible route to antiferroelectricity

K. Geirhos, J. Langmann, L. Prodan +8

We report the observation of an antipolar phase in cubic GaNb $_{4}$ S $_{8}$ driven by an unconventional microscopic mechanism, the cooperative Jahn-Teller effect of Nb $_{4}$ S $_{4}$ molecula…

cond-mat.str-el2020★ 13 cited

Element-specific field-induced spin reorientation and an unusual tetracritical point in MnCr2S4

Sh. Yamamoto, H. Suwa, T. Kihara +10

The ferrimagnetic spinel MnCr2S4 shows a variety of magnetic-field-induced phase transitions owing to bond frustration and strong spin-lattice coupling. However, the site-resolved…

cond-mat.str-el2020★ 22 cited

Stability of Néel-type skyrmion lattice against oblique magnetic fields in GaV $_{4}$ S $_{8}$ and GaV $_{4}$ Se $_{8}$

B. Gross, S. Philipp, K. Geirhos +5

The orientation of Néel-type skyrmions in the lacunar spinels GaV $_{4}$ S $_{8}$ and GaV $_{4}$ Se $_{8}$ is tied to the polar axes of their underlying crystal structure through the Dzyaloshins…

cond-mat.str-el2020★ 58 cited

Thermodynamic perspective on the field-induced behavior of $α$ -RuCl $_{3}$

S. Bachus, D. A. S. Kaib, Y. Tokiwa +7

Measurements of the magnetic Grüneisen parameter ( $Γ_{B}$ ) and specific heat on the Kitaev material candidate $α$ -RuCl $_{3}$ are used to access in-plane field- and temperature-dependen…

cond-mat.str-el2020★ 44 cited

Structure, phonons, and orbital degrees of freedom in Fe $_{2}$ Mo $_{3}$ O $_{8}$

S. Reschke, A. A. Tsirlin, N. Khan +4

We report on the structural and spectroscopic characterization of the multiferroic Fe $_{2}$ Mo $_{3}$ O $_{8}$ . Synchrotron x-ray and neutron diffraction, as well as thermal expansion measur…

cond-mat.str-el2020★ 17 cited

Magnetic and vibronic THz excitations in Zn doped Fe $_{2}$ Mo $_{3}$ O $_{8}$

B. Csizi, S. Reschke, A. Strinic +4

We report on optical excitations in the magnetically ordered phases of multiferroic Fe $_{1.86}$ Zn $_{0.14}$ Mo $_{3}$ O $_{8}$ in the frequency range from 10-130 cm $^{- 1}$ (0.3-3.9 THz). In…

cond-mat.str-el2020★ 7 cited

Nanoscale electronic inhomogeneity in FeSe $_{0.4}$ Te $_{0.6}$ revealed through unsupervised machine learning

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

We report on an apparent low-energy nanoscale electronic inhomogeneity in FeSe $_{0.4}$ Te $_{0.6}$ due to the distribution of selenium and tellurium atoms revealed through unsupervis…

cond-mat.str-el2020★ 28 cited

Macroscopic Manifestation of Domain-wall Magnetism and Magnetoelectric Effect in a Néel-type Skyrmion Host

K. Geirhos, B. Gross, B. G. Szigeti +12

We report a magnetic state in GaV $_{4}$ Se $_{8}$ which emerges exclusively in samples with mesoscale polar domains and not in polar mono-domain crystals. Its onset is accompanied with a…

cond-mat.str-el2019★ 19 cited

Lattice dynamics and electronic excitations in a large family of lacunar spinels with a breathing pyrochlore lattice structure

S. Reschke, F. Meggle, F. Mayr +6

Reproducing the electronic structure of AM $_{4}$ X $_{8}$ lacunar spinels with a breathing pyrochlore lattice is a great theoretical challenge due to the interplay of various factors. Th…

cond-mat.str-el2019★ 22 cited

Spin-lattice coupling in a ferrimagnetic spinel: The exotic $H$ - $T$ phase diagram of MnCr $_{2}$ S $_{4}$ up to 110 T

A. Miyata, H. Suwa, T. Nomura +10

In antiferromagnets, the interplay of spin frustration and spin-lattice coupling has been extensively studied as the source of complex spin patterns and exotic magnetism. Here, we…

Quasimolecular Jtet​=3/2 moments in the cluster Mott insulator GaTa4​Se8​

Chiral excitations and the intermediate-field spin-liquid regime in the Kitaev magnet α-RuCl3​

Thermal decomposition of the Kitaev material α-RuCl3​ and its influence on low-temperature behavior

Antipolar transitions in GaNb4​Se8​ and GaTa4​Se8​

Anisotropy driven response of skyrmion lattice in MnSc2​S4​ to applied magnetic fields

Nonequilibrium dynamics of α-RuCl3​ -- a time-resolved magneto-optical spectroscopy study