358 citations · 4.3k across the 94 of their papers we have counts for
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Magnetism of CuCrX (X= S and Se) spinels studied with muon spin rotation and relaxation (SR)
Elaheh Sadrollahi, F. Jochen Litterst, Lilian Prodan +2
We present muon spin rotation and relaxation (SR) results for chalcogenide spinels CuCrX with X= S and Se. Both compounds are known as ferromagnetic metals with high Cur…
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…
Thermodynamic perspective on the field-induced behavior of -RuCl
S. Bachus, D. A. S. Kaib, Y. Tokiwa +7
Measurements of the magnetic Grüneisen parameter () and specific heat on the Kitaev material candidate -RuCl are used to access in-plane field- and temperature-dependen…
Spin-lattice coupling in a ferrimagnetic spinel: The exotic - phase diagram of MnCrS 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…
THz excitations in α-RuCl3: Majorana fermions, rigid-plane shear and compression modes
S. Reschke, V. Tsurkan, S. -H. Do +4
Spin liquids may host emergent quasiparticles, collective excitations of the spin degrees of freedom with characteristic features of Majorana fermions, which experimentally are det…
Thermodynamic evidence of fractionalized excitations in α-RuCl3
S. Widmann, V. Tsurkan, D. A. Prishchenko +3
Fractionalized excitations are of considerable interest in recent condensed-matter physics. Fractionalization of the spin degrees of freedom into localized and itinerant Majorana f…
Manifolds of magnetic ordered states and excitations in the almost Heisenberg pyrochlore antiferromagnet MgCr2O4
S. Gao, K. Guratinder, V. Tsurkan +18
In spinels ACr2O4 (A=Mg, Zn) realisation of the classical pyrochlore Heisenberg antiferromagnet model is complicated by a strong spin-lattice coupling: the extensive degeneracy of…
Pseudo-Goldstone magnons in the frustrated S=3/2 Heisenberg helimagnet ZnCr2Se4 with a pyrochlore magnetic sublattice
Y. V. Tymoshenko, Y. A. Onykiienko, T. Mueller +13
Low-energy spin excitations in any long-range ordered magnetic system in the absence of magnetocrystalline anisotropy are gapless Goldstone modes emanating from the ordering wave v…
Optical conductivity in multiferroic GaVS and GeVS: Phonons and electronic transitions
S. Reschke, F. Mayr, Zhe Wang +7
We report on optical spectroscopy on the lacunar spinels GaVS and GeVS in the spectral range from 100 to 23000 cm and for temperatures from 5 to 300 K. These…
Structural, magnetic, electric, dielectric, and thermodynamic properties of multiferroic GeV4S8
S. Widmann, A. Günther, E. Ruff +4
The lacunar spinel GeV4S8 undergoes orbital and ferroelectric ordering at the Jahn-Teller transition around 30 K and exhibits antiferromagnetic order below about 14 K. In addition…
Magnetic field dependence of excitations near spin-orbital quantum criticality
A. Biffin, Ch. Rüegg, J. Embs +4
The spinel FeScS has been proposed to realize a near-critical spin-orbital singlet (SOS) state, where entangled spin and orbital moments fluctuate in a global singlet state…
Crystal structure, incommensurate magnetic order and ferroelectricity in mncuwo (x=0-0.19)
C. M. N. Kumar, Y. Xiao, P. Lunkenheimer +2
We have carried out a systematic study on the effect of Cu doping on nuclear, magnetic, and dielectric properties in MnCuWO for by a synerg…
Magnetoelectric effects in the skyrmion host material Cu2OSeO3
E. Ruff, P. Lunkenheimer, A. Loidl +2
Insulating helimagnetic Cu2OSeO3 shows sizeable magnetoelectric effects in its skyrmion phase. Using magnetization measurements, magneto-current analysis and dielectric spectroscop…
Singlet-triplet excitations and long range entanglement in the spin-orbital liquid candidate FeSc2S4
N. J. Laurita, J. Deisenhofer, LiDong Pan +6
Theoretical models of the spin-orbital liquid (SOL) FeScS have predicted it to be in close proximity to a quantum critical point separating a spin-orbital liquid phase from…
ESR evidence for partial melting of the orbital order in LaMnO below the Jahn-Teller transition
S. Schaile, H. -A. Krug von Nidda, J. Deisenhofer +3
We report on high-temperature electron spin resonance studies of a detwinned LaMnO single crystal across the Jahn-Teller transition at = 750 K. The anisotropy of t…
High-field spectroscopy of singlet-triplet transitions in the spin-dimer systems Sr3Cr2O8 and Ba3Cr2O8
Zhe Wang, D. Kamenskyi, O. Cépas +14
Magnetic excitations in the isostructural spin-dimer systems Sr3Cr2O8 and Ba3Cr2O8 are probed by means of high-field electron spin resonance at sub-terahertz frequencies. Three typ…
Spin correlations and Dzyaloshinskii-Moriya interaction in CsCuCl
M. A. Fayzullin, R. M. Eremina, M. V. Eremin +7
We report on electron spin resonance (ESR) studies of the spin relaxation in CsCuCl. The main source of the ESR linewidth at temperatures K is attributed to th…
Low-energy magnetic excitations in the quasi-one-dimensional spin-1 chain compound SrNi2V2O8
Zhe Wang, M. Schmidt, A. K. Bera +4
Multi-frequency electron spin resonance (ESR) transmission spectra have been measured as function of temperature and magnetic field on single crystals of the quasi-one-dimensional…
Electron spin resonance and exchange paths in the orthorhombic dimer system Sr2VO4
J. Deisenhofer, S. Schaile, J. Teyssier +9
We report on magnetization and electron spin resonance (ESR) measurements of SrVO with orthorhombic symmetry. In this dimer system the ions are in tetrahedral en…
Exciton-magnon transitions in the frustrated chromium antiferromagnets CuCrO2, alpha-CaCr2O4, CdCr2O4, and ZnCr2O4
M. Schmidt, Zhe Wang, Ch. Kant +7
We report on optical transmission spectroscopy of the Cr-based frustrated triangular antiferromagnets CuCrO2 and alpha-CaCr2O4, and the spinels CdCr2O4 and ZnCr2O4 in the near-infr…
Korringa-like relaxation in the high-temperature phase of A-site ordered YBaMn2O6
S. Schaile, H. -A. Krug von Nidda, J. Deisenhofer +3
We report on high-temperature electron spin resonance studies of A-site ordered YBaMn2O6 and disordered Y0.5Ba0.5MnO3. In the disordered sample we find that the linewidth is govern…
Magnetic-field induced multiferroicity in a quantum critical frustrated spin liquid
F. Schrettle, S. Krohns, P. Lunkenheimer +4
Dielectric spectroscopy is used to check for the onset of polar order in the quasi one-dimensional quantum spin system Sul-Cu2Cl4 when passing from the spin-liquid state into the o…
Magnetic ground state and 2D behavior in pseudo-Kagome layered system Cu3Bi(SeO3)2O2Br
M. Pregelj, O. Zaharko, A. Günther +3
Anisotropic magnetic properties of a layered kagome-like system Cu3Bi(SeO3)2O2Br have been studied by bulk magnetization and magnetic susceptibility measurements as well as powder…
Magnetization and specific heat of the dimer system CuTe2O5
R. M. Eremina, T. P. Gavrilova, A. Günther +7
We report on magnetization and specific heat measurements on single-crystalline CuTe2O5. The experimental data are directly compared to theoretical results for two different spin s…