178 citations · 529 across the 13 of their papers we have counts for
10 papers · 1 filter
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 GaVSe which emerges exclusively in samples with mesoscale polar domains and not in polar mono-domain crystals. Its onset is accompanied with a…
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…
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…
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…
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…
Polar and magnetic order in GaV4Se8
E. Ruff, A. Butykai, K. Geirhos +6
In the present work, we provide results from specific heat, magnetic susceptibility, dielectric constant, ac conductivity, and electrical polarization measurements performed on the…
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…
On the multiferroic skyrmion-host GaV4S8
S. Widmann, E. Ruff, A. Günther +6
The lacunar spinel GaV4S8 exhibits orbital ordering at 44 K and shows a complex magnetic phase diagram below 12.7 K, which includes ferromagnetic and cycloidal spin order. At low b…
Evidence for a Ru Kondo Lattice in LaCuRuO
Stefan Riegg, Sebastian Widmann, Betina Meir +7
Rare -electron derived heavy-fermion properties of the solid-solution series LaCuRuTiO were studied for by resistivity, susceptibility,…
Multiferroicity and skyrmions carrying electric polarization in GaV4S8
E. Ruff, S. Widmann, P. Lunkenheimer +4
Skyrmions are whirl like topological spin objects with high potential for future magnetic data storage. It is a fundamental question, relevant for both basic research and applicati…