187 citations · 1.7k across the 40 of their papers we have counts for
26 papers · 1 filter
Role of alkaline metal in the rare-earth triangular antiferromagnet KYbO
Franziska Grußler, Mamoun Hemmida, Sebastian Bachus +4
We report crystal structure and magnetic behavior of the triangular antiferromagnet KYbO, the A-site substituted version of the quantum spin liquid candidate NaYbO. The rep…
Frustration on a centred pyrochlore lattice in metal-organic frameworks
Rajah Nutakki, Richard Röß-Ohlenroth, Dirk Volkmer +6
Geometric frustration inhibits magnetic systems from ordering, opening a window to unconventional phases of matter. The paradigmatic frustrated lattice in three dimensions to host…
Magnetic correlations in infinite-layer nickelates: an experimental and theoretical multi-method study
R. A. Ortiz, P. Puphal, M. Klett +12
We report a comprehensive study of magnetic correlations in LaNiO, a parent compound of the recently discovered family of infinite-layer (IL) nickelate superconductors, using…
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…
Evidence for electronically-driven ferroelectricity in the family of strongly correlated dimerized BEDT-TTF molecular conductors
Elena Gati, Jonas K. H. Fischer, Peter Lunkenheimer +10
By applying measurements of the dielectric constants and relative length changes to the dimerized molecular conductor -(BEDT-TTF)Hg(SCN)Cl, we provide evidence for order…
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…
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,…
Magnetic Excitations in the Multiferroic Néel-type Skyrmion Host GaVS
Dieter Ehlers, Ioannis Stasinopoulos, Vladimir Tsurkan +6
Broadband microwave spectroscopy has been performed on single-crystalline GaVS, which exhibits a complex magnetic phase diagram including cycloidal, Néel-type skyrmion latt…
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…
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…
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…
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…
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…
Magneto-structural transitions in a frustrated magnet at high fields
V. Tsurkan, S. Zherlitsyn, V. Felea +7
Ultrasound and magnetization studies of bond-frustrated ZnCr2S4 spinel are performed in static magnetic fields up to 18 T and in pulsed fields up to 62 T. At temperatures below the…
Orbital fluctuations and orbital order below the Jahn-Teller transition in Sr3Cr2O8
Zhe Wang, M. Schmidt, A. Günther +10
We report on the magnetic and phononic excitation spectrum of Sr3Cr2O8 determined by THz and infrared (IR) spectroscopy, and electron spin resonance (ESR) measurements across the J…
Effect of pressure on the Electron Spin Resonance of a Heavy-Fermion metal
J. Sichelschmidt, H. -A. Krug von Nidda, D. V. Zakharov +8
We investigate the electron-spin resonance (ESR) phenomenon in the heavy-fermion metal YbRh2Si2 by applying hydrostatic pressure up to 3 GPa and by inducing internal pressure on th…
Evidence for orthorhombic distortions in the ordered state of ZnCrO: A magnetic resonance study
V. N. Glazkov, A. M. Farutin, V. Tsurkan +2
We present an elaborate electron-spin resonance study of the low-energy dynamics and magnetization in the ordered phase of the magnetically frustrated spinel ZnCrO. We obse…
ESR of YbRh2Si2 and 174YbRh2Si2 : local and itinerant properties
J. Wykhoff, J. Sichelschmidt, G. Lapertot +7
Below the Kondo temperature the heavy Fermion compound YbRhSi shows a well defined Electron Spin Resonance (ESR) with local Yb properties. We report a detailed a…
Spin dynamics of observed by Electron Spin Resonance
J. Sichelschmidt, J. Wykhoff, H. -A. Krug von Nidda +3
Below the Kondo temperature electron spin resonance (ESR) usually is not observable from the Kondo-ion itself because the characteristic spin fluctuation energy results…
Evidence for Jahn-Teller distortions at the antiferromagnetic transition in LaTiO
J. Hemberger, H. -A. Krug von Nidda, V. Fritsch +8
LaTiO is known as Mott-insulator which orders antiferromagnetically at K. We report on results of thermal expansion and temperature dependent x-ray diffraction…
Interplay of superexchange and orbital degeneracy in Cr-doped LaMnO3
Joachim Deisenhofer, Michalis Paraskevopoulos, Hans-Albrecht Krug von Nidda +1
We report on structural, magnetic and Electron Spin Resonance (ESR) investigations in the manganite system LaMn_{1-x}Cr_{x}O_{3} (x<=0.5). Upon Cr-doping we observe a reduction of…
Anisotropic Exchange in LiCuVO probed by ESR
H. -A. Krug von Nidda, L. E. Svistov, M. V. Eremin +6
We investigated the paramagnetic resonance in single crystals of LiCuVO with special attention to the angular variation of the absorption spectrum. To explain the large resonan…