305 citations · 7.5k across the 167 of their papers we have counts for
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Comparative Ta-NQR Study of Weyl Monopnictides TaAs and TaP: Relevance of Weyl Fermion Excitations
Tetsuro Kubo, Hiroshi Yasuoka, Balázs Dóra +6
Based on our first detailed Ta nuclear quadrupole resonance (NQR) studies from 2017 on the Weyl semimetal TaP, we now extended our NQR studies to another Ta-based monopnict…
Investigation of Planckian behavior in a high-conductivity oxide: PdCrO
Elina Zhakina, Ramzy Daou, Antoine Maignan +12
The layered delafossite metal PdCrO is a natural heterostructure of highly conductive Pd layers Kondo coupled to localized spins in the adjacent Mott insulating CrO layers.…
Interplay of structure and magnetism in LuFe4Ge2 tuned by hydrostatic pressure
M. O. Ajeesh, P. Materne, R. D. dos Reis +15
LuFeGe crystallizes in the ZrFeSi-type structure, hosting chains of Fe-tetrahedra giving rise to geometric frustration and low-dimensionality. The compound orders a…
Structural 130-K Phase Transition and Emergence of a Two-Ion Kondo State in HT-CeRhGa Explored by Ga Nuclear Quadrupole Resonance
Sh. Yamamoto, T. Fujii, S. Luther +9
We have studied the microscopic magnetic properties, the nature of the 130-K phase transition, and the ground state in the recently synthesized compound CeRhGa by use of $^…
The planar triangular magnet AgCrSe: magnetic frustration, short range correlations, and field tuned anisotropic cycloidal magnetic order
M. Baenitz, M. M. Piva, S. Luther +25
Our studies evidence an anisotropic magnetic order below ~K. Susceptibility data in small fields of about 1~T reveal an antiferromagnetic (AFM) order for , whe…
Electronically driven spin-reorientation transition of the correlated polar metal CaRuO
I. Marković, M. D. Watson, O. J. Clark +11
Polar distortions in solids give rise to the well-known functionality of switchable macroscopic polarisation in ferroelectrics and, when combined with strong spin-orbit coupling, c…
Highly dispersive magnons with spin-gap like features in the frustrated ferromagnetic S=1/2 chain compound Ca2Y2Cu5O10 detected by inelastic neutron scattering
M. Matsuda, J. Ma, V. O. Garlea +10
We report inelastic neutron scattering experiments in Ca2Y2Cu5O10 and map out the full one magnon dispersion which extends up to a record value of 53 meV for frustrated ferromagnet…
Complex magnetic phase diagram of metamagnetic MnPtSi
Monika B. Gamża, Walter Schnelle, Helge Rosner +3
The magnetic, thermal and transport properties as well as electronic band structure of MnPtSi are reported. MnPtSi is a metal that undergoes a ferromagnetic transition at $T_{\math…
Direct Observation of a Uniaxial Stress-driven Lifshitz Transition in SrRuO
V. Sunko, E. Abarca Morales, I. Marković +11
Pressure represents a clean tuning parameter for traversing the complex phase diagrams of interacting electron systems and as such has proved of key importance in the study of quan…
Field-induced double dome and Bose-Einstein condensation in the crossing quantum spin chain system AgVOAsO4
Franziska Weickert, Adam A. Aczel, Matthew B. Stone +11
We present inelastic neutron scattering data on the quantum paramagnet AgVOAsO4 that establish the system is a S=1/2 alternating spin chain compound and provide a direct measuremen…
Charge, lattice and magnetism across the valence crossover in EuIrSi single crystals
Silvia Seiro, Yurii Prots, Kurt Kummer +3
We present a detailed study of the temperature evolution of the crystal structure, specific heat, magnetic susceptibility and resistivity of single crystals of the paradigmatic val…
The magnetic phase diagram of the frustrated spin chain compound linarite, PbCuSO(OH), as seen by neutron diffraction and H-NMR
L. Heinze, G. Bastien, B. Ryll +15
We report on a detailed neutron diffraction and H-NMR study on the frustrated spin-1/2 chain material linarite, PbCuSO(OH), where competing ferromagnetic nearest neighb…
Probing spin correlations using angle resolved photoemission in a coupled metallic/Mott insulator system
V. Sunko, F. Mazzola, S. Kitamura +16
A nearly free electron metal and a Mott insulating state can be thought of as opposite ends of possibilities for the motion of electrons in a solid. In the magnetic oxide metal PdC…
Mass enhancements and band shifts in strongly hole overdoped Fe-based pnictide superconductors: KFeAs and CsFeAs
S. -L. Drechsler, H. Rosner, V. Grinenko +11
The interplay of high and low-energy mass renormalizations with band-shifts reflected by the positions of van Hove singularities (VHS) in the normal state spectra of the highest ho…
Crystalline electric field of Ce in trigonal symmetry: CeIr3Ge7 as a model case
Jacintha Banda, Binod K. Rai, Helge Rosner +3
The crystalline electric field (CEF) of Ce3+ in trigonal symmetry has recently become of some relevance, for instance, in the search of frustrated magnetic systems. Fortunately, it…
Itinerant ferromagnetism of the Pd-terminated polar surface of PdCoO
F. Mazzola, V. Sunko, S. Khim +9
We study the electronic structure of the Pd-terminated surface of the non-magnetic delafossite oxide metal PdCoO. Combining angle-resolved photoemission spectroscopy and densit…
Maximal Rashba-like spin splitting via kinetic energy-driven inversion symmetry breaking
Veronika Sunko, H. Rosner, P. Kushwaha +13
Engineering and enhancing inversion symmetry breaking in solids is a major goal in condensed matter physics and materials science, as a route to advancing new physics and applicati…
Coexistence of magnetic order and valence fluctuations in the Kondo lattice system CeRhSn
Monika Barbara Gamża, Roman Gumeniuk, Ulrich Burkhardt +4
We report on the electronic band structure, structural, magnetic and thermal properties of CeRhSn. Ce -edge XAS spectra give direct evidence for an in…
Frustrated spin chain physics near the Majumdar-Ghosh point in szenicsite Cu(MoO)(OH)
Stefan Lebernegg, Oleg Janson, Ioannis Rousochatzakis +3
In this joint experimental and theoretical work magnetic properties of the Cu mineral szenicsite Cu(MoO)(OH) are investigated. This compound features isolated tr…
Probing inter- and intrachain Zhang-Rice excitons in LiCuO and determining their binding energy
Claude Monney, Valentina Bisogni, Ke-Jin Zhou +8
Cuprate materials, like those hosting high temperature superconductivity, represent a famous class of materials where the correlations between the strongly entangled charges and sp…
Evidence for a magnetic field-induced unconventional nematic state in the frustrated and anisotropic spin-chain cuprate LiCuSbO
H. -J. Grafe, S. Nishimoto, M. Iakovleva +12
Modern theories of quantum magnetism predict exotic multipolar states in weakly interacting strongly frustrated spin-1/2 Heisenberg chains with ferromagnetic nearest neighbor (NN)…
Nearly-free electrons in a 5d delafossite oxide metal
Pallavi Kushwaha, Veronika Sunko, P. J. W. Moll +11
Understanding the role of electron correlations in strong spin-orbit transition-metal oxides is key to the realisation of numerous exotic phases including spin-orbit assisted Mott…
Magnon spectrum of the helimagnetic insulator Cu2OSeO3
P. Y. Portnichenko, J. Romhanyi, Y. A. Onykiienko +11
Complex low-temperature ordered states in chiral magnets are typically governed by a competition between multiple magnetic interactions. The chiral-lattice multiferroic Cu2OSeO3 be…
Frustrated magnetic planes with intricate interaction pathways in the mineral langite Cu(OH)SOHO
Stefan Lebernegg, Alexander A. Tsirlin, Oleg Janson +2
Magnetic and crystallographic properties of the mineral langite Cu(OH)SOHO are reported. Its layered crystal structure features a peculiar spatial arrangemen…