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Signatures of Z Vestigial Potts-nematic order in van der Waals antiferromagnets
Zhuoliang Ni, Daniil S. Antonenko, W. Joe Meese +8
Layered van der Waals magnets have attracted much recent attention as a promising and versatile platform for exploring intrinsic two-dimensional magnetism. Within this broader clas…
Tiny Sc allows the chains to rattle: Impact of Lu and Y doping on the charge density wave in ScVSn
William R. Meier, Richa Pokharel Madhogaria, Shirin Mozaffari +8
The kagome metals display an intriguing variety of electronic and magnetic phases arising from the connectivity of atoms on a kagome lattice. A growing number of these materials wi…
Topological Nernst and topological thermal Hall effect in rare-earth kagome ScMnSn
Richa P. Madhogaria, Shirin Mozaffari, Heda Zhang +5
Thermal and thermoelectric measurements are known as powerful tools to uncover the physical properties of quantum materials due to their sensitivity towards the scattering and chir…
Universal sublinear resistivity in vanadium kagome materials hosting charge density waves
Shirin Mozaffari, William R. Meier, Richa P. Madhogaria +14
The recent discovery of a charge density (CDW) state in ScVSn at = 91 K offers new opportunities to understand the origins of electronic instabilities in…
Origin and stability of the charge density wave in ScVSn
Yanhong Gu, Ethan Ritz, William R. Meier +7
Kagome metals are widely recognized as versatile platforms for exploring novel topological properties, unconventional electronic correlations, magnetic frustration, and superconduc…
Emergence of a new band and the Lifshitz transition in kagome metal ScVSn with charge density wave
Seoung-Hun Kang, Haoxiang Li, William R. Meier +10
Topological kagome systems have been a topic of great interest in condensed matter physics due totheir unique electronic properties. The vanadium-based kagome materials are particu…
Pressure-Induced Insulator-to-Metal Transition in van der Waals compound CoPS
Takahiro Matsuoka, Rahul Rao, Michael A. Susner +3
We have studied the insulator-to-metal transition and crystal structure evolution under high pressure in the van der Waals compound CoPS through electrical r…
Line-Graph Approach to Spiral Spin Liquids
Shang Gao, Ganesh Pokharel, Andrew F. May +8
Competition among exchange interactions is able to induce novel spin correlations on a bipartite lattice without geometrical frustration. A prototype example is the spiral spin liq…
Charge density wave in kagome lattice intermetallic ScV6Sn6
Hasitha W. Suriya Arachchige, William R. Meier, Madalynn Marshall +6
Materials hosting kagome lattices have drawn interest for the diverse magnetic and electronic states generated by geometric frustration. In the VSb compounds ( = K, R…
Investigation of the magnetoelastic coupling anisotropy in the Kitaev material -RuCl
Vilmos Kocsis, David A. S. Kaib, Kira Riedl +9
The Kitaev material -RuCl is among the most prominent candidates to host a quantum spin-liquid state endowed with fractionalized excitations. Recent experimental and theoret…
The planar thermal Hall conductivity in the Kitaev magnet α-RuCl3
Peter Czajka, Tong Gao, Max Hirschberger +6
We report detailed measurements of the Onsager-like planar thermal Hall conductivity in -RuCl, a spin-liquid candidate of topical interest. With the thermal current…
Evidence of a Phonon Hall Effect in the Kitaev Spin Liquid Candidate -RuCl
É. Lefrançois, G. Grissonnanche, J. Baglo +9
The material -RuCl has been the subject of intense scrutiny as a potential Kitaev quantum spin liquid, predicted to display Majorana fermions as low energy excitations. In p…
Pressure-induced insulator-metal transition in two-dimensional Mott insulator NiPS3
Takahiro Matsuoka, Amanda Haglund, Rui Xue +4
The pressure-induced insulator to metal transition (IMT) of layered magnetic nickel phosphorous tri-sulfide NiPS3 was studied in-situ under quasi-uniaxial conditions by means of el…
Oscillations of the thermal conductivity observed in the spin-liquid state of -RuCl
Peter Czajka, Tong Gao, Max Hirschberger +6
In the class of materials called spin liquids, a magnetically ordered state cannot be attained even at milliKelvin temperatures because of conflicting constraints on each spin (for…
Unusual exchange couplings and intermediate temperature Weyl state in Co3Sn2S2
Qiang Zhang, Satoshi Okamoto, German D. Samolyuk +7
Understanding the magnetism and its possible correlations to the topological properties has emerged as a forefront and difficult topic in studying magnetic Weyl semimetals. Co$_{3}…
Hierarchical excitations from correlated spin tetrahedra on the breathing pyrochlore lattice
Shang Gao, Andrew F. May, Mao-Hua Du +10
The hierarchy of the coupling strengths in a physical system often engenders an effective model at low energies where the decoupled high-energy modes are integrated out. Here, usin…
Field-induced intermediate ordered phase and anisotropic interlayer interactions in -RuCl
Christian Balz, Lukas Janssen, Paula Lampen-Kelley +6
In -RuCl, an external magnetic field applied within the honeycomb plane can induce a transition from a magnetically ordered state to a disordered state that is potentially r…
Giant Phonon Anomalies in the Proximate Kitaev Quantum Spin Liquid -RuCl
H. Li, T. T. Zhang, A. Said +10
The Kitaev quantum spin liquid epitomizes an entangled topological state, for which two flavors of fractionalized low-energy excitations are predicted: the itinerant Majorana fermi…
Magnetic exchange interactions in the van der Waals layered antiferromagnet MnPSe3
S. Calder, A. V. Haglund, A. I. Kolesnikov +1
Two-dimensional van der Waals compounds with magnetic ions on a honeycomb lattice are hosts to a variety of exotic behavior. The magnetic interactions in one such compound, MnPSe$_…
Thermal and magnetoelastic properties of α-RuCl3 in the field-induced low temperature states
Rico Schönemann, Shusaku Imajo, Franziska Weickert +8
We discuss the implications that new magnetocaloric, thermal expansion and magnetostriction data in -RuCl single crystals have on its temperature-field phase diagram and u…
Nature of Magnetic Excitations in the High-Field Phase of -RuCl
A. N. Ponomaryov, L. Zviagina, J. Wosnitza +7
We present comprehensive electron spin resonance (ESR) studies of in-plane oriented single crystals of -RuCl, a quasi-two-dimensional material with honeycomb structure, focu…
The range of non-Kitaev terms and fractional particles in RuCl
Yiping Wang, Gavin B. Osterhoudt, Yao Tian +12
Significant efforts have focused on the magnetic excitations of relativistic Mott insulators, predicted to realize the Kitaev quantum spin liquid (QSL). This exactly solvable model…
Field-induced phase transitions of the Kitaev material -RuCl probed by thermal expansion and magnetostriction
S. Gass, P. M. Cônsoli, V. Kocsis +8
High-resolution thermal expansion and magnetostriction measurements were performed on single crystals of -RuCl in magnetic fields applied parallel to the Ru-Ru bonds. The le…
Cluster Frustration in the Breathing Pyrochlore Magnet LiGaCr4S8
Ganesh Pokharel, Hasitha Suriya Arachchige, Travis J. Williams +11
We present a comprehensive neutron scattering study of the breathing pyrochlore magnet LiGaCr4S8. We observe an unconventional magnetic excitation spectrum with a separation of hig…