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Planar Thermal Hall Effects in Kitaev Spin Liquid Candidate Na2Co2TeO6
Hikaru Takeda, Jiancong Mai, Masatoshi Akazawa +7
We investigate both the longitudinal thermal conductivity () and the planar thermal Hall conductivity () in the Kitaev spin liquid candidate of Co-based honeycomb a…
Anisotropic transport and quantum oscillations in the quasi-one-dimensional TaNiTe5: Evidence for the nontrivial band topology
C. Q. Xu, Y. Liu, P. G. Cai +16
The past decade has witnessed the burgeoning discovery of a variety of topological states of matter with distinct nontrivial band topologies. Thus far, most of materials studied po…
Topological nature of step edge states on the surface of topological crystalline insulator PbSnSe
Davide Iaia, Chang-Yan Wang, Yulia Maximenko +5
In addition to novel surface states, topological insulators can also exhibit robust gapless states at crystalline defects. Step edges constitute a class of common defects on the su…
Topological Type-II Dirac Fermions Approaching the Fermi Level in a Transition Metal Dichalcogenide NiTe2
Chunqiang Xu, Bin Li, Wenhe Jiao +8
Type-II Dirac/Weyl semimetals are characterized by strongly tilted Dirac cones such that the Dirac/Weyl node emerges at the boundary of electron and hole pockets as a new state of…
Emergence of a Metal-Insulator Transition and High Temperature Charge Density Waves in VSe2 at the Monolayer Limit
Ganbat Duvjir, Byoung Ki Choi, Iksu Jang +13
Emergent phenomena driven by electronic reconstructions in oxide heterostructures have been intensively discussed. However, the role of these phenomena in shaping the electronic pr…
Atomic-Scale Strain Manipulation of a Charge Density Wave
Shang Gao, Felix Flicker, Raman Sankar +9
A charge density wave (CDW) is one of the fundamental instabilities of the Fermi surface occurring in a wide range of quantum materials. In dimensions higher than one, where Fermi…
Kondo behavior and metamagnetic phase transition in a heavy fermion compound CeBi2
W. Zhou, C. Q. Xu, B. Li +7
Heavy fermions represent an archetypal example of strongly correlated electron systems which, due to entanglement among different interactions, often exhibit exotic and fascinating…
Tellurium-bridged two-leg spin ladder in BaCuTeO
G. Narsinga Rao, R. Sankar, Akansha Singh +5
We present single-crystal growth and magnetic property studies of tellurium-bridged copper spin-1/2 system BaCuTeO. The spin-exchange interaction among copper spins via Cu-…
Doping effects on charge density instability in non-centrosymmetric PbxTaSe2
Azat Sharafeev, Raman Sankar, Alexander Glamazda +4
We report on the investigation of vibrational and electronic properties of the Pb doped dichalcogenide PbxTaSe2 using Raman scattering experiments. We observe a marked variation of…
Antiferromagnetism of Ni2NbBO6 with S = 1 dimer quasi-one-dimensional armchair chains
G. Narsinga Rao, Viveka Nand Singh, R. Sankar +3
Long range antiferromagnetic (AFM) ordering of Ni spins in Ni2NbBO6 has been studied with single crystal from spin susceptibility measurement and comparedwith the ab initio calcula…
Two-step antiferromagnetic transition and moderate triangular frustration in Li2Co(WO4)2
I. Panneer Muthuselvam, R. Sankar, A. V. Ushakov +3
We present a detailed investigation of the magnetic properties of the spin- system LiCo(WO) by means of magnetic susceptibility and specific heat. Our expe…
Mapping the unconventional orbital texture in topological crystalline insulators
Ilija Zeljkovic, Yoshinori Okada, Cheng-Yi Huang +11
The newly discovered topological crystalline insulators (TCIs) harbor a complex band structure involving multiple Dirac cones. These materials are potentially highly tunable by ext…