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A gap-protected zero-Hall effect state in the quantum limit of the nonsymmorphic metal KHgSb
Sihang Liang, Satya Kushwaha, Tong Gao +8
A recurring theme in topological matter is the protection of unusual electronic states by symmetry, for example, protection of the surface states in Z2 topological insulators by ti…
The trimer-based spin liquid candidate Ba4NbIr3O12
Loi T. Nguyen, R. J. Cava
Ba4NbIr3O12, a previously unreported material with a triangular planar geometry of Ir3O12 trimers, is described. Magnetic susceptibility measurements show no magnetic ordering down…
Independence of topological surface state and bulk conductances in three-dimensional topological insulators
Shu Cai, Jing Guo, Vladimir A. Sidorov +12
The archetypical 3D topological insulators Bi2Se3, Bi2Te3 and Sb2Te3 commonly exhibit high bulk conductivities, hindering the characterization of the surface state charge transport…
Counterroating incommensurate magnetic order and strong quantum fluctuations in the honeycomb layers of
A. Scheie, K. Ross, P. Peter Stavropoulos +7
We report the magnetic structure and electronic properties of the honeycomb antiferromagnet . We find magnetic order with moments along the axis for tempe…
A Geometrically Frustrated Trimer-Based Mott Insulator
Loi T. Nguyen, T. Halloran, Weiwei Xie +3
The crystal structure of Ba4NbRu3O12 is based on triangular planes of elongated Ru3O12 trimers oriented perpendicular to the plane. We report that it is semiconducting, that its We…
Spin-specific heat determination of the ratio of competing first- and second-neighbor exchange interactions in frustrated spin- chains
Dayasindhu Dey, Manoranjan Kumar, Siân E. Dutton +2
The magnetic susceptibility of spin-1/2 chains is widely used to quantify exchange interactions, even though is similar for different combinations of ferromagnetic $J…