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Application of topological quantum chemistry in electrides
Simin Nie, Yuting Qian, Jiacheng Gao +3
The recently developed theory of topological quantum chemistry (TQC) has built a close connection between band representations in momentum space and orbital characters in real spac…
Superconductivity and Fermi Surface Nesting in the Candidate Dirac Semimetal NbC
Dayu Yan, Daiyu Geng, Qiang Gao +18
We report the synthesis of single-crystal NbC, a transition metal carbide with various unusual properties. Transport, magnetic susceptibility, and specific heat measurements demons…
Topological electronic structure in the antiferromagnet HoSbTe
Shaosheng Yue, Yuting Qian, Meng Yang +11
Magnetic topological materials, in which the time-reversal symmetry is broken, host various exotic quantum phenomena, including the quantum anomalous Hall effect, axion insulator s…
Diabolical touching point in the magnetic energy levels of topological nodal-line metals
Chong Wang, Zhongyi Zhang, Chen Fang +1
For three-dimensional metals, Landau levels disperse as a function of the magnetic field and the momentum wavenumber parallel to the field. In this two-dimensional parameter space,…
Magnetic and electronic properties of a topological nodal line semimetal candidate: HoSbTe
Meng Yang, Yuting Qian, Dayu Yan +7
We report the experimental and theoretical studies of a magnetic topological nodal line semimetal candidate HoSbTe. Single crystals of HoSbTe are grown from Sb flux, crystallizing…
Crystal and Electronic Structure of GaTaSe From First-Principle Calculations
Shuai Zhang, Tiantian Zhang, Hongshan Deng +3
GaTaSe belongs to the lacunar spinel family. Its crystal structures is still a puzzle though there have been intensive studies on its novel properties, such as the Mott ins…