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New layered fluorosulfide SrFBiS2
Hechang Lei, Kefeng Wang, Milinda Abeykoon +2
We have synthesized a new layered BiS-based compound SrFBiS2. This compound has similar structure to BiS2. It is built up by stacking up SrF layers and NaCl-type BiS2 layers…
Large magnetothermopower effect in Dirac materials (Sr/Ca)MnBi2
Kefeng Wang, Limin Wang, C. Petrovic
We report temperature and magnetic field dependence of the thermal transport properties in single crystals of (Sr/Ca)MnBi with linear energy dispersion. In SrMnBi thermopow…
Two dimensional Dirac fermions and quantum magnetoresistance in CaMnBi
Kefeng Wang D. Graf, Limin Wang, Hechang Lei +2
We report two dimensional Dirac fermions and quantum magnetoresistance in single crystals of CaMnBi. The non-zero Berry's phase, small cyclotron resonant mass and first-princip…
Quantum transport of two-dimensional Dirac fermions in SrMnBi2
Kefeng Wang, D. Graf, Hechang Lei +2
We report two-dimensional quantum transport in SrMnBi single crystals. The linear energy dispersion leads to the unusual nonsaturated linear magnetoresistance since all Dirac f…