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Signature of the chiral anomaly in a Dirac semimetal: a current plume steered by a magnetic field
Jun Xiong, Satya K. Kushwaha, Tian Liang +4
In this talk, we describe recent experimental progress in detecting the chiral anomaly in the Dirac semimetal NaBi in the presence of a magnetic field. The chiral anomaly, whic…
Anomalous conductivity tensor in the Dirac semimetal Na_3Bi
Jun Xiong, Satya Kushwaha, Jason Krizan +3
Na3Bi is a Dirac semimetal with protected nodes that may be sensitive to the breaking of time-reversal invariance in a magnetic field B. We report experiments which reveal that bot…
Bulk crystal growth and electronic characterization of the 3D Dirac Semimetal Na3Bi
Satya K. Kushwaha, Jason W. Krizan, Benjamin E. Feldman +11
High quality hexagon plate-like Na3Bi crystals with large (001) plane surfaces were grown from a molten Na flux. The freshly cleaved crystals were analyzed by low temperature scann…
Superconducting properties and electronic structure of NaBi
S K Kushwaha, J W Krizan, Jun Xiong +5
Resistivity, dc magnetization, and heat capacity measurements are reported for superconducting NaBi. Tc, the electronic contribution to the specific heat γ, the ΔCp/γTc ratio, and…
Evidence for massive bulk Dirac Fermions in PbSnSe from Nernst and thermopower experiments
Tian Liang, Quinn Gibson, Jun Xiong +4
The lead chalcogenides (Pb,Sn)Te and (Pb,Sn)Se are the first examples of topological crystalline insulators (TCI) predicted \cite{Fu,Hsieh} (and confirmed \cite{Hasan,Story,Takahas…
Low carrier concentration crystals of the topological insulator BiTeSe
Shuang Jia, Huiwen Ji, E. Climent-Pascual +5
We report the characterization of BiTeSe crystals obtained by the modified Bridgman and Bridgman-Stockbarger crystal growth techniques. X-ray diffraction study confirms an…