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Gapped Surface States in a Strong-Topological-Semimetal
A. P. Weber, Q. D. Gibson, Huiwen Ji +4
A three-dimensional strong-topological-insulator or -semimetal hosts topological surface states which are often said to be gapless so long as time-reversal symmetry is preserved. T…
Quenched crystal field disorder and magnetic liquid ground states in Tb2Sn2-xTixO7
B. D. Gaulin, E. Kermarrec, M. L. Dahlberg +11
Solid-solutions of the "soft" quantum spin ice pyrochlore magnets Tb2B2O7 with B=Ti and Sn display a novel magnetic ground state in the presence of strong B-site disorder, characte…
Correlation of Crystal Quality and Extreme Magnetoresistance of WTe
Mazhar N. Ali, Leslie Schoop, Jun Xiong +5
High quality single crystals of WTe were grown using a Te flux followed by a cleaning step involving self-vapor transport. The method is reproducible and yields consistently hi…
The symmetry and light stuffing of Ho2Ti2O7, Er2Ti2O7 and Yb2Ti2O7 characterized by synchrotron X-ray diffraction
Kristen Baroudi, Bruce D. Gaulin, Saul H. Lapidus +1
The Ho2Ti2O7, Er2Ti2O7 and Yb2Ti2O7 pyrochlores were studied by synchrotron X-ray diffraction to determine whether the (002) peak, forbidden in the pyrochlore space group Fd-3m but…
Potential ring of Dirac nodes in a new polymorph of CaP
Lilia S. Xie, Leslie M. Schoop, Elizabeth M. Seibel +3
We report the crystal structure of a new polymorph of CaP, and an analysis of its electronic structure. The crystal structure was determined through Rietveld refinements of…
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…