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Anomalous Hall Effect in ZrTe5
Tian Liang, Jingjing Lin, Quinn Gibson +9
ZrTe has been of recent interest as a potential Dirac/Weyl semimetal material. Here, we report the results of experiments performed via in-situ 3D double-axis rotation to extra…
A pressure-induced topological phase with large Berry curvature in PbSnTe
Tian Liang, Satya Kushwaha, Jinwoong Kim +5
The picture of how a gap closes in a semiconductor has been radically transformed by topological concepts. Instead of the gap closing and immediately re-opening, topological argume…
Anomalous Nernst Effect in Dirac Semimetal Cd3As2
Tian Liang, Jingjing Lin, Quinn Gibson +5
Dirac and Weyl semimetals display a host of novel properties. In CdAs, the Dirac nodes lead to a protection mechanism that strongly suppresses backscattering in zero magnet…
Distinct Electronic Structure for the Extreme Magnetoresistance in YSb
Junfeng He, Chaofan Zhang, Nirmal J. Ghimire +15
An extreme magnetoresistance (XMR) has recently been observed in several non-magnetic semimetals. Increasing experimental and theoretical evidence indicates that the XMR can be dri…
Orthogonal Magnetization and Symmetry Breaking in Pyrochlore Iridate Eu2Ir2O7
Tian Liang, Timothy H. Hsieh, Jun J. Ishikawa +3
Electrons in the pyrochore iridates experience a large interaction energy in addition to a strong spin-orbit interaction. Both features make the iridates promising for realizing no…