Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session W17: Topological Materials and Platforms
3:00 PM–5:48 PM,
Thursday, March 7, 2024
Room: M100H
Sponsoring
Unit:
DCMP
Chair: Qunfei Zhou, University of Kansas
Abstract: W17.00004 : Angle dependent quantum phase transition from quantum anomalous insulator to axion insulator*
3:36 PM–3:48 PM
Presenter:
Ting-Hsun Yang
(ucla)
Authors:
Ting-Hsun Yang
(ucla)
Gang Qiu
(University of California, Los Angeles)
Yaochen Li
(University of California, Los Angeles)
Peng Zhang
(University of California, Los Angeles)
Kang-Lung Wang
(University of California, Los Angeles)
In this study, we investigate the unexplored properties of Cr- and V- doped (Bi,Sb)2Te3 under the influence of in-plane magnetic fields and the angle-dependent magnetic field configurations. Transport behavior during quantum phase transitions is systematically investigated. Our findings shed light on the intricate interplay between magnetic field orientation and the topological surface states of axion insulators, providing valuable insights into the potential control and manipulation of these materials for applications in novel electronic and quantum technologies.
*A portion of this work was performed at the National High Magnetic Field Laboratory, which is supported by National Science Foundation Cooperative Agreement No. DMR-2128556* and the State of Florida.
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