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Title: Evidence for electronic signature of a magnetic transition in the topological magnet HoSbTe
Authors: Shumiya, Nana
Yin, Jia-Xin
Chang, Guoqing
Yang, Meng
Mardanya, Sougata
Chang, Tay-Rong
Lin, Hsin
Md Shafayat Hossain
Jiang, Yu-Xiao
Cochran, Tyler A.
Zhang, Qi
Yang, Xian P.
Shi, Youguo
M. Zahid Hasan
Keywords: Science::Physics::Electricity and magnetism
Issue Date: 2022
Source: Shumiya, N., Yin, J., Chang, G., Yang, M., Mardanya, S., Chang, T., Lin, H., Md Shafayat Hossain, Jiang, Y., Cochran, T. A., Zhang, Q., Yang, X. P., Shi, Y. & M. Zahid Hasan (2022). Evidence for electronic signature of a magnetic transition in the topological magnet HoSbTe. Physical Review B, 106(3), 035151-.
Project: NRF-NRFF13-2021-0010
Journal: Physical Review B 
Abstract: Topological insulators with intrinsic magnetic order are emerging as an exciting platform to realize fundamentally new excitations from topological quantum states of matter. To study these systems and their physics, people have proposed a variety of magnetic topological insulator systems, including HoSbTe, an antiferromagnetic weak topological insulator candidate. In this work, we use scanning tunneling microscopy to probe the electronic structure of HoSbTe with antiferromagnetic and ferromagnetic orders that are tuned by applying an external magnetic field. Although around the Fermi energy we find minor differences between the quasiparticle interferences under the ferromagnetic and antiferromagnetic orders, deep inside the valance region, a quasiparticle interference signal emerges with ferromagnetism. This observation is consistent with our first-principles calculations indicating the magnetism-driven transition of the electronic states in this spin-orbit coupled topological magnet.
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.106.035151
Schools: School of Physical and Mathematical Sciences 
Rights: © 2022 American Physical Society. All rights reserved. This paper was published in Physical Review B and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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