Tailoring exchange couplings in magnetic topological-insulator/antiferromagnet heterostructures - Details

Author：

Indexed by：

EI Scopus SCIE PubMed

Abstract：

Magnetic　topological　insulators　such　as　Cr-doped　(Bi,Sb)(2)Te-3　provide　a　platform　for　the　realization　of　versatile　time　reversal　symmetry-breaking　physics.　By　constructing　heterostructures　exhibiting　Neel　order　in　an　antiferromagnetic　CrSb　and　ferromagnetic　order　in　Cr-doped　(Bi,Sb)(2)Te-3,　we　realize　emergent　interfacial　magnetic　phenomena　which　can　be　tailored　through　artificial　structural　engineering.　Through　deliberate　geometrical　design　of　heterostructures　and　superlattices,　we　demonstrate　the　use　of　antiferromagnetic　exchange　coupling　in　manipulating　the　magnetic　properties　of　magnetic　topological　insulators.　Proximity　effects　are　shown　to　induce　an　interfacial　spin　texture　modulation　and　establish　an　effective　long-range　exchange　coupling　mediated　by　antiferromagnetism,　which　significantly　enhances　the　magnetic　ordering　temperature　in　the　superlattice.　This　work　provides　a　new　framework　on　integrating　topological　insulators　with　antiferromagnetic　materials　and　unveils　new　avenues　towards　dissipationless　topological　antiferromagnetic　spintronics.

Keyword：

Author Community：

[ 1 ] [He, Qing Lin]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 2 ] [Kou, Xufeng]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 3 ] [Yin, Gen]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 4 ] [Pan, Lei]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 5 ] [Che, Xiaoyu]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 6 ] [Liu, Yuxiang]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 7 ] [Nie, Tianxiao]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 8 ] [Shao, Qiming]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 9 ] [Murata, Koichi]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 10 ] [Zhu, Xiaodan]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 11 ] [Yu, Guoqiang]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 12 ] [Fan, Yabin]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 13 ] [Montazeril, Mohammad]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 14 ] [Wang, Kang L.]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[ 15 ] [Grutter, Alexander J.]NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA
[ 16 ] [Disseler, Steven M.]NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA
[ 17 ] [Kirby, Brian J.]NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA
[ 18 ] [Ratcliff, William]NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA
[ 19 ] [Borchers, Julie A.]NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA
[ 20 ] [Zhang, Bin]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 21 ] [Zhu, Xiaodan]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China

Reprint Author's Address：

[He, Qing Lin]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA;;[Wang, Kang L.]Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

Email：

qlhe@ucla.edu |
wang@ee.ucla.edu

Show more details

Related Keywords：

Source ：

NATURE MATERIALS

ISSN： 1476-1122

Year： 2017

Issue： 1

Volume： 16

Page： 94-100

4 1 . 2 0 0

JCR@2022

ESI Discipline： MATERIALS SCIENCE;

ESI HC Threshold：287

CAS Journal Grade：1

Cited Count：

WoS CC Cited Count： 139

SCOPUS Cited Count： 144

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 13

Affiliated Colleges：

材料科学与工程学院本学院/部未明确归属的数据

Get Fulltext

DOI Library Discovery Baidu Scholar Search Web of Science

Type
Departments

All Years Choose Year From to