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Author:

Chen, Peng (Chen, Peng.) | Yao, Qi (Yao, Qi.) | Xu, Junqi (Xu, Junqi.) | Sun, Qiang (Sun, Qiang.) | Grutter, Alexander J. (Grutter, Alexander J..) | Quarterman, Patrick (Quarterman, Patrick.) | Balakrishnan, Purnima P. (Balakrishnan, Purnima P..) | Kinane, Christy J. (Kinane, Christy J..) | Caruana, Andrew J. (Caruana, Andrew J..) | Langridge, Sean (Langridge, Sean.) | Li, Ang (Li, Ang.) | Achinuq, Barat (Achinuq, Barat.) | Heppell, Emily (Heppell, Emily.) | Ji, Yuchen (Ji, Yuchen.) | Liu, Shanshan (Liu, Shanshan.) | Cui, Baoshan (Cui, Baoshan.) | Liu, Jiuming (Liu, Jiuming.) | Huang, Puyang (Huang, Puyang.) | Liu, Zhongkai (Liu, Zhongkai.) | Yu, Guoqiang (Yu, Guoqiang.) | Xiu, Faxian (Xiu, Faxian.) | Hesjedal, Thorsten (Hesjedal, Thorsten.) | Zou, Jin (Zou, Jin.) | Han, Xiaodong (Han, Xiaodong.) | Zhang, Haijun (Zhang, Haijun.) | Yang, Yumeng (Yang, Yumeng.) | Kou, Xufeng (Kou, Xufeng.)

Indexed by:

EI Scopus SCIE

Abstract:

The intrinsic magnetic topological insulator MnBi2Te4 (MBT) provides a platform for the creation of exotic quantum phenomena. Novel properties can be created by modification of the MnBi2Te4 framework, but the design of stable magnetic structures remains challenging. Here we report ferromagnet-intercalated MnBi2Te4 superlattices with tunable magnetic exchange interactions. Using molecular beam epitaxy, we intercalate ferromagnetic MnTe layers into MnBi2Te4 to create [(MBT)(MnTe)(m)](N) superlattices and examine their magnetic interaction properties using polarized neutron reflectometry and magnetoresistance measurements. Incorporation of the ferromagnetic spacer tunes the antiferromagnetic interlayer coupling of the MnBi2Te4 layers through the exchange-spring effect at MnBi2Te4/MnTe hetero-interfaces. The MnTe thickness can be used to modulate the relative strengths of the ferromagnetic and antiferromagnetic order, and the superlattice periodicity can tailor the spin configurations of the synthesized multilayers.

Keyword:

Author Community:

  • [ 1 ] [Chen, Peng]ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China
  • [ 2 ] [Liu, Jiuming]ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China
  • [ 3 ] [Huang, Puyang]ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China
  • [ 4 ] [Yang, Yumeng]ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China
  • [ 5 ] [Kou, Xufeng]ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China
  • [ 6 ] [Chen, Peng]Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Shanghai, Peoples R China
  • [ 7 ] [Chen, Peng]Univ Chinese Acad Sci, Beijing, Peoples R China
  • [ 8 ] [Yao, Qi]ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai, Peoples R China
  • [ 9 ] [Ji, Yuchen]ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai, Peoples R China
  • [ 10 ] [Liu, Zhongkai]ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai, Peoples R China
  • [ 11 ] [Kou, Xufeng]ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai, Peoples R China
  • [ 12 ] [Yao, Qi]ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai, Peoples R China
  • [ 13 ] [Ji, Yuchen]ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai, Peoples R China
  • [ 14 ] [Liu, Zhongkai]ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai, Peoples R China
  • [ 15 ] [Xu, Junqi]Nanjing Univ, Sch Phys, Natl Lab Solid State Microstruct, Nanjing, Peoples R China
  • [ 16 ] [Zhang, Haijun]Nanjing Univ, Sch Phys, Natl Lab Solid State Microstruct, Nanjing, Peoples R China
  • [ 17 ] [Sun, Qiang]Univ Queensland, Sch Mech & Min Engn, Brisbane, Qld, Australia
  • [ 18 ] [Zou, Jin]Univ Queensland, Sch Mech & Min Engn, Brisbane, Qld, Australia
  • [ 19 ] [Sun, Qiang]Univ Queensland, Ctr Microscopy & Microanal, St Lucia, Qld, Australia
  • [ 20 ] [Zou, Jin]Univ Queensland, Ctr Microscopy & Microanal, St Lucia, Qld, Australia
  • [ 21 ] [Grutter, Alexander J.]Natl Inst Stand & Technol, NIST Ctr Neutron Res, Gaithersburg, MD USA
  • [ 22 ] [Quarterman, Patrick]Natl Inst Stand & Technol, NIST Ctr Neutron Res, Gaithersburg, MD USA
  • [ 23 ] [Balakrishnan, Purnima P.]Natl Inst Stand & Technol, NIST Ctr Neutron Res, Gaithersburg, MD USA
  • [ 24 ] [Kinane, Christy J.]Rutherford Appleton Lab, ISIS Neutron & Muon Source, Didcot, England
  • [ 25 ] [Caruana, Andrew J.]Rutherford Appleton Lab, ISIS Neutron & Muon Source, Didcot, England
  • [ 26 ] [Langridge, Sean]Rutherford Appleton Lab, ISIS Neutron & Muon Source, Didcot, England
  • [ 27 ] [Li, Ang]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing, Peoples R China
  • [ 28 ] [Han, Xiaodong]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing, Peoples R China
  • [ 29 ] [Achinuq, Barat]Univ Oxford, Dept Phys, Clarendon Lab, Oxford, England
  • [ 30 ] [Heppell, Emily]Univ Oxford, Dept Phys, Clarendon Lab, Oxford, England
  • [ 31 ] [Hesjedal, Thorsten]Univ Oxford, Dept Phys, Clarendon Lab, Oxford, England
  • [ 32 ] [Liu, Shanshan]Fudan Univ, Dept Phys, State Key Lab Surface Phys, Shanghai, Peoples R China
  • [ 33 ] [Xiu, Faxian]Fudan Univ, Dept Phys, State Key Lab Surface Phys, Shanghai, Peoples R China
  • [ 34 ] [Cui, Baoshan]Songshan Lake Mat Lab Dongguan, Guangzhou, Guangdong, Peoples R China
  • [ 35 ] [Yu, Guoqiang]Songshan Lake Mat Lab Dongguan, Guangzhou, Guangdong, Peoples R China
  • [ 36 ] [Cui, Baoshan]Chinese Acad Sci, Condensed Matter Phys Inst Phys, Beijing Natl Lab, Beijing, Peoples R China
  • [ 37 ] [Yu, Guoqiang]Chinese Acad Sci, Condensed Matter Phys Inst Phys, Beijing Natl Lab, Beijing, Peoples R China
  • [ 38 ] [Zhang, Haijun]Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing, Peoples R China

Reprint Author's Address:

  • [Yang, Yumeng]ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China;;[Kou, Xufeng]ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China;;[Yao, Qi]ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai, Peoples R China;;[Kou, Xufeng]ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai, Peoples R China;;[Yao, Qi]ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai, Peoples R China;;

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Source :

NATURE ELECTRONICS

ISSN: 2520-1131

Year: 2022

Issue: 1

Volume: 6

Page: 18-27

3 4 . 3

JCR@2022

3 4 . 3 0 0

JCR@2022

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 23

SCOPUS Cited Count: 21

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 13

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