Nature Electronics

Tailoring the magnetic exchange interaction in MnBi2Te4 superlattices via the intercalation of ferromagnetic layers

Peng Chen ^{1, 2, 3}

Q Yao ^{4, 5}

JUNQI XU ⁶

Qiang Sun ^{7, 8}

A. J. Grutter ⁹

Patrick Quarterman ⁹

Purnima P. Balakrishnan ⁹

Christy Kinane ¹⁰

A. J. Caruana ¹⁰

S. J. Langridge ¹⁰

A Li ¹¹

Balati Kuerbanjiang ¹²

Emily Heppell ¹²

Yuchen Ji ^{4, 5}

Shanshan Liu ¹³

Baoshan Cui ^{14, 15}

Jiuming Liu ¹

Puyang Huang ¹

Zhongkai Liu ^{4, 5}

Guoqiang Yu ^{14, 15}

F. Xiu ¹³

Thorsten Hesjedal ¹²

Jin Zou ^{7, 8}

Xiaodong Han ¹¹

Haijun Zhang ^{6, 16}

Yumeng Yang ¹

Xufeng Kou ^{1, 4}

Hide authors affiliations Show authors affiliations: 16 affiliations

School of Information Science and Technology, ShanghaiTech University, Shanghai, China |

Shanghai Institute of Microsystem and Information Technology, Chinese Academy of sciences, Shanghai, China |

University of Chinese Academy of Science, Beijing, China |

⁴

ShanghaiTech Laboratory for Topological Physics, ShanghaiTech University, Shanghai, China |

⁵

School of physical science and technology, ShanghaiTech University, Shanghai, China |

⁶

National Laboratory of Solid-State Microstructures, School of Physics, Nanjing University, Nanjing, China |

⁷

School of Mechanical and Mining Engineering, The University of Queensland, Queensland, Australia |

⁸

Centre for Microscopy and Microanalysis, The University of Queensland, St Lucia, Australia |

⁹

NIST center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, USA |

¹⁰

ISIS-Neutron and Muon Source, Rutherford Appleton Laboratory, Didcot, UK |

¹¹

Institute of Microstructure and Property of Advanced Materials, Beijing University of Technology, Beijing, China |

¹²

Department of Physics, Clarendon Laboratory, University of Oxford, Oxford, UK |

¹³

State Key Laboratory of Surface Physics, Department of Physics, Fudan University, Shanghai, China |

¹⁴

Songshan Lake Materials Laboratory Dongguan, Guangdong, China |

¹⁵

Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences, Beijing, China |

¹⁶

Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, China

Nanjing University

Collaborative Innovation Center of Advanced Microstructures

Publication type: Journal Article

Publication date: 2022-12-12

Springer Nature

Nature Electronics

scimago Q1

wos Q1

SJR: 11.082

CiteScore: 49.1

Impact factor: 40.9

ISSN: 25201131

DOI: 10.1038/s41928-022-00880-1

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Electronic, Optical and Magnetic Materials

Electrical and Electronic Engineering

Instrumentation

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. The magnetic exchange interaction of MnBi2Te4—an intrinsic magnetic topological insulator—can be tuned by intercalating ferromagnetic layers of MnTe.

Found

1 citation

Rakhmanov Aleksandtr

🥼

DSc in Physics and Mathematics

248 publications, 4 541 citations

h-index: 34

Institute of Theoretical and Applied Electrodynamics of Russian Academy of Sciences

Research interests

Electromagnetics

Topological insulator

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Chen P. et al. Tailoring the magnetic exchange interaction in MnBi2Te4 superlattices via the intercalation of ferromagnetic layers // Nature Electronics. 2022.

GOST all authors (up to 50) Copy

Chen P., Yao Q., XU J., Sun Q., Grutter A. J., Quarterman P., Balakrishnan P. P., Kinane C., Caruana A. J., Langridge S. J., Li A., Kuerbanjiang B., Heppell E., Ji Y., Liu S., Cui B., Liu J., Huang P., Liu Z., Yu G., Xiu F., Hesjedal T., Zou J., Han X., Zhang H., Yang Y., Kou X. Tailoring the magnetic exchange interaction in MnBi2Te4 superlattices via the intercalation of ferromagnetic layers // Nature Electronics. 2022.

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RIS Copy

TY - JOUR

DO - 10.1038/s41928-022-00880-1

UR - https://doi.org/10.1038/s41928-022-00880-1

TI - Tailoring the magnetic exchange interaction in MnBi2Te4 superlattices via the intercalation of ferromagnetic layers

T2 - Nature Electronics

AU - Chen, Peng

AU - Yao, Q

AU - XU, JUNQI

AU - Sun, Qiang

AU - Grutter, A. J.

AU - Quarterman, Patrick

AU - Balakrishnan, Purnima P.

AU - Kinane, Christy

AU - Caruana, A. J.

AU - Langridge, S. J.

AU - Li, A

AU - Kuerbanjiang, Balati

AU - Heppell, Emily

AU - Ji, Yuchen

AU - Liu, Shanshan

AU - Cui, Baoshan

AU - Liu, Jiuming

AU - Huang, Puyang

AU - Liu, Zhongkai

AU - Yu, Guoqiang

AU - Xiu, F.

AU - Hesjedal, Thorsten

AU - Zou, Jin

AU - Han, Xiaodong

AU - Zhang, Haijun

AU - Yang, Yumeng

AU - Kou, Xufeng

PY - 2022

DA - 2022/12/12

PB - Springer Nature

SN - 2520-1131

ER -

BibTex

Cite this

BibTex (up to 50 authors) Copy

@article{2022_Chen,

author = {Peng Chen and Q Yao and JUNQI XU and Qiang Sun and A. J. Grutter and Patrick Quarterman and Purnima P. Balakrishnan and Christy Kinane and A. J. Caruana and S. J. Langridge and A Li and Balati Kuerbanjiang and Emily Heppell and Yuchen Ji and Shanshan Liu and Baoshan Cui and Jiuming Liu and Puyang Huang and Zhongkai Liu and Guoqiang Yu and F. Xiu and Thorsten Hesjedal and Jin Zou and Xiaodong Han and Haijun Zhang and Yumeng Yang and Xufeng Kou},

title = {Tailoring the magnetic exchange interaction in MnBi2Te4 superlattices via the intercalation of ferromagnetic layers},

journal = {Nature Electronics},

year = {2022},

publisher = {Springer Nature},

month = {dec},

url = {https://doi.org/10.1038/s41928-022-00880-1},

doi = {10.1038/s41928-022-00880-1}

}

Publisher

Springer Nature

Journal

Nature Electronics

scimago Q1

wos Q1

SJR

11.082

CiteScore

49.1

Impact factor

40.9

ISSN

25201131 (Electronic)

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