Open Access
Open access
volume 5 issue 11

Natural van der Waals heterostructural single crystals with both magnetic and topological properties

Jia-Zhen Wu 1
Fucai Liu 1, 2
MASATO SASASE 1
Yukiko Obata 4
Ryu Yukawa 4
Koji Horiba 4
Hiroshi Kumigashira 4, 5
S Okuma 3
Takeshi Inoshita 1, 6
Publication typeJournal Article
Publication date2019-11-11
scimago Q1
wos Q1
SJR4.324
CiteScore19.6
Impact factor12.5
ISSN23752548
Multidisciplinary
Abstract
We report naturally occurring van der Waals heterostructural single crystals with intrinsic magnetic topological properties. Heterostructures having both magnetism and topology are promising materials for the realization of exotic topological quantum states while challenging in synthesis and engineering. Here, we report natural magnetic van der Waals heterostructures of (MnBi2Te4)m(Bi2Te3)n that exhibit controllable magnetic properties while maintaining their topological surface states. The interlayer antiferromagnetic exchange coupling is gradually weakened as the separation of magnetic layers increases, and an anomalous Hall effect that is well coupled with magnetization and shows ferromagnetic hysteresis was observed below 5 K. The obtained homogeneous heterostructure with atomically sharp interface and intrinsic magnetic properties will be an ideal platform for studying the quantum anomalous Hall effect, axion insulator states, and the topological magnetoelectric effect.
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GOST |
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GOST Copy
Wu J. et al. Natural van der Waals heterostructural single crystals with both magnetic and topological properties // Science advances. 2019. Vol. 5. No. 11.
GOST all authors (up to 50) Copy
Wu J., Liu F., SASASE M., Ienaga K., Obata Y., Yukawa R., Horiba K., Kumigashira H., Okuma S., Inoshita T., Hosono H. Natural van der Waals heterostructural single crystals with both magnetic and topological properties // Science advances. 2019. Vol. 5. No. 11.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1126/sciadv.aax9989
UR - https://doi.org/10.1126/sciadv.aax9989
TI - Natural van der Waals heterostructural single crystals with both magnetic and topological properties
T2 - Science advances
AU - Wu, Jia-Zhen
AU - Liu, Fucai
AU - SASASE, MASATO
AU - Ienaga, Koichiro
AU - Obata, Yukiko
AU - Yukawa, Ryu
AU - Horiba, Koji
AU - Kumigashira, Hiroshi
AU - Okuma, S
AU - Inoshita, Takeshi
AU - Hosono, Hideo
PY - 2019
DA - 2019/11/11
PB - American Association for the Advancement of Science (AAAS)
IS - 11
VL - 5
PMID - 31763457
SN - 2375-2548
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2019_Wu,
author = {Jia-Zhen Wu and Fucai Liu and MASATO SASASE and Koichiro Ienaga and Yukiko Obata and Ryu Yukawa and Koji Horiba and Hiroshi Kumigashira and S Okuma and Takeshi Inoshita and Hideo Hosono},
title = {Natural van der Waals heterostructural single crystals with both magnetic and topological properties},
journal = {Science advances},
year = {2019},
volume = {5},
publisher = {American Association for the Advancement of Science (AAAS)},
month = {nov},
url = {https://doi.org/10.1126/sciadv.aax9989},
number = {11},
doi = {10.1126/sciadv.aax9989}
}