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Controlled Ordering of Room-Temperature Magnetic Skyrmions in a Polar Van der Waals Magnet
Peter Meisenheimer, Hongrui Zhang, David Raftrey +10
Control and understanding of ensembles of skyrmions is important for realization of future technologies. In particular, the order-disorder transition associated with the 2D lattice…
Direct visualization of surface spin-flip transition in MnBi4Te7
Wenbo Ge, Jinwoong Kim, Ying-Ting Chan +3
We report direct visualization of spin-flip transition of the surface layer in antiferromagnet MnBi4Te7, a natural superlattice of alternating MnBi2Te4 and Bi2Te3 layers, using cry…
Vapor transport growth of MnBi2Te4 and related compounds
J. -Q. Yan, Z. L. Huang, W. D. Wu +1
Motivated by fine tuning of the magnetic and topological properties of MnBiTe via defect engineering, in this work, we report the crystal growth of MnBiTe and relat…
Direct evidence of ferromagnetism in MnSb2Te4
Wenbo Ge, Paul M. Sass, Jiaqiang Yan +3
We report the magnetic imaging of ferromagnetic domains in the van der Waals single crystal MnSb2Te4 from two different sources using cryogenic magnetic force microscopy. The magne…
Native Defects in Antiferromagnetic Topological Insulator MnBiTe
Zengle Huang, Mao-Hua Du, Jiaqiang Yan +1
Using scanning tunneling microscopy and spectroscopy, we visualized the native defects in antiferromagnetic topological insulator . Two native defects $\mathrm…
Site Mixing for Engineering Magnetic Topological Insulators
Yaohua Liu, Lin-Lin Wang, Qiang Zheng +9
The van der Waals compound, MnBiTe, is the first intrinsic magnetic topological insulator, providing a materials platform for exploring exotic quantum phenomena such as the…