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Discovery of Intrinsic Ferromagnetism in Two-Dimensional van der Waals Crystals
- Gong, Cheng;
- Li, Lin;
- Li, Zhenglu;
- Ji, Huiwen;
- Stern, Alex;
- Xia, Yang;
- Cao, Ting;
- Bao, Wei;
- Wang, Chenzhe;
- Wang, Yuan;
- Qiu, Ziqiang;
- Cava, Robert;
- Louie, Steven G;
- Xia, Jing;
- Zhang, Xiang
Published Web Location
https://doi.org/10.1364/cleo_at.2017.jth5c.2Abstract
We report the experimental discovery of intrinsic ferromagnetism in Cr2Ge2Te6 atomic layers by scanning magneto-optic Kerr microscopy. In this 2D van der Waals ferromagnet, unprecedented control of transition temperature is realized via small magnetic fields.
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