Magnetic Phase Transition in Two-Dimensional CrBr$_3$ Probed by a Quantum Sensor
Haodong Wang1,2†, Peihan Lei1,2†, Xiaoyu Mao1,3†, Xi Kong4*, Xiangyu Ye1,2, Pengfei Wang1,2, Ya Wang1,2, Xi Qin1,2, Jan Meijer5, Hualing Zeng1,3*, Fazhan Shi1,2, and Jiangfeng Du1,2*
1Hefei National Laboratory for Physical Sciences at the Microscale and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China 2CAS Key Laboratory of Microscale Magnetic Resonance, University of Science and Technology of China, Hefei 230026, China 3CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China 4National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China 5Felix-Bloch Institute for Solid State Physics, University Leipzig, Linné Str. 5, D-04103 Leipzig, Germany
Abstract：Recently, magnetism in two-dimensional (2D) van der Waals (vdW) materials has attracted wide interests. It is anticipated that these materials will stimulate discovery of new physical phenomena and novel applications. The capability to quantitatively measure the magnetism of 2D magnetic vdW materials is essential to understand these materials. Here we report on quantitative measurements of ferromagnetic-to-paramagnetic phase transition of an atomically thin (down to 11 nm) vdW magnet, namely CrBr$_3$, with a Curie point of 37.5 K. This experiment demonstrates that surface magnetism can be quantitatively investigated, which is useful for a wide variety of potential applications.
(Submillimeter wave, microwave and radiowave spectrometers; magnetic resonance spectrometers, auxiliary equipment, and techniques)
引用本文:
. [J]. 中国物理快报, 2022, 39(4): 47601-.
Haodong Wang, Peihan Lei, Xiaoyu Mao, Xi Kong, Xiangyu Ye, Pengfei Wang, Ya Wang, Xi Qin, Jan Meijer, Hualing Zeng, Fazhan Shi, and Jiangfeng Du. Magnetic Phase Transition in Two-Dimensional CrBr$_3$ Probed by a Quantum Sensor. Chin. Phys. Lett., 2022, 39(4): 47601-.
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2022, Vol. 39 
