Strain-sensitive ferromagnetic two-dimensional Cr2Te3
Strain-sensitive ferromagnetic two-dimensional Cr2Te3
复制标题
应变敏感铁磁二维 Cr2Te3
DOI:
10.1007/s12274-021-3633-3
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发表时间:
2021-07
期刊:
影响因子:
9.9
通讯作者:
Tianyou Zhai
中科院分区:
文献类型:
--
作者:
Junchuan Zhong;Mingshan Wang;Teng Liu;Yinghe Zhao;Xiang Xu;Shasha Zhou;Junbo Han;Lin Gan;Tianyou Zhai
Searching for room temperature magnetic two-dimensional (2D) materials is a charming goal, but the number of satisfied materials is tiny. Strain can introduce considerable deformation into the lattice structure of 2D materials, and thus significantly modulate their intrinsic properties. In this work, we demonstrated a remarkable strain-modulated magnetic properties in the chemical vapor deposited Cr2Te3nanoflakes grown on mica substrate. We found the Curie temperature of Cr2Te3nanoflakes can be positively and negatively modulated under tensile and compressive strain respectively, with a maximum varied value of ∼ 40 and −90 K, dependent on the thickness of samples. Besides, the coercive field of Cr2Te3nanoflakes also showed a significant decrease under the applied strain, suggesting the decrease of exchange interaction or the change of the magnetization direction. This work suggests a promise to employ interfacial strain to accelerate the practical application of room temperature 2D magnetics.
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