| A thermal conductivity switch via the reversible 2H–1T′phase transition in monolayer MoTe2 |
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| 作者姓名： | 张定波 任卫君 王珂 陈帅 张力发 倪宇翔 张刚 |
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| 作者单位： | 1. School of Physical Science and Technology, Southwest Jiaotong University;3. Center for Phononics and Thermal Energy Science, China–EU Joint Laboratory for Nanophononics,School of Physics Science and Engineering, Tongji University;4. School of Automation, Xi'an University of Posts and Telecommunications;5. NNU-SULI Thermal Energy Research Center, and Center for Quantum Transport and Thermal Energy Science (CQTES),School of Physics and Technology, Nanjing Normal University |
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| 基金项目： | Project supported by the China Scholarship Council (Grant No. 202107000030)； |
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| 摘 要： | The two-dimensional(2D) material-based thermal switch is attracting attention due to its novel applications, such as energy conversion and thermal management, in nanoscale devices. In this paper, we observed that the reversible 2H–1T′phase transition in MoTe2 is associated with about a fourfold/tenfold change in thermal conductivity along the X/Y direction by using first-principles calculations. This phenomenon can be profoundly understood by comparing the Mo–Te bonding strength betwe...
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