The authors thank the research group of Prof. Chunxiang Xu, Southeast University, for their kind assistance in low temperature measurements. This work was supported by NSFC (11904092), the Hunan Provincial Natural Science Foundation of China (2019JJ50028), the Project of Key Laboratory Energy Monitoring and Edge Computing of for Smart City of Hunan Province (2019TP1017), China Postdoctoral Science Foundation (2021M691314) and the Innovation/Entrepreneurship Program of Jiangsu Province (JSSCB20210935).
The authors thank the research group of Prof. Chunxiang Xu, Southeast University, for their kind assistance in low temperature measurements. This work was supported by NSFC ( 11904092 ), the Hunan Provincial Natural Science Foundation of China ( 2019JJ50028 ), the Project of Key Laboratory Energy Monitoring and Edge Computing of for Smart City of Hunan Province ( 2019TP1017 ), China Postdoctoral Science Foundation ( 2021M691314 ) and the Innovation/Entrepreneurship Program of Jiangsu Province ( JSSCB20210935 ).