Acknowledgements This work was supported by the National Basic Research Program of China (No. 2013CB932602), the National Key Research and Development Program of China (No. 2016YFA0202701), the Program of Introducing Talents of Discipline to Universities (No. B14003), National Natural Science Foundation of China (Nos. 51672026, 51602020, 51527802, and 51232001), China Postdoctoral Science Foundation (Nos. 2015M580981 and 2016T90033), Beijing Municipal Science & Technology Commission, and the State Key Laboratory for Advanced Metals and Materials (No. 2016Z-06), and the Fundamental Research Funds for the Central Universities (Nos. FRF-TP-15-075A1, FRF-BR-15-036A, and FRF-AS-15-002).
The mixed-dimensional van der Waals (vdW) heterostructure is a promising building block for strained electronics and optoelectronics because it avoids the bond fracture and atomic reconstruction under strain. We pro...