Giant enhancement of superconductivity in few layers MoTe2*

Project supported by the Guangdong Innovative and Entrepreneurial Research Team Program, China (Grant No. 2016ZT06D348), the National Natural Science Foundation of China (Grant No. 11874193), and the Shenzhen Fundamental Subject Research Program, China (Grant Nos. JCYJ20170817110751776 and JCYJ20170307105434022).

Gan Yuan1, 2, Cho Chang-Woo2, Li Alei2, Lyu Jian2, Du Xu3, Wen Jin-Sheng1, Zhang Li-Yuan2, †
       

(a) Measured Raman spectra for 4.0-nm and 7.6-nm MoTe2 sample at 300 K, where red solid curve is for 4-layers MoTe2, which is the same as literature data[30] and inset shows optical microscope image of device MoTe2. (b) Schematics of sandwiched structure of few-layer MoTe2 device.