Superconductivity of bilayer titanium/indium thin film grown on SiO2/Si (001)
Mo Zhao-Hong1, 2, Lu Chao1, Liu Yi1, Feng Wei1, Zhang Yun1, Zhang Wen1, Tan Shi-Yong1, Zhang Hong-Jun1, Guo Chun-Yu3, Wang Xiao-Dong1, Wang Liang1, Yang Rui-Zhu1, Ren Zhong-Guo1, Zhu Xie-Gang1, †, Xiong Zhong-Hua1, An Qi2, Lai Xin-Chun4, ‡
       

(color online) (a) Resistance–temperature curves and (b) resistance–magnetic field curves for bilayer samples with various Ti/In ratios, with insets indicating the values of thickness ratio (k = dTi/d In).