Effect of graphene tunnel barrier on Schottky barrier height of Heusler alloy Co2MnSi/graphene/n-Ge junction
Li Gui-fang†, , Hu Jing, Lv Hui, Cui Zhijun, Hou Xiaowei, Liu Shibin, Du Yongqian
       

Raman spectrum of single graphene layer fabricated on Ge (001) substrate.