应变工程中Bi(111)薄膜的半导体-半金属转变及其机理

任师浩, 刘永利, 孟凡顺, 祁阳

Strain-Engineered Semiconductor to Semimetallic Transition and Its Mechanism in Bi(111) Film

REN Shihao, LIU Yongli, MENG Fanshun, QI Yang

图3 施加双轴应变时1 BL厚Bi(111)薄膜能量和结构的变化

Fig.3 Variations of total energy (a), bond length and equilibrium buckling (b) of 1 BL thickness Bi(111) film with different strains