Ab initio calculations on oxygen vacancy defects in strained amorphous silica
Zhou Bao-Hua1, †, Zhang Fu-Jie1, Liu Xiao1, Song Yu2, 3, Zuo Xu1, 4, ‡, ‡
       

Evolution of the defect levels under strain: (a) the dimer configuration with the transition to a puckered 5× configuration at 7% strain, and (b) the dimer configuration with the transition to an interim between the dimer configuration and the puckered configuration at 6% strain.