Influences of neutral oxygen vacancies and centers on α-quartz
Li Hui-Rana), Cheng Xin-Lu†a),b), Zhang Honga),c), Zhao Fengd)
       
Configurations of α -quartz with different types of neutral V O: (a) without defect, (b) 1– V O, (c) 2 a – V O, (d) 2 b 1– V O, (e) 2 b 2– V O, and (f) 2 b 3– V O. The gray and black spheres represent Si and O atoms, respectively.