Effect of O–O bonds on p-type conductivity in Ag-doped ZnO twin grain boundaries Project supported by the National Natural Science Foundation of China (Grant No. 11364009) and Natural Science Foundation of Guangxi Province, China (Grant No. 2014GXNSFFA118004). |
The split AgZn-4d orbitals in two ligand fields, including (a) trigonal pyramidal configuration and (b) tetragonal pyramidal configuration. |