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期刊论文
Field Emission of a Single In-Doped ZnO Nanowire
J. Phys. Chem. C 2007, 111, 9039-9043，-0001，（）：
In-doped ZnO nanowires were successfully fabricated by thermal evaporation of a powder mixture of Zn, In2O3, and graphite. Field emission of individual In-doped and pure ZnO nanowire was observed in situ by a transmission electron microscopy. The results show that In-doped ZnO nanowires showed an enhanced field emission properties. First-principle density functional calculations were performed to calculate the electronic structure of the In-doped and pure ZnO in order to explain the observed field emission properties. A two-band field emission mechanics was proposed to explain the enhanced field emission from n-type doping.
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