Investigation of tailored planar defects arising from ZnO tetrapods doped with In2O3

4mol% In2O3-doped ZnO tetrapods with bamboo shape legs (in terms of planar defects) have been grown controllably by thermal evaporation of Zn and In2O3 mixed source. It is found that the indium oxide dopants can get incorporated into the ZnO lattice to form O-In bonds, which are confirmed by X-ray p...

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Published inMaterials letters Vol. 121; pp. 152 - 155
Main Authors Yu, Lingmin, Fan, Xinhui, Lei, Man, Wei, Jiansong, Jin, Yao-Hua, Yan, Wen
Format Journal Article
LanguageEnglish
Published 15.04.2014
Subjects
Bamboo
Bonding
Crystal defects
Evaporation
Indium oxides
Legs
Transmission electron microscopy
Zinc oxide
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Summary:4mol% In2O3-doped ZnO tetrapods with bamboo shape legs (in terms of planar defects) have been grown controllably by thermal evaporation of Zn and In2O3 mixed source. It is found that the indium oxide dopants can get incorporated into the ZnO lattice to form O-In bonds, which are confirmed by X-ray photo-electron-spectroscopy (XPS) and the high resolution transmission electron microscopy (HRTEM). The detailed electron microscopy studies indicate that the structures of In2O3-doped ZnO tetrapods have the planar defects such as stacking faults and twins. The formation of the planar defects might be attributed to the high strain in the crystal caused by In2O3-insertion.
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ISSN:0167-577X
DOI:10.1016/j.matlet.2014.01.153