ELECTRON-MICROSCOPIC AND ION-SCATTERING STUDIES OF HETEROEPITAXIAL TIN-DOPED INDIUM OXIDE-FILMS

被引:16
作者
KAMEI, M [1 ]
SHIGESATO, Y [1 ]
TAKAKI, S [1 ]
HAYASHI, Y [1 ]
SASAKI, M [1 ]
HAYNES, TE [1 ]
机构
[1] OAK RIDGE NATL LAB,DIV SOLID STATE,OAK RIDGE,TN 37831
关键词
D O I
10.1063/1.112292
中图分类号
O59 [应用物理学];
学科分类号
摘要
The microstructure of heteroepitaxial tin-doped indium oxide (ITO) films were studied in detail.The surface morphology of the heteroepitaxial ITO film consisted of square-shaped, in-plane oriented subgrains (approximately 300 angstrom) in contrast to that of the polycrystalline film (characteristic grain-subgrain structure). The subgrain boundaries were predominantly formed along the {110} planes in the ITO film and dislocations were observed primarily along the subgrain boundaries. Ion channeling measurements showed the dislocation density of this film to be approximately 3 x 10(10)/cm2, and the angular distribution of the ion channeling yield showed that the subgrains are aligned to within better than 0.3-degrees (standard deviation).
引用
收藏
页码:546 / 548
页数:3
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