Characterization of single-crystalline In2O3 films deposited on Y-stabilized ZrO2 (1 0 0) substrates by MOCVD |
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Authors: | Lingyi Kong Fan Yang Zhen Zhu Caina Luan Hongdi Xiao |
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Institution: | School of Physics, Shandong University, Jinan, Shandong 250100, China |
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Abstract: | Epitaxial In2O3 films have been deposited on Y-stabilized ZrO2 (YSZ) (1 0 0) substrates by metalorganic chemical vapor deposition (MOCVD). The films were deposited at different substrate temperatures (450-750 °C). The film deposited at 650 °C has the best crystalline quality, and observation of the interface area shows a clear cube-on-cube epitaxial relationship of In2O3(1 0 0)||YSZ(1 0 0) with In2O30 0 1]||YSZ0 0 1]. The Hall mobility of the single-crystalline In2O3 film deposited at 650 °C is as high as 66.5 cm2 V−1 s−1 with carrier concentration of 1.5 × 1019 cm−3 and resistivity of 6.3 × 10−3 Ω cm. The absolute average transmittance of the obtained films in the visible range exceeds 95%. |
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Keywords: | In2O3 Epitaxial films MOCVD Crystal structure |
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