Preparation and characterization of indium tin oxide films formed by oxygen ion beam assisted deposition |
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Authors: | C. Liu T. MiharaT. Matsutani T. AsanumaM. Kiuchi |
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Affiliation: | a National Institute of Advanced Industrial Science and Technology, Ikeda 563-8577, Japan b Department of Physics, Wuhan University, Wuhan 430072, People's Republic of China |
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Abstract: | Indium tin oxide (ITO) films were produced by low-energy oxygen ion beam assisted electron-beam evaporation. The dependence of surface morphology, electrical and optical properties on evaporation rate, oxygen ion beam energy and density, as well as substrate temperatures was characterized by atomic force microscopy, X-ray photoelectron spectroscopy, Hall-effect and optical transmittance measurements. The results show that high-quality ITO films (resistivity of 7.0×10−4 Ω cm, optical transmittance above 85% at wavelength 550 nm, surface roughness of 0.6 nm in root mean square) can be obtained at room temperature. |
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Keywords: | 77.84.Bw 81.15.Jj |
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