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Proceedings Paper

Properties of DC magnetron sputtered indium-tin oxide films with the assistance of tiny H2O vapor at low temperature
Author(s): Hui Lin; Junsheng Yu; Shuangling Lou; Jun Wang; Yadong Jiang
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Paper Abstract

ITO thin films with high optical and electrical performance were prepared by DC magnetron sputtering method with the assistance of tiny H2O vapor during deposition process. ITO films were deposited in a custom built Sunicel Plus200 DC magnetron sputtering system using argon as the main sputtering gas and a small quantity of H2O vapor. For the characterization of ITO film properties, film thickness was measured with a step profiler. The 3D-images of the ITO film surface were characterized by an atomic force microscope (AFM). Film square resistivity was estimated by four-point probe method, and optical transparency was measured by a spectrophotometer. The resulting ITO films exhibited high electrical conductivity as well as high optical transparency and smooth surface morphology. The square resistivity was about 50 Ω/square area sputtered at 200 W at the substrate temperature of 100°C on the position of 10 cm from the sputtering source to substrate center. With the introducing of 2×10-5 Torr H2O vapor during sputtering process the visible light transmittance of approximately 89% in the visible spectral region was achieved.

Paper Details

Date Published: 20 November 2007
PDF: 5 pages
Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 672243 (20 November 2007); doi: 10.1117/12.783519
Show Author Affiliations
Hui Lin, Univ. of Electronic Science and Technology of China (China)
Junsheng Yu, Univ. of Electronic Science and Technology of China (China)
Shuangling Lou, Univ. of Electronic Science and Technology of China (China)
Jun Wang, Univ. of Electronic Science and Technology of China (China)
Yadong Jiang, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 6722:
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies

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