Contact Resistance Reduction Using Vacuum Loadlock System and Plasma Dry Cleaning
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概要
- 論文の詳細を見る
The contact resistance between Si substrates and P-doped poly-Si films was investigated using a vacuum loadlock system with various wafer transfer environments. When compared to that in air atmosphere, the contact resistance was reduced by 40% and 50% in nitrogen atmosphere and under vacuum, respectively. Furthermore, the use of a plasma dry cleaning method to remove the native oxide before P-doped poly-Si deposition decreased the contact resistance by 60% compared with that in air. The surface treated with plasma dry cleaning was analyzed by secondary-ion mass spectroscopy (SIMS) and X-ray photoelectron spectroscopy (XPS) and was found to be terminated by SiOxFy or SiFx, which suppressed the formation of an interface oxide and the adsorption of organic compounds.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-06-15
著者
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Miya Hironobu
Graduate School Of Advanced Sciences Of Matter Hiroshima University
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Sakaue Hiroyuki
Graduate School Of Advanced Science Of Matter Hiroshima University
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Takahagi Takayuki
Graduate School of Advance Science of Matter, Hiroshima University, 1-3 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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Takahagi Takayuki
Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
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Shingubara Shoso
Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
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Shingubara Shoso
Graduate School of Advanced Science of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8530, Japan
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Miya Hironobu
Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
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Shingubara Shoso
Graduate School of Advanced Science of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
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