反応性マグネトロンスパッタリング法を用いたアクリル基板上に作製されたITO薄膜 : 格子定数及び化学量論的組成の評価
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概要
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Indium tin oxide films were deposited on acrylics by reactive magnetron sputtering at a low substrate temperature for their application to pilot windows. The effects of oxygen flow on the microstructure and chemical composition of films were explored. The deposition rate of ITO films invariably increased with the cathode current and decreased with the bias voltage. In addition, it initially decreased significantly with increasing oxygen flow rate but this decrease slowed down as the oxygen flow rate exceeded a certain critical value. The composition of ITO films is considerably different from the stoichiometric composition. However the O/(In+Sn) ratio approached the stoichiometric composition with the increase in the oxygen flow rate. No obvious crystalline phases were detected in ITO films at an oxygen flow rate of 1 sccm. However crystalline phases were observed as the oxygen flow rate increased. The lattice parameters of ITO films increased with the oxygen flow rate and were greater than that of In_2O_3. This was attributed to the decrease in oxygen vacancies at high flow rates. Low-energy (110) planes grow preferentially in ITO films with no bias voltage. Non-close-packed preferential planes of (111) predominated, however, as the bias voltage was increased.
- 社団法人日本セラミックス協会の論文
- 2000-01-01
著者
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Lo W‐t
National Cheng‐kung Univ. Tainan Twn
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HUANG Jow-Lay
Department of Material Science and Engineering, National Cheng-Kung University
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JAH Yin-Tsan
Department of Material Science and Engineering, National Cheng-Kung University
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YAU Bao-Shun
Department of Material Science and Engineering, National Cheng-Kung University
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LO Wen-Tse
Department of Material Science and Engineering, National Cheng-Kung University
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Lo Wen-tse
Department Of Material Science And Engineering National Cheng-kung University
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Yau Bao-shun
Department Of Material Science And Engineering National Cheng-kung University
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Jah Yin-tsan
Department Of Material Science And Engineering National Cheng-kung University
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Huang Jow-lay
Department Of Materials Science And Engineering National Cheng Kong University
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Huang Jow-lay
Department Of Material Science And Engineering National Cheng-kung University
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Huang J‐l
National Cheng‐kung Univ. Tainan Twn
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