Influence of Substrate Bias Voltage on the Properties of Cu Thin Films by Sputter Type Ion Beam Deposition
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- Lim Jae-Won
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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- Ishikawa Yukio
- Department of Substrate Engineering Semiconductor Division, Sumitomo Electric Industries Ltd.
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- Miyake Kiyoshi
- Graduate School of Science and Engineering, Saitama University
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- Yamashita Mutsuo
- Seinan Industries Co. Ltd.
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- Isshiki Minoru
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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Cu thin films have been deposited on Si (100) substrate by using a non-mass-separated ion beam deposition (IBD) system. The effect of the substrate bias voltage on the properties of the deposited films was investigated using X-ray diffraction, resistivity measurement and field emission scanning electron microscopy. In the case of Cu thin films deposited without bias voltage, a columnar structure and small grains were observed distinctly, and the electrical resistivity of the deposited Cu films was very high. By increasing the bias voltage, no clear columnar structure and grain boundary were observed. The resistivity of Cu films decreased remarkably and at a bias voltage of −50 V, reaching a minimum value of 18±1 nΩm, which is close to that of the bulk phase (16.7 nΩm.)
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 43 (6), 1403-1408, 2002
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679223077248
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- NII論文ID
- 10012324583
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD38Xls1Siurs%3D
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 6200846
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 抄録ライセンスフラグ
- 使用不可