書誌事項
- タイトル別名
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- The Effects of Si Addition on Electrical Degradation of ZnO Varistors
- ZnO バリスタ ノ Si テンカ ノ カデンレッカ カイゼン エ ノ エイキョウ
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The effects of Si addition on the electrical degradation of the ZnO varistors were investigated by voltage-current (V-I ), capacitance-voltage (C-V ) methods, and Isothermal Capacitance Transient Spectroscopy (ICTS). The nonlinearity index α for the Bi-Mn-Si-added ZnO varistors didn’t show the remarkable change but that for the Bi-Co-Si-added ZnO varistors decreased by Si addition. Values of α after electrical degradation showed the local maximum at approximately 700molppm for Bi-Mn-added ZnO varistors and at approximately 500molppm for Bi-Co-added ZnO varistors. It is found that the electrical degradation can be hindered at these optimum Si contents. EC-ET showed the local maximum at the optimum Si content similar to α for the Bi-Mn-Al-added ZnO varistors but those for Bi-Co-Si-added ZnO varistors showed the local minimum at the optimum Si content contrary to α for Bi-Co-Al-added ZnO varistors. The density Nis of the interface trap levels obtained by C-V characteristics and ICTS for both kinds of ZnO varistor showed the local minimum at the optimum Si content similar to Al added Bi-Mn-added and Bi-Co-added ZnO varistors.
収録刊行物
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- 電気学会論文誌. A
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電気学会論文誌. A 124 (2), 189-195, 2004
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390282679569441536
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- NII論文ID
- 10011964967
- 30011540942
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- NII書誌ID
- AN10136312
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- ISSN
- 13475533
- 03854205
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- NDL書誌ID
- 6840237
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可