Hydrogen-Induced Degradation and Aging of Pb(Mg1/3Nb2/3)O3-Based X7R Multilayer Ceramic Capacitors
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概要
- 論文の詳細を見る
Pb(Mg1/3Nb2/3)O3-based X7R multilayer ceramic capacitors (MLCs) were placed in 0.01 M NaOH solution to deposit hydrogen on their termination electrodes through the electrolysis of water. The treatment led to great increases in the dielectric loss and the leakage current of the MLCs, and the dielectric properties of the MLCs also showed a strong aging behavior, with the capacitance and dielectric loss first inceased, and then gradually decreased. It was proposed that hydrogen from the electrolysis of water entered into Pb(Mg1/3Nb2/3)O3 lattice and existed at interstial lattice sites. The observed degradation could be explained by free electrons formed through ionization of interstitial hydrogen. Hydrogen-induced degradation happens in Pb(Mg1/3Nb2/3)O3-based MLCs during electroplating and in service and much attention should be paid to prevent hydrogen-induced degradation in them.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2008-07-25
著者
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Chan Helen
Department Of Applied Physics And Materials Research Center Hong Kong Polytechnic University
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Chen Wan
Department Of Applied Physics And Materials Research Center Hong Kong Polytechnic University
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Hu Yong
Department Of Orthopaedic Surgery The Affiliated Hospital Of Medical College Of Qingdao University
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Wang Yu
Department Of Applied Physics And Materials Research Center Hong Kong Polytechnic University
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Yu Xue
Department Of Nephrology Monash Medical Centre
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Chan Helen
Department of Applied Physics and Materials Research Centre, The Hong Kong Polytechnic University, Hong Kong, P. R. China
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Shen Zhen
Department of Physics and Key Laboratory of Acoustic and Photonic Materials and Devices of Ministry of Education, Wuhan University, Wuhan 430072, P. R. China
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Yao Wen
Department of Physics and Key Laboratory of Acoustic and Photonic Materials and Devices of Ministry of Education, Wuhan University, Wuhan 430072, P. R. China
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Chen Wan
Department of Physics and Key Laboratory of Acoustic and Photonic Materials and Devices of Ministry of Education, Wuhan University, Wuhan 430072, P. R. China
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Hu Yong
Department of Applied Physics and Materials Research Centre, The Hong Kong Polytechnic University, Hong Kong, P. R. China
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Yu Xue
Department of Applied Physics and Materials Research Centre, The Hong Kong Polytechnic University, Hong Kong, P. R. China
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