Source:http://linkedlifedata.com/resource/pubmed/id/21648468
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
7
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pubmed:dateCreated |
2011-7-27
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pubmed:abstractText |
Anodic oxide films with nanocrystalline tetragonal ZrO(2) precipitated in an amorphous oxide matrix were formed on Zr-Si and Zr-Al alloys and had significantly enhanced capacitance in comparison with those formed on zirconium metal. The capacitance enhancement was associated with the formation of a high-temperature stable tetragonal ZrO(2) phase with high relative permittivity as well as increased ionic resistivity, which reduces the thickness of anodic oxide films at a certain formation voltage. However, there is a general empirical trend that single-phase materials with higher permittivity have lower ionic resistivity. This study presents a novel material design based on a nanocrystalline-amorphous composite anodic oxide film for capacitor applications.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:status |
PubMed-not-MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
1944-8252
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:volume |
3
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
2665-70
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pubmed:year |
2011
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pubmed:articleTitle |
Enhanced capacitance of composite anodic ZrO? films comprising high permittivity oxide nanocrystals and highly resistive amorphous oxide matrix.
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pubmed:affiliation |
Division of Materials Chemistry, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan. habazaki@eng.hokudai.ac.jp
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pubmed:publicationType |
Journal Article
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