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Conducting grain bo...
Conducting grain boundaries in the high-dielectric-constant ceramic CaCu3Ti4O12
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- Chen, K. (author)
- Nanjing University, Peoples R China
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- Li, G. L. (author)
- Nanjing University, Peoples R China
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- Gao, Feng (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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- Liu, J. (author)
- Nanjing University, Peoples R China
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- Liu, J. M. (author)
- Nanjing University, Peoples R China
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- Zhu, J. S. (author)
- Nanjing University, Peoples R China
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(creator_code:org_t)
- American Institute of Physics (AIP), 2007
- 2007
- English.
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In: Journal of Applied Physics. - : American Institute of Physics (AIP). - 0021-8979 .- 1089-7550. ; 101:7, s. 074101-
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- To clarify the electrical property of grain boundaries, the fine-grained ceramics CaCu3Ti4O12 have been treated with the hydrofluoric acid to remove the parts of grain boundaries. The dielectric response difference between the etched samples and the pristine ones indicates that the ceramic CaCu3Ti4O12 consists of insulating or semiconducting grains with conducting grain boundaries. Therefore, the giant dielectric phenomenon is supposed not to derive from the grain boundary barrier layer capacitance effect. The possible mechanism is discussed. (c) 2007 American Institute of Physics.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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