DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Ho Gi | ko |
dc.contributor.author | Kurn Cho | ko |
dc.date.accessioned | 2013-02-27T13:53:51Z | - |
dc.date.available | 2013-02-27T13:53:51Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 1998-01 | - |
dc.identifier.citation | JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.81, no.7, pp.1893 - 1899 | - |
dc.identifier.issn | 0002-7820 | - |
dc.identifier.uri | http://hdl.handle.net/10203/68938 | - |
dc.description.abstract | The effect of internal stress on the physical properties (the temperature dependence of the dielectric constant and the lattice constant, and the diffuseness (gamma)) of solid solutions of 0.97BaTiO(3)-0.03Gd(2)O(3):1.5TiO(2) and 0.97BaTiO(3)-0.03CeO(2):1.5TiO(2) was investigated using various particle sizes of the starting BaTiO3, pressure-dielectric spectroscopy, and high-pressure X-ray analysis. The grain size was almost proportional to the particle size of the starting BaTiO3 and was inversely proportional to the internal stress. A sudden change in internal stress occurred at grain sizes of similar to 2 mu m for cerium-doped BaTiO3 and similar to 3 mu m for gadolinium-doped BaTiO3. With an increase in external pressure and a decrease in grain size, the lattice anomalies of the cubic-to-tetragonal transformation and two other factors (the tetragonal-to-orthorhombic and orthorhombic-to-rhombohedral transformations) shifted to lower and higher temperatures, respectively. The temperature dependencies of the dielectric constant and the lattice constant were less sensitive to external pressure in cerium-doped core-shell-grained BaTiO3 than in gadolinium-doped homogeneous-grained BaTiO3; this difference was attributable to internal stress, In cerium-doped BaTiO3, gamma was related to internal stress. | - |
dc.publisher | Wiley-Blackwell | - |
dc.subject | DIELECTRIC-PROPERTIES | - |
dc.subject | BEHAVIOR | - |
dc.subject | GRAIN | - |
dc.title | Effect of internal stress on physical temperature characteristics of Cerium-doped and Gadolinium-doded barium titanate ceramics | - |
dc.type | Article | - |
dc.identifier.wosid | 000074833400024 | - |
dc.identifier.scopusid | 2-s2.0-0032117225 | - |
dc.type.rims | ART | - |
dc.citation.volume | 81 | - |
dc.citation.issue | 7 | - |
dc.citation.beginningpage | 1893 | - |
dc.citation.endingpage | 1899 | - |
dc.citation.publicationname | JOURNAL OF THE AMERICAN CERAMIC SOCIETY | - |
dc.contributor.localauthor | Kim, Ho Gi | - |
dc.contributor.localauthor | Kurn Cho | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | DIELECTRIC-PROPERTIES | - |
dc.subject.keywordPlus | BEHAVIOR | - |
dc.subject.keywordPlus | GRAIN | - |
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