Grain‐Size Effects on Diffuse Phase Transitions of Sol‐Gel Prepared Barium Titanate Ceramics
作者： R. M. LOBO , MOHALLEM NDS. , R. L. MOREIRA
DOI: 10.1111/J.1151-2916.1995.TB08492.X
关键词: Ferroelectricity 、 Grain size 、 Materials science 、 Analytical chemistry 、 Phase transition 、 Ceramic 、 Mineralogy 、 Sol-gel 、 Dielectric 、 Barium titanate
摘要: Barium titanate ceramic samples, obtained by sol-gel methods, having different grain sizes have been analyzed diffuse phase transition techniques. We performed a study of the influence each method on interval and Landau parameters ferroelectric these materials. The results show existence relationship between character size sample. fitting dielectric data presented here allows us to compare ceramics with single crystals then analyze process used obtain them.
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