Thickness transitions of ferroelectricity in thin films

被引:51
作者
Ishibashi, Y [1 ]
Orihara, H
Tilley, DR
机构
[1] Nagoya Univ, Sch Engn, Dept Appl Phys, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Univ Sains Malaysia, Dept Phys, Penang 11800, Malaysia
[3] Univ Essex, Dept Phys, Colchester CO4 3SQ, Essex, England
关键词
ferroelectricity; thin films; thickness transition;
D O I
10.1143/JPSJ.67.3292
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The disappearance of ferroelectricity in thin films is discussed in the framework of the Landau theory. The way in which ferroelectricity is lost with decreasing film thickness has the properties of a phase transition. The polarization profiles, the average energy density and the average polarization, which depend on the film thickness, are analytically obtained for various boundary conditions.
引用
收藏
页码:3292 / 3297
页数:6
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