Domain structures of PbTiO3 single crystal and La-modified PbTiO3 thin film by Kelvin force microscope

被引：0
|
作者：
Yamamoto, T [1 ]
Sakamoto, J [1 ]
Saito, M [1 ]
Niori, H [1 ]
机构：
[1] Natl Def Acad, Dept Commun Engn, Yokosuka, Kanagawa 2398686, Japan
来源：
PROCEEDINGS OF THE 2001 12TH IEEE INTERNATIONAL SYMPOSIUM ON APPLICATIONS OF FERROELECTRICS, VOLS I AND II | 2001年
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D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In PbTiO3 single crystals, 90 degrees a-c, 90 degrees a-a, 180 degrees a-a, 180 degrees c-c domain and those connected domain structures have been investigated by Kelvin force microscope. A new discrimination method for classifying these domain structures was proposed by combining among surface gradient, surface electrical potential and difference of step among domains by etching rate. Two kinds of c domains, where +c domain and -c domain was called, were measured separately. Similarly, 180 degrees c-c domain in spontaneously poled (Pb,La)TiO3 thin film on (100)Pt/(100)MgO was discussed with pyroelectric measurements.
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页码：975 / 978
页数：4
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