Domain Structures and Domain Wall Energies in Ferroelectric Guanidinium Aluminum Sulfate Hexahydrate
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概要
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Fine details of ferroelectric domain structure in guanidinium aluminum sulfatehexahydrate have been revealed by an improved powder pattern technique. Withinlarge positive or negative segments which correspond to growth pyramids,striation-type domains and small circular domains have been clearly resolved.Two types of the preferential wall orientation are characterized ; one is parallelto the crystallographic symmetry planes, and the other is perpendicular to them.Spontaneous switching of many small domains has been found at low temperature(about 1.2 X 10' cm " at - 100'C) ; they change in shape with lowering tempera-ture from circle to hexagon with edges parallel to the symmetry planes. From anapplication of the Zhirnov-type continuum theory, the wall energy density isobtained as 0.3 erg/cm', and is shown to be almost independent of wallorientation.
- 社団法人日本物理学会の論文
- 1978-09-15
著者
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HATANO Jun
Department of Materials Science and Technology, Science University of Tokyo
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Hatano Jun
Faculty Of Industrial Science And Technology Science University Of Tokyo
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Hatano Jun
Department Of Applied Physics Faculty Of Science Science University Of Tokyo
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Hatano Jun
Department Of Materials Science And Technology Science University Of Tokyo
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Futama Hideo
Faculty of Science University of Tokyo
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SUDA Fujio
Department of Resources and Environmental Sciences,School of Humanities and Culture,Tokai University
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FUTAMA Hideo
Department of Applied Physics,Faculty of Science,Science University of Tokyo
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Futama Hideo
Department Of Applied Physics Faculty Of Science Science University Of Tokyo
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Suda Fujio
Department Of Resources And Environmental Sciences School Of Humanities And Culture Tokai University
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Suda Fujio
Department Of Applied Physics Faculty Of Science Science University Of Tokyo
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Hatano Jun
Department Of Materials Science And Technology Faculty Of Science And Technology Science University
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Hatano J
Tokyo Univ. Sci. Chiba Jpn
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Futama H
Sci. Univ. Tokyo Tokyo Jpn
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Suda F
Univ. Reading Reading Gbr
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