Theory of interface structures in double-layer ferroelectrics

Interface structures in double-layer ferroelectrics comprising two distinct layers of different polarization properties, with bilinear interface coupling across the interface, are examined analytically within the framework of Landau-Ginzburg phenomenological theory. The structures are investigated f...

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Bibliographic Details
Main Authors: Chew, Khian Hooi, Chan, H.L.W., Shin, F.G., Ishibashi, Y.
Format: Article
Published: 2003
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Online Access:http://eprints.um.edu.my/8205/
http://jpsj.ipap.jp/link?JPSJ/72/2364/
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Summary:Interface structures in double-layer ferroelectrics comprising two distinct layers of different polarization properties, with bilinear interface coupling across the interface, are examined analytically within the framework of Landau-Ginzburg phenomenological theory. The structures are investigated for coupled layers with: (i) one layer in paraelectric phase and the other in ferroelectric phase (ferroelectric-paraelectric), and (ii) both layers in ferroelectric phases (ferroelectric-ferroelectric). The effects of interfacial coupling on the total interface structure energies, interfacial coupling energies and mismatch in polarization across the interface are discussed.