Dramatically enhanced polarization in (001), (101) and (111) BiFeO3 thin films due to epitaxial-induced transitions

Dramatically enhanced polarization in (001), (101) and (111) BiFeO3 thin films due to epitaxial-induced transitions

Dramatically enhanced polarization has been found for (001), (101), and (111) films, relative to that of BiFeO3 crystals. The easy axis of spontaneous polarization lies close to (111), for the various oriented films. BiFeO3 films grown on (111) have a rhombohedral structure, identical to that of sin...

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Bibliographic Details
Main Authors: Li, Jiefang, Wang, Junling, Wuttig, M., Ramesh, R., Wang, Naigang, Ruette, B., Pyatakov, A. P., Zvezdin, A. K., Viehland, D.
Other Authors: School of Materials Science & Engineering
Format: Article
Language:English
Published: 2011
Subjects:
DRNTU::Engineering::Materials::Microelectronics and semiconductor materials
Online Access:https://hdl.handle.net/10356/93829
http://hdl.handle.net/10220/6905
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Institution: Nanyang Technological University
Language: English
Description
Summary:Dramatically enhanced polarization has been found for (001), (101), and (111) films, relative to that of BiFeO3 crystals. The easy axis of spontaneous polarization lies close to (111), for the various oriented films. BiFeO3 films grown on (111) have a rhombohedral structure, identical to that of single crystals; whereas films grown on (101) or (001) are monoclinically distorted from the rhombohedral structure, due to the epitaxial constraint.

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