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Solid-phase epitaxial film growth and optical properties of a ferroelectric oxide, Sr2Nb2O7

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Title: Solid-phase epitaxial film growth and optical properties of a ferroelectric oxide, Sr2Nb2O7
Authors: Nezu, Yukio Browse this author
Zhang, Yu-Qiao Browse this author
Chen, Chunlin Browse this author
Ikuhara, Yuichi Browse this author
Ohta, Hiromichi Browse this author →KAKEN DB
Issue Date: 7-Oct-2017
Publisher: American Institute of Physics (AIP)
Journal Title: Journal of Applied Physics
Volume: 122
Issue: 13
Start Page: 135305
Publisher DOI: 10.1063/1.4997813
Abstract: High-quality epitaxial films of a ferroelectric oxide Sr2Nb2O7 were successfully fabricated by solid phase epitaxy (SPE) on (110) LaAlO3 single crystal substrates. In the SPE method, amorphous Sr-Nb-O films are first deposited by pulsed laser deposition at room temperature and then annealed in vacuum at elevated temperatures, resulting in the crystallization of Sr2Nb2O7 with highly ordered atomic arrangement and an atomically flat surface. The refractive index of the resultant film was 2.1, indicating that the dielectric permittivity of the film was in between 20 and 80, which corresponds well with that of single crystal Sr2Nb2O7, demonstrating the effectiveness of the SPE method for the fabrication of high-quality epitaxial films of Sr2Nb2O7. Published by AIP Publishing.
Rights: The following article appeared in Yukio Nezu, Yu-Qiao Zhang, Chunlin Chen, Yuichi Ikuhara and Hiromichi Ohta, Solid-phase epitaxial film growth and optical properties of a ferroelectric oxide, Sr2Nb2O7, Journal of Applied Physics 122, 135305 (2017), doi: 10.1063/1.4997813 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.4997813 .
Type: article
URI: http://hdl.handle.net/2115/71635
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 太田 裕道

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