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Strain-induced non-linear optical characteristics of pyroelectric PbVO3 epitaxial thin films

Title
Strain-induced non-linear optical characteristics of pyroelectric PbVO3 epitaxial thin films
Authors
Oh, Seol HeeShin, Hae-YoungYoon, SeokhyunAhn, Jai SeokCha, JanghwanHong, SuklyunKang, Sung JinKim, MiyoungChoi, SukgeunRoh, ChangjaeLee, JongseokJo, William
Ewha Authors
조윌렴윤석현
SCOPUS Author ID
조윌렴scopus; 윤석현scopus
Issue Date
2017
Journal Title
OPTICAL MATERIALS EXPRESS
ISSN
2159-3930JCR Link
Citation
vol. 7, no. 1, pp. 62 - 72
Publisher
OPTICAL SOC AMER
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Highly strained PbVO3 films have potential applications in pyroelectric sensors and optoelectronic devices. To understand how strain influences the nonlinear optical characteristic of PbVO3, highly distorted tetragonal PbVO3 epitaxial thin films were grown on LaAlO3 and SrTiO3 substrates. Using Raman scattering spectroscopy, theoretical and experimental studies on the phonon spectra yield insights on the strained structures of V-O apical bondings. Effects of applied strain on the linear optical properties of PbVO3 thin films were experimentally characterized by spectroscopic ellipsometry. Second-order nonlinear susceptibility tensor components of PbVO3/SrTiO3 thin films were determined to be almost twice as large as those of PbVO3/LaAlO3 thin films. (C) 2016 Optical Society of America
DOI
10.1364/OME.7.000062
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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