Investigation of PbTiO3 thin films with reduced and re-oxidized treatment using Raman spectroscopy

Ken Nishida; Minoru Osada; Hiroki Moriwake; Joe Sakai; Nobuaki Ito; Masamichi Nishide; Hirotaka Oka; Masashi Matsuoka; Rikyu Ikariyama; Hiroshi Funakubo; Takashi Katoda; Takashi Yamamoto

doi:10.2109/jcersj2.121.859

Investigation of PbTiO₃ thin films with reduced and re-oxidized treatment using Raman spectroscopy

Ken Nishida^*, Minoru Osada, Hiroki Moriwake, Joe Sakai, Nobuaki Ito, Masamichi Nishide, Hirotaka Oka, Masashi Matsuoka, Rikyu Ikariyama, Hiroshi Funakubo, Takashi Katoda, Takashi Yamamoto

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Investigations of the lattice dynamics of defects, such as oxygen vacancies, are important to understand the properties of PbTiO₃ and related materials. Herein polarized Raman spectra of epitaxial PbTiO₃ thin films with reduced and re-oxidized treatment were investigated. The oxygen-reduced spectrum displayed an additional mode related to oxygen vacancies, whereas the re-oxidized spectrum was the same as the initial one. The oxygen vacancy content increases as the intensity of additional mode increases, while the intensity of the B mode related to oxygen ions decreases. First-principles calculations of the phonon mode related to oxygen vacancies support the assignment of the additional mode.

Original language	English
Pages (from-to)	859-862
Number of pages	4
Journal	Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
Volume	121
Issue number	1417
DOIs	https://doi.org/10.2109/jcersj2.121.859
Publication status	Published - 2013 Sept
Externally published	Yes

Keywords

Additional mode
First-principles calculation
Oxygen vacancy
PbTiO thin film
Raman spectroscopy
Re-oxidized treatment
Reduced treatment

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry
Chemistry(all)
Condensed Matter Physics

Access to Document

10.2109/jcersj2.121.859

Cite this

Nishida, K., Osada, M., Moriwake, H., Sakai, J., Ito, N., Nishide, M., Oka, H., Matsuoka, M., Ikariyama, R., Funakubo, H., Katoda, T., & Yamamoto, T. (2013). Investigation of PbTiO₃ thin films with reduced and re-oxidized treatment using Raman spectroscopy. Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan, 121(1417), 859-862. https://doi.org/10.2109/jcersj2.121.859

Nishida, K, Osada, M, Moriwake, H, Sakai, J, Ito, N, Nishide, M, Oka, H, Matsuoka, M, Ikariyama, R, Funakubo, H, Katoda, T & Yamamoto, T 2013, 'Investigation of PbTiO₃ thin films with reduced and re-oxidized treatment using Raman spectroscopy', Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan, vol. 121, no. 1417, pp. 859-862. https://doi.org/10.2109/jcersj2.121.859

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title = "Investigation of PbTiO3 thin films with reduced and re-oxidized treatment using Raman spectroscopy",

abstract = "Investigations of the lattice dynamics of defects, such as oxygen vacancies, are important to understand the properties of PbTiO3 and related materials. Herein polarized Raman spectra of epitaxial PbTiO3 thin films with reduced and re-oxidized treatment were investigated. The oxygen-reduced spectrum displayed an additional mode related to oxygen vacancies, whereas the re-oxidized spectrum was the same as the initial one. The oxygen vacancy content increases as the intensity of additional mode increases, while the intensity of the B mode related to oxygen ions decreases. First-principles calculations of the phonon mode related to oxygen vacancies support the assignment of the additional mode.",

keywords = "Additional mode, First-principles calculation, Oxygen vacancy, PbTiO thin film, Raman spectroscopy, Re-oxidized treatment, Reduced treatment",

author = "Ken Nishida and Minoru Osada and Hiroki Moriwake and Joe Sakai and Nobuaki Ito and Masamichi Nishide and Hirotaka Oka and Masashi Matsuoka and Rikyu Ikariyama and Hiroshi Funakubo and Takashi Katoda and Takashi Yamamoto",

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doi = "10.2109/jcersj2.121.859",

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AU - Nishida, Ken

AU - Osada, Minoru

AU - Moriwake, Hiroki

AU - Sakai, Joe

AU - Ito, Nobuaki

AU - Nishide, Masamichi

AU - Oka, Hirotaka

AU - Matsuoka, Masashi

AU - Ikariyama, Rikyu

AU - Funakubo, Hiroshi

AU - Katoda, Takashi

AU - Yamamoto, Takashi

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AB - Investigations of the lattice dynamics of defects, such as oxygen vacancies, are important to understand the properties of PbTiO3 and related materials. Herein polarized Raman spectra of epitaxial PbTiO3 thin films with reduced and re-oxidized treatment were investigated. The oxygen-reduced spectrum displayed an additional mode related to oxygen vacancies, whereas the re-oxidized spectrum was the same as the initial one. The oxygen vacancy content increases as the intensity of additional mode increases, while the intensity of the B mode related to oxygen ions decreases. First-principles calculations of the phonon mode related to oxygen vacancies support the assignment of the additional mode.

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KW - Raman spectroscopy

KW - Re-oxidized treatment

KW - Reduced treatment

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