A gradational system for ferroelectric nanosized (Pb0.7Sr 0.3)TiO3 particles

Fumihito Shikanai, Jun Kano, Hiroshi Sawa, Fan Zhang, Tomoaki Karaki, Masatoshi Adachi, Je Geun Park, Seiji Kojima, Susumu Ikeda, Takashi Kamiyama

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Synchrotron radiation x-ray diffraction measurement was performed to investigate the size effect in ferroelectric nanosized (Pb0.7Sr 0.3)TiO3 particles with various sizes ranging from 10 to 200 nm. The 200 and 002 Bragg reflections were separated using low energy synchrotron radiation x-rays. The peak profiles of the 002 reflections show a large broadening and asymmetry for all particle sizes compared with those of the 200 reflections. These anomalously wide and asymmetric peak profiles become marked for peaks with a large l. The aspect ratio of the lattice constants c/a and the atomic distance between the anions and cations decrease gradually in the vicinity of the surface of the particles, indicating that the asymmetrical profiles can be attributed to the formation of a gradational system.

Original languageEnglish
Article number025903
JournalJournal of Physics Condensed Matter
Volume21
Issue number2
DOIs
Publication statusPublished - 2009
Externally publishedYes

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Ferroelectric materials
Synchrotron radiation
synchrotron radiation
profiles
X rays
Lattice constants
Anions
Cations
aspect ratio
Aspect ratio
x ray diffraction
Negative ions
Diffraction
Positive ions
Particle size
asymmetry
anions
cations
x rays
energy

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Materials Science(all)

Cite this

A gradational system for ferroelectric nanosized (Pb0.7Sr 0.3)TiO3 particles. / Shikanai, Fumihito; Kano, Jun; Sawa, Hiroshi; Zhang, Fan; Karaki, Tomoaki; Adachi, Masatoshi; Park, Je Geun; Kojima, Seiji; Ikeda, Susumu; Kamiyama, Takashi.

In: Journal of Physics Condensed Matter, Vol. 21, No. 2, 025903, 2009.

Research output: Contribution to journalArticle

Shikanai, F, Kano, J, Sawa, H, Zhang, F, Karaki, T, Adachi, M, Park, JG, Kojima, S, Ikeda, S & Kamiyama, T 2009, 'A gradational system for ferroelectric nanosized (Pb0.7Sr 0.3)TiO3 particles', Journal of Physics Condensed Matter, vol. 21, no. 2, 025903. https://doi.org/10.1088/0953-8984/21/2/025903
Shikanai, Fumihito ; Kano, Jun ; Sawa, Hiroshi ; Zhang, Fan ; Karaki, Tomoaki ; Adachi, Masatoshi ; Park, Je Geun ; Kojima, Seiji ; Ikeda, Susumu ; Kamiyama, Takashi. / A gradational system for ferroelectric nanosized (Pb0.7Sr 0.3)TiO3 particles. In: Journal of Physics Condensed Matter. 2009 ; Vol. 21, No. 2.
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AU - Karaki, Tomoaki

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