Critical size of the phase transition from cubic to tetragonal in pure zirconia nanoparticles

S. Tsunekawa; S. Ito; Y. Kawazoe; J. T. Wang

doi:10.1021/nl034129t

Critical size of the phase transition from cubic to tetragonal in pure zirconia nanoparticles

S. Tsunekawa, S. Ito, Y. Kawazoe, J. T. Wang

未来科学技術共同研究センター

研究成果: Article › 査読

93 被引用数 (Scopus)

抄録

Pure (unstabilized) zirconia nanoparticles in the fluorite-type cubic phase are observed by transmission electron microscopy. Microscopic observations at a pressure of 5 × 10^-5 Pa suggest that the phase transition from the cubic to tetragonal phase arises for particles near 2 nm in diameter. First principles computer simulations of large zirconia clusters show that the critical size of the transition could occur for a diameter of 2.05 ± 0.15 nm, which is in good agreement with the experimental value.

本文言語	English
ページ（範囲）	871-875
ページ数	5
ジャーナル	Nano Letters
巻	3
号	7
DOI	https://doi.org/10.1021/nl034129t
出版ステータス	Published - 2003 7 1

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

文献へのアクセス

10.1021/nl034129t

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引用スタイル

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AU - Ito, S.

AU - Kawazoe, Y.

AU - Wang, J. T.

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AB - Pure (unstabilized) zirconia nanoparticles in the fluorite-type cubic phase are observed by transmission electron microscopy. Microscopic observations at a pressure of 5 × 10-5 Pa suggest that the phase transition from the cubic to tetragonal phase arises for particles near 2 nm in diameter. First principles computer simulations of large zirconia clusters show that the critical size of the transition could occur for a diameter of 2.05 ± 0.15 nm, which is in good agreement with the experimental value.

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