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

New Industry Creation Hatchery Center (NICHe)

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

102 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	871-875
Number of pages	5
Journal	Nano Letters
Volume	3
Issue number	7
DOIs	https://doi.org/10.1021/nl034129t
Publication status	Published - 2003 Jul 1

ASJC Scopus subject areas

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

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10.1021/nl034129t

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abstract = "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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T1 - Critical size of the phase transition from cubic to tetragonal in pure zirconia nanoparticles

AU - Tsunekawa, S.

AU - Ito, S.

AU - Kawazoe, Y.

AU - Wang, J. T.

PY - 2003/7/1

Y1 - 2003/7/1

N2 - 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.

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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JF - Nano Letters

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

Abstract

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