Size effects in the structural phase transition of VO2 nanoparticles

R. Lopez; T. E. Haynes; L. A. Boatner; L. C. Feldman; R. F. Haglund

doi:10.1103/PhysRevB.65.224113

Size effects in the structural phase transition of VO₂ nanoparticles

R. Lopez, T. E. Haynes, L. A. Boatner, L. C. Feldman, R. F. Haglund

Rutgers University

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

292 Citations (Scopus)

Abstract

We have observed size effects in the structural phase transition of submicron vanadium dioxide precipitates in silica. The VO₂ nanoprecipitates are produced by the stoichiometric coimplantation of vanadium and oxygen and subsequent thermal processing. The observed size dependence in the transition temperature and hysteresis loops of the semiconductor-to-metal phase transition in VO₂ is described in terms of heterogeneous nucleation statistics with a phenomenological approach in which the density of nucleating defects is a power function of the driving force.

Original language	English
Article number	224113
Pages (from-to)	2241131-2241135
Number of pages	5
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	65
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevB.65.224113
Publication status	Published - Jun 1 2002

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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