Size-dependent optical properties of VO2 nanoparticle arrays

R. Lopez, L. C. Feldman, R. F. Haglund

Research output: Contribution to journalArticlepeer-review

197 Citations (Scopus)

Abstract

The size effects on the optical properties of vanadium dioxide nanoparticles in ordered arrays were investigated. It was observed that the optical contrast between the semiconducting and metallic phases is enhanced in the visible region, presenting size-dependent optical resonances and size-dependent transition temperatures. The collective optical response as a function of temperature was found to present an enhanced scattering state during the evolving phase transition. These observations were suggested to provide critical insights into statistical processes occurring in materials at the nanoscale.

Original languageEnglish
Article number177403
Pages (from-to)177403-1-177403-4
JournalPhysical review letters
Volume93
Issue number17
DOIs
Publication statusPublished - Oct 2 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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