Formation of V2O3 nanocrystals by thermal reduction of V2O5 thin films

C. V. Ramana, S. Utsunomiya, R. C. Ewing, U. Becker

研究成果: ジャーナルへの寄稿学術誌査読

32 被引用数 (Scopus)

抄録

We report the formation of homogeneous and stable V2O 3 nanocrystals, directly from V2O5 thin films, at 600 °C, as observed by using in situ electron microscopy experiments. Thermally-induced reduction of V2O5 thin films in vacuum is remarkably different when compared to reduction of V2O 5 single crystals and results in the formation of nanophase V 2O3. Thermally grown V2O3 nanocrystals exhibit hexagon or square shape and are stable at higher temperature as well as room temperature. The formation of stable nanocrystals through the reduction process in a non-chemical environment (vacuum) could provide a basis for understanding the complex processes of vanadium oxide phase transitions and for controlling the chemical processes to produce oxide nanocrystals.

本文言語英語
ページ(範囲)645-649
ページ数5
ジャーナルSolid State Communications
137
12
DOI
出版ステータス出版済み - 3月 2006
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 凝縮系物理学
  • 材料化学

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