Role of surrounding oxygen on oxide nanowire growth

Annop Klamchuen, Takeshi Yanagida, Masaki Kanai, Kazuki Nagashima, Keisuke Oka, Tomoji Kawai, Masaru Suzuki, Yoshiki Hidaka, Shoichi Kai

研究成果: Contribution to journalArticle査読

34 被引用数 (Scopus)

抄録

The ability to control oxide nanowires via vapor-liquid-solid (VLS) mechanism remains an important challenge to explore various applications of oxide nanowires. Here we demonstrate the crucial roles of surrounding oxygen on VLS grown SnO2 nanowires. When the partial pressure of surrounding oxygen is relatively low, the oxygen mainly acts as an oxygen source, promoting VLS growth. While for relatively high oxygen partial pressures, vapor-solid (VS) growth emerges, suppressing nanowire growth. The findings as to the roles of surrounding oxygen on the inherent competition between VLS and VS growths are in principle rather universal for VLS grown nanowires of various oxides.

本文言語英語
論文番号073114
ジャーナルApplied Physics Letters
97
7
DOI
出版ステータス出版済み - 8 16 2010

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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