Position and size controlled fabrication of nano-metals and -semiconductors with fine focused electron beam

Kazuo Furuya, Kazutaka Mitsuishi, Masayuki Shimojo, Masaki Takeguchi

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Nanofabrication with tine focused electron beam was reviewed, and position and size controlled fabrication of nano-metals and -semiconductors are demonstrated. The nanowire of GaAs was shown to have an about 3 nm in diameter. We have discovered that Si nanocrystals with 2 to 3 nm can be formed in SiO2 thin film under irradiation of an electron beam 4.108 C/m2 at 850K. An array of the Si nanocrystal dots was also fabricated using this method. Similarly, when decomposable gases such as W(CO)6 were introduced at the beam irradiated areas, nano-metal islands are formed depending upon the beam diameter and the exposure time. The diameter of the dots was reduced to about 3.5 nm with the FE-STEM, while those were limited to about 15 nm in diameter with the FE-SEM. Self-standing structures were successfully fabricated.

本文言語English
ページ(範囲)381-386
ページ数6
ジャーナルReviews on Advanced Materials Science
5
4
出版ステータスPublished - 2003 12 1
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学

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