Presentation 2000/2/10
Fabrication of nano-dot arrays using the electron beam site control method
Marie Mochizuki, Satoshi Yamada, Fumihito Hirabayashi, Kazuo Tsutsui,
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Abstract(in English) An "electric beam site control method" is developed as a new approach of quantum dot array fabrication, which has merits of self-assembling method and electron beam techniques. In this method, epitaxial CaF_2 films grown on Si substrates are exposed to an focused electron beam directly, and after that, Ga droplets are spontaneously formed on the exposed sites. It was found that the beam-induced carbonaceous material is deformed by an UV ozone treatment process, and the sharpened small dots of the carbonaceous material play an role of nucleation center of Ga droplets. An other improved process using regrowth of CaF_2, which is expected to provide contamination free and high selectivity, is proposed as well.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) quantum dot array / electron beam / site control / CaF_2 / Ga
Paper # ED99-314,SDM99-207
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Committee SDM
Conference Date 2000/2/10(1days)
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Registration To Silicon Device and Materials (SDM)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Fabrication of nano-dot arrays using the electron beam site control method
Sub Title (in English)
Keyword(1) quantum dot array
Keyword(2) electron beam
Keyword(3) site control
Keyword(4) CaF_2
Keyword(5) Ga
1st Author's Name Marie Mochizuki
1st Author's Affiliation Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology()
2nd Author's Name Satoshi Yamada
2nd Author's Affiliation Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
3rd Author's Name Fumihito Hirabayashi
3rd Author's Affiliation Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
4th Author's Name Kazuo Tsutsui
4th Author's Affiliation Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
Date 2000/2/10
Paper # ED99-314,SDM99-207
Volume (vol) vol.99
Number (no) 618
Page pp.pp.-
#Pages 5
Date of Issue