学術雑誌論文 Fabrication and evaluation of series-triple quantum dots by thermal oxidation of silicon nanowire

Uchida, Takafumi  ,  Jo, Mingyu  ,  Tsurumaki-Fukuchi, Atsushi  ,  Arita, Masashi  ,  Fujiwara, Akira  ,  Takahashi, Yasuo

5 ( 11 ) 2015-11 , American Institute of Physics (AIP)
ISSN:2158-3226
内容記述
Series-connected triple quantum dots were fabricated by a simple two-step oxidation technique using the pattern-dependent oxidation of a silicon nanowire and an additional oxidation of the nanowire through the gap of the fine gates attached to the nanowire. The characteristics of multi-dot single-electron devices are obtained. The formation of each quantum dot beneath an attached gate is confirmed by analyzing the electrical characteristics and by evaluating the gate capacitances between all pairings of gates and quantum dots. Because the gate electrode is automatically attached to each dot, the device structure benefits from scalability. This technique promises integrability of multiple quantum dots with individual control gates. (C) 2015 Author(s).
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http://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/60524/1/1.4936563.pdf

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