Kinetic Monte Carlo simulations of optimization of self-assembly quantum rings growth strategy based on substrate engineering

doi:10.1088/1674-1056/22/4/046801

Abstract In this paper, the kinetic Monte Carlo simulations of the self-assembly quantum rings (QRs) based on the substrate engineering, which is related to the eventual shape of the formed quantum ring, are implemented. According to the simulation results, the availability of the QR with tunable size and the formation of smooth shape on the ideal flat substrate are checked. Through designing the substrate engineering, i.e., changing the depth, the separation and the ratio between the radius and the height of the embedded inclusions, the position and size of QR can be controlled and eventually the growth strategy of optimizing the self-assembly QRs is accomplished.

Keywords: quantum rings kinetic Monte Carlo self-assembly substrate engineering

Received: 14 July 2012
Revised: 13 October 2012
Accepted manuscript online:

PACS:	68.55.ag	(Semiconductors)
	81.10.Aj	(Theory and models of crystal growth; physics and chemistry of crystal growth, crystal morphology, and orientation)
	81.16.Dn	(Self-assembly)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 60908028 and 60971068), the Program for New Century Excellent Talents in University, China (Grant No. NTCE-10-0261), and the Chinese Universities Science Fund (Grant No. 2011RC0402).

Corresponding Authors: Yu Zhong-Yuan
E-mail: yuzhongyuan30@gmail.com

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Liu Jian-Tao (刘建涛), Feng Hao (冯昊), Yu Zhong-Yuan (俞重远), Liu Yu-Min (刘玉敏), Shi Qiang (石强), Song Xin (宋鑫), Zhang Wen (张文), Peng Yi-Wei (彭益炜) Kinetic Monte Carlo simulations of optimization of self-assembly quantum rings growth strategy based on substrate engineering 2013 Chin. Phys. B 22 046801

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Kinetic Monte Carlo simulations of optimization of self-assembly quantum rings growth strategy based on substrate engineering

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