標題: Effect of diatomic islands on step morphological stability of a terrace edge in molecular beam epitaxy
作者: Lin, SP
Hwang, CC
Chu, HS
機械工程學系
Department of Mechanical Engineering
關鍵字: molecular beam epitaxy (MBE);nucleation;surface diffusion;surface morphology
公開日期: 29-Sep-1999
摘要: The effect of two-dimensional diatomic-island nucleation on the linear stability of the step morphology during molecular beam epitaxy is investigated numerically via shooting methods. It is found that the effect of diatomic islands on the step morphological stability is significant. The greater the effects of diatomic islands, the more stable the step morphology. increasing capture efficiency can decrease the critical surface capillary length and shift the critical wave number toward short-wavelength regimes. The unstable region is shrunk with increasing capture efficiency. Further, increasing flux coverage and/or surface coverage can decrease the critical surface capillary length and shift the critical wave number toward short-wavelength regimes. (C) 1999 Elsevier Science S.A. All rights reserved.
URI: http://dx.doi.org/10.1016/S0040-6090(99)00325-9
http://hdl.handle.net/11536/31080
ISSN: 0040-6090
DOI: 10.1016/S0040-6090(99)00325-9
期刊: THIN SOLID FILMS
Volume: 353
Issue: 1-2
起始頁: 174
結束頁: 181
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