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Pattern formation and nonlinear evolution in alloy surfaces by ion-beam sputtering
DOI:10.1063/1.3625940.png)
摘要
En 中文
Nanoscale pattern formation on surfaces by ion beam sputtering is driven by the competition between the erosion and the diffusion processes. In alloys, these processes are component-dependent. We present a kinetic Monte Carlo model for sputtering of alloy surfaces which exhibits morphological ripples and compositional patterns. The evolution of the ripple amplitude shows a crossover from an early stage exponential growth to a later stage power-law growth. We also present a nonlinear dynamic model which shows both the crossover and the surface patterns, confirming the importance of nonlinear terms in understanding the dynamics of alloy sputtering. (C) 2011 American Institute of Physics. [doi:10.1063/1.3625940]
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期刊
IF:
3.6
论文数:
10.4W
被引数:
17.8W
机构
引用论文
Kinetic Monte Carlo simulations of ion-induced ripple formation: Dependence on flux, temperature, and defect concentration in the linear regime
PHYSICAL REVIEW B
IF3.7

