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Quantitative approach to temporal diffraction from stepped surfaces
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DOI：10.1103/PhysRevB.61.2997.png)
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摘要
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We demonstrate how quantitative information on surface kinetics can be obtained from the intensity fluctuations in a diffraction experiment. As an example we have calculated the diffraction intensity time autocorrelation function from a surface consisting of fluctuating steps. Two different rate limiting atomic processes are considered as the source of the fluctuations. We show that the mechanism for equilibrium of a step can be distinguished by the characteristic time decay of the diffraction intensity autocorrelation function. In addition we discuss limits on experimental parameters necessary to observe the diffraction fluctuations.
Keyword:
ENERGY-ELECTRON-DIFFRACTION
BROWNIAN-MOTION
FLUCTUATIONS
DYNAMICS
KINETICS
SI(111)
THERMODYNAMICS
SPECTROSCOPY
GROWTH
EDGE
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期刊
IF:
3.7
论文数:
15.4W
被引数:
41.0W
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