Why does the second peak of pair correlation functions split in quasi- two-dimensional disordered films?
K Zhang and H Li and L Li and XF Bian, APPLIED PHYSICS LETTERS, 102, 071907 (2013).
Molecular dynamics simulation has been performed to study the splitting of the second peak in pair correlation functions of quasi-two- dimensional disordered film. A quasi-two-dimensional inhomogeneous structural model, which contains both crystal-like and disordered regions, supports the hypothesis that the splitting of the second peak is result of a statistical average of crystal-like and disordered structural regions in the system, not just the amorphous structure. The second-peak splitting can be viewed as a prototype of the crystal-like peak exhibiting distorted and vestigial features. (C) 2013 American Institute of Physics. http://dx.doi.org/10.1063/1.4793187
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