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Colloids and Surfaces A: Physicochemical and Engineering Aspects 174 (2000) 113119
 

Summary: Colloids and Surfaces
A: Physicochemical and Engineering Aspects 174 (2000) 113119
Statistical study of two-dimensional colloidal crystals based
on microscopic images and optical diffraction
Bing Li a
, Ivan Avrutsky a
, Yang Zhao a
, Guangzhao Mao b,
*
a
Department of Electrical and Computer Engineering, Wayne State Uni6ersity, 5050 Anthony Wayne Dri6e, Detroit,
MI 48202, USA
b
Department of Chemical Engineering and Materials Science, Wayne State Uni6ersity, 5050 Anthony Wayne Dri6e, Detroit,
MI 48202, USA
Abstract
Through the direct measurement on the microscopic image of a two-dimensional (2-D) colloidal polycrystalline
array, the statistical distribution profiles of the crystalline grain size and the defect density were determined. At the
same time, an optical diffraction analysis method was developed to extract the mean values of these two parameters
from the measured diffraction pattern. Results from the two methods were compared. We found that both parameters

  

Source: Avrutsky, Ivan - Department of Electrical and Computer Engineering, Wayne State University

 

Collections: Engineering