Particle size distributions determined by a "multiangle" analysis of photon correlation spectroscopy data

Langmuir ◽  
1987 ◽  
Vol 3 (6) ◽  
pp. 1109-1113 ◽  
Author(s):  
P. G. Cummins ◽  
E. J. Staples
Keyword(s):  
Particle Size ◽  
Photon Correlation Spectroscopy ◽  
Correlation Spectroscopy ◽  
Size Distributions ◽  
Spectroscopy Data ◽  
Particle Size Distributions ◽  
Photon Correlation

scholarly journals On the use of two-time correlation functions for X-ray photon correlation spectroscopy data analysis

2017 ◽  
Vol 50 (2) ◽  
pp. 357-368 ◽  
Author(s):  
Oier Bikondoa
Keyword(s):  
Correlation Functions ◽  
Photon Correlation Spectroscopy ◽  
Time Correlation ◽  
Correlation Spectroscopy ◽  
Time Correlation Functions ◽  
Spectroscopy Data ◽  
Photon Correlation ◽  
X Ray ◽  
Equilibrium Processes ◽  
Time Correlations

Multi-time correlation functions are especially well suited to study non-equilibrium processes. In particular, two-time correlation functions are widely used in X-ray photon correlation experiments on systems out of equilibrium. One-time correlations are often extracted from two-time correlation functions at different sample ages. However, this way of analysing two-time correlation functions is not unique. Here, two methods to analyse two-time correlation functions are scrutinized, and three illustrative examples are used to discuss the implications for the evaluation of the correlation times and functional shape of the correlations.

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