
TY  - JOUR
A1  - Delhez, R 
A1  - de Keijser, ThR 
A1  - Mittemeijer, EJ 
A1  - Langford, JI 
T1  - Size and Strain Parameters from Peak Profiles: Sense and Nonsense
JF  - Australian Journal of Physics
JO  - Aust. J.  Phys.
Y1  - 1988
VL  - 41
IS  - 2
SP  - 213
EP  - 228
KW  - 
UR  - https://doi.org/10.1071/PH880213 
N2  - In principle the analysis of positions and shapes of diffraction peak profiles can reveal the imperfect crystalline structure of a sample. The parameters 'size' and 'strain' as obtained from the established Warren-Averbach method need to be used cautiously: in essence the order-independent and order-dependent parts of the line broadening are determined. These require interpretation in terms of structure parameters, for which additional information must often be available. In a case of pure size and strain broadening the order-independent part of the broadening can be interpreted straightforwardly in terms of a size distribution, whereas the order-dependent part cannot readily be related to a specific state of strain. Recent progress in this area is discussed. Non-ideal standard specimens introduce systematic errors. Within the framework of the Warren-Averbach and the single-line Voigt methods, it is shown that this non-ideal situation introduces a constant error and that relative determinations of size and strain are feasible. 
ER  -

