Dear all,
I too have posed style similar questions to Arnt Kern at Bruker.
He pointed me to amongst other sources Wikipedia for a general
background in this topic.
However Im still keen to get a better understanding of
use/parameterisation within Topas and I too welcome any contributions to
this
Hi Xiujun Tim,
while I am not familiar with the texture analysis offered in Topas, I can
offer a few hopefully useful hints.
- The texture index is a number that is 1 for a perfectly random sample and
infinity for a single crystal. A weak texture would have an index between say
1 and 1.5, a
Hi Xiujun
Topas implements a normalized symmetrized sperical harmonics function, see
Jarvine
J. Appl. Cryst. (1993). 26, 525-531
http://scripts.iucr.org/cgi-bin/paper?S0021889893001219
The expansion is simply a series that is a function hkl values.
The series is normalized
