Re: GaN c-parameter

[S. Gierlotka]

On Tue, 6 Mar 2001 [EMAIL PROTECTED] wrote:

> Have a documented c-value of 5.178A for stoichiometric, hexagonal  GaN (PDF 
> card #2-1078); can anybody confirm this value and its uncertainty or are 
> there updated and/or more precise c-values for GaN (Ga:N=1) available?
> 
> L. Keller
> 
We have done Rietveld refinement on GaN powder obtained by grinding single
crystals and the results were the following:
a=3.1843(5) c=5.1746(8)

Stan
[EMAIL PROTECTED]