Derivative Difference Minimization

2005-01-20 Thread Leonid Solovyov
Dear Rietveld/SDPD users: The Derivative Difference Minimization (DDM) program is now freely available via the web: http://krsk.info/icct/en/cont/persons/sol/ddm.html The program is designed for crystal structure analysis from powder diffraction data by making use of either Rietveld or Derivat

BVS parameters at non-ambient conditions?

2005-01-20 Thread Maxim V. Lobanov
Dear colleagues, I am just wondering if there is any way to correct BVS (bond valence sum) parameters (R0 and B) to do calculations at non-ambient conditions (low-T, high-T). Sincerely, Maxim. ___ Maxim V. Lobanov <[EMAIL PROTECTED]> Department of Materials Scien