Strontium deficient feldspar – structure and X – ray powder diffraction line broadening analysis by B. Nedic, A. Kremenovic, V. Dondur, and R. Dimitrijevic

Crystal Research and Technology

Cryst. Res. Technol. 43, 266 (2008) - Abstract -

Strontium deficient feldspar – structure and X – ray powder diffraction line broadening analysis

B. Nedic, A. Kremenovic*, V. Dondur, and R. Dimitrijevic*

Faculty of Physical Chemistry, University of Belgrade, Studentski Trg 12-16, 11000 Belgrade, Serbia_{*Faculty of Mining and Geology, University of Belgrade, Djušina 7, 11000 Belgrade, Serbia

Keywords Sr-feldspar, deficient structure, vacancy, micro strain analysis
PACS 61.10.-i, 82.33.Jx
DOI 10.1002/crat.200710974}

Vacant Sr-feldspar was synthesized by thermal transformation of FAU zeolite and the structure was refined (space group I2/c). Two refinement procedures were performed: with and without micro strain modelling. Reliable structure model was achieved only with including micro strain modelling. Vacancies in the Sr²⁺ positions produce micro strain. The concentration of vacancies was the highest along [011] direction.

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Keywords	Sr-feldspar, deficient structure, vacancy, micro strain analysis
PACS	61.10.-i, 82.33.Jx
DOI	10.1002/crat.200710974