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Characterization of high-temperature phase transitions in single crystals of Steinbach tridymite

Authors :
Cellai, D.
Carpenter, M.A.
Wruck, B.
Salje, E.K.H.
Source :
American Mineralogist. July-August, 1994, Vol. 79 Issue 7-8, p606, 9 p.
Publication Year :
1994

Abstract

Differential scanning, calorimetric and X-ray single-crystal diffraction analysis of Steinbach tridymite between room temperature and 650 degrees Celsius under atmospheric pressure show the involvement of three phase transitions between 350 and 475 degrees Celsius. A model with O disorder explains the high-temperature transitions between 100 and 154 degrees Celsius. Steinbach tridymite exhibits an orthorhombic superstructure.

Details

ISSN :
0003004X
Volume :
79
Issue :
7-8
Database :
Gale General OneFile
Journal :
American Mineralogist
Publication Type :
Academic Journal
Accession number :
edsgcl.16109331