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Characterization of the high-temperature modifications of incommensurate tridymite L3-To(MX-1) from 25 to 250∑C
Characterization high-temperature modifications incommensurate tridymite L3-To(MX-1)
2012/4/1
Incommensurate tridymite L3-TO(MX-1) shows a cascade of five phase transitions at 65,110, 150, 200, and 380 8C upon heating. The X-ray diffraction patterns were investigated with a Buerger precession ...
Tem and X-Ray Diffraction Evidence for Cristobalite and Tridymite Stacking Sequences in Opal
Opal Transmission Electron Microscopy X-Ray Diffraction
2011/12/27
Abstract: In an attempt to resolve the structure of opal-CT and opal-C more precisely, 24 opal samples from bentonites, Fuller's Earths, zeolite tufts, biogenic silicas and silicified kaolins have bee...
In situ 29Si MAS NMR studies of structural phase transitions of tridymite
situ 29Si MAS NMR studies phase transitions tridymite
2012/4/5
The structural phase transitions ofmonoclinic tridymite that occur at elevated temper-atures, as wellas the structure of the high-temperature modifications, have been studied by 29SiMASNMR. The sample...