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Computer modelling of structure and thermal expansion of β-quartz-and keatite-type aluminosilicates

✍ Scribed by G. Müller; M. Sternitzke

Book ID
105396637
Publisher
Springer
Year
1993
Tongue
English
Weight
264 KB
Volume
12
Category
Article
ISSN
0261-8028

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Crystal structure and thermal expansion
Crystal structure and thermal expansion of α‐quartz SiO2 at low temperatures
✍ Lager, G. A.; Jorgensen, J. D.; Rotella, F. J. 📂 Article 📅 1982 🏛 American Institute of Physics 🌐 English ⚖ 584 KB

The crystal structure of α-SiO2 (low quartz) has been refined at 296, 78, and 13 K from time-of-flight neutron powder diffraction data. The major effect of temperature from 296 to 78 K is a nearly rigid body rotation of the SiO4 tetrahedra. Below 78 K, tetrahedral rotation is substantially reduced g