NDLI: The structure of superionic compounds by powder neutron diffraction. I. Cation distribution in α-AgI

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The structure of superionic compounds by powder neutron diffraction. I. Cation distribution in α-AgI

Content Provider	Scilit
Author	Wright, A. F. Fender, B. E. F.
Copyright Year	1977
Description	Journal: Journal of Physics C: Solid State Physics A powder neutron diffraction study of alpha -AgI has been carried out at several temperatures between 180 degrees C and 450 degrees C. The results do not support the widely quoted model for the distribution of silver ions originally proposed by Strock (1934-36) but instead indicate the silver ions are confined to the twelve tetrahedral sites of the body-centred cubic structure. Remarkably large temperature factors are observed and it is postulated that there is a large anharmonic contribution to the thermal vibrations arising from a reduced energy barrier in the direction of the octahedral sites.
Related Links	http://iopscience.iop.org/article/10.1088/0022-3719/10/13/003/pdf
Ending Page	2267
Page Count	7
Starting Page	2261
ISSN	00223719
DOI	10.1088/0022-3719/10/13/003
Journal	Journal of Physics C: Solid State Physics
Issue Number	13
Volume Number	10
Language	English
Publisher	IOP Publishing
Publisher Date	1977-07-14
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics C: Solid State Physics Characterization and Testing of Materials Neutron Diffraction
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Condensed Matter Physics Engineering

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