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Phonon features of some PbFCl-type compounds

โœ Scribed by Y. Dossmann; R. Kuentzler; M. Sieskind; D. Ayachour


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
201 KB
Volume
72
Category
Article
ISSN
0038-1098

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๐Ÿ“œ SIMILAR VOLUMES


Structural Considerations and Polarizati
โœ M. Sieskind; J. Morel ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 262 KB

Some ionic compounds MXY of the matlockite family (PbFCl) are characterized by the symmetry of the anions X and Y surroundings. If the cage around the ions X and Y are regular, the crystal is said to be 99regular:: and these conditions of symmetry give four equations adequate to compute the lattice