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Brillouin scattering in (NH4)2ZnCl4 above room temperature

✍ Scribed by A.M. Gillet; Y. Luspin; G. Hauret

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
247 KB
Volume
64
Category
Article
ISSN
0038-1098

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πŸ“œ SIMILAR VOLUMES

Non-crystallographic symmetries in the s
Non-crystallographic symmetries in the superstructure of (NH4)2ZnCl4
✍ doc. dr hab. J. Warczewski πŸ“‚ Article πŸ“… 1980 πŸ› John Wiley and Sons 🌐 English βš– 359 KB πŸ‘ 1 views

## Abstract The modulation vector turned out to be equal 1/4. The lattice constants of the orthorhombic superstructure are determined: __a__ = 12.6197(16) Γ…, __b__ = 7.2107(81) Γ…, __c__ = 4 Γ— 9.2746(15) Γ…. The two of the four absences rules are interpreted as corresponding to the non‐crystallograph