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Successive Phase Transitions in (NH4)3H(SO4)2 and (ND4)3D(SO4)2 Crystals Studied by EPR of the VO2+ Ion and SeO Radical

✍ Scribed by J. Minge; S. Waplak


Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
703 KB
Volume
123
Category
Article
ISSN
0370-1972

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πŸ“œ SIMILAR VOLUMES


Crystal Structure of (NH4)4H2(SeO4)3 and
✍ A. PawΕ‚owski; A. Haznar πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 349 KB

The structure of (NH 4 ) 4 H 2 (SeO 4 ) 3 and (ND 4 ) 4 D 2 (SeO 4 ) 3 superionic crystals below 180 K determined by X-ray singlecrystal analysis is presented. The compounds have the following crystal data: (NH 4 ) 4 H 2 (SeO 4 ) 3 (T ‫؍‬ 140 K), triclinic, space group P-1, a ‫؍‬ 7.647(2) A s , b ‫؍

Reinvestigation of the structure of (ND4
✍ I Tamura; Y Noda; Y Morii πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 113 KB

The space group of (ND 4 ) 3 D(SO 4 ) 2 and (NH 4 ) 3 H(SO 4 ) 2 was reported in the literature to be A2/a at the room temperature phase. However, several new Bragg reflections which violated the extinction rule of the a-glide symmetry of the space group A2/a were found by neutron scattering experim