Mössbauer Spectra of (NH 4 ) 2 Sb  x  Sn 1− x  Cl 6  Crystals | Zendy

Yu. Aleksandrov A. | Zendy; Ionova G. V. | Zendy; Ionov S. P. | Zendy; Baltrunas D. A. | Zendy; Makarov E. F. | Zendy

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Mössbauer Spectra of (NH 4 ) 2 Sb x Sn 1− x Cl 6 Crystals

Author(s) -

Yu. Aleksandrov A.,

Ionova G. V.,

Ionov S. P.,

Baltrunas D. A.,

Makarov E. F.

Publication year - 1974

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220620136

Subject(s) - valence (chemistry) , ion , crystallography , spectral line , mössbauer spectroscopy , crystal structure , materials science , crystal (programming language) , chemistry , physics , organic chemistry , astronomy , computer science , programming language

Mössbauer spectra of mixed (NH 4 ) 2 Sb x Sn 1− x Cl 6 crystals with x = 0.02, 0.06, 0.08, 0.19, 0.24, and 0.28 were investigated in the temperature range 77 to 150 K. On the basis of the obtained data a packing model of the mixed crystals is proposed. A transition is found in the crystal with x = 0.28: below a critical temperature region Sb 3+ and Sb 5+ ions are ordered and above they have the average valence of Sb 4+ . This transition is interpreted on the basis of the co‐operative interaction of electron pairs.

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