A Mossbauer study of ternary compositions in the system Cu-Fe-Se: preliminary results.

G. P. Bernardini; G. Mazzetti; D. J. Vaughan

A Mossbauer study of ternary compositions in the system Cu-Fe-Se: preliminary results.

G. P. Bernardini, G. Mazzetti, D. J. Vaughan

Earth and Environmental Sciences - Academic & Research

Istituto di Mineralogia

Research output: Contribution to journal › Article › peer-review

Abstract

Spectroscopic study of two diselenide compositions (Cu,Fe)Se_2-x, differing slightly in M/Se ratio, showed Fe in only one site of the pyrite-like structure. Isomer shift values support the occurrence of low-spin Fe²⁺ in the octahedral sites. All the compositions centred around CuFeSe₂ show complex spectra believed to represent the onset of a magnetic ordering transition just below room T.-R.A.H.

Original language	English
Pages (from-to)	1407-1412
Number of pages	6
Journal	Rendiconti della Societa Italiana di Mineralogia e Petrologia
Volume	38
Issue number	3
Publication status	Published - 1983

Cite this

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title = "A Mossbauer study of ternary compositions in the system Cu-Fe-Se: preliminary results.",

abstract = "Spectroscopic study of two diselenide compositions (Cu,Fe)Se2-x, differing slightly in M/Se ratio, showed Fe in only one site of the pyrite-like structure. Isomer shift values support the occurrence of low-spin Fe2+ in the octahedral sites. All the compositions centred around CuFeSe2 show complex spectra believed to represent the onset of a magnetic ordering transition just below room T.-R.A.H.",

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AU - Mazzetti, G.

AU - Vaughan, D. J.

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AB - Spectroscopic study of two diselenide compositions (Cu,Fe)Se2-x, differing slightly in M/Se ratio, showed Fe in only one site of the pyrite-like structure. Isomer shift values support the occurrence of low-spin Fe2+ in the octahedral sites. All the compositions centred around CuFeSe2 show complex spectra believed to represent the onset of a magnetic ordering transition just below room T.-R.A.H.

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A Mossbauer study of ternary compositions in the system Cu-Fe-Se: preliminary results.

Abstract

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