Investigation of iron sulfides by γ-resonance Mössbauer spectroscopy

B. V. Borshagovskii, A. S. Marfunin, A. R. Mkrtchyan, R. A. Stukan, G. N. Nadzharyan

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3 Citations (Scopus)

Abstract

1. Nine minerals of iron, belonging to the class of complex iron sulfides, were studied by the method of γ resonance spectroscopy. 2. The data obtained indicate that in sphalerite, wurtzite, pentlandite, cubanite, stannite, and berthierite, iron exists in the Fe2+ state, while in chalcopyrites and bornite it exists in the Fe3+ state. 3. In similar structures, the value of the isomeric shift depends upon the coordination and valence state of the iron atom, so that δ[Fe2+(6)] > δ[Fe2+(4)] > δ[Fe3+(6)] > δ[Fe3+(4)]. 4. The nature of the Fe-S bond depends upon the structure of the second coordination sphere, and the ionic nature of the bond is the greatest in those cases when the sulfur atom is also bonded to the Sn4+ and Sb3+ atoms, which strongly attract the electron cloud of the sulfur ion. 5. The presence of a local magnetic field was detected in magnetically ordered systems.

Original languageEnglish
Pages (from-to)1197-1199
Number of pages3
JournalBulletin of the Academy of Sciences of the USSR Division of Chemical Science
Volume17
Issue number6
DOIs
Publication statusPublished - Jun 1968
Externally publishedYes

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Sulfides
Iron
Spectroscopy
Sulfur
Atoms
Minerals
Ions
Magnetic fields
Electrons

ASJC Scopus subject areas

  • Chemistry(all)

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Investigation of iron sulfides by γ-resonance Mössbauer spectroscopy. / Borshagovskii, B. V.; Marfunin, A. S.; Mkrtchyan, A. R.; Stukan, R. A.; Nadzharyan, G. N.

In: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, Vol. 17, No. 6, 06.1968, p. 1197-1199.

Research output: Contribution to journalArticle

Borshagovskii, B. V. ; Marfunin, A. S. ; Mkrtchyan, A. R. ; Stukan, R. A. ; Nadzharyan, G. N. / Investigation of iron sulfides by γ-resonance Mössbauer spectroscopy. In: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 1968 ; Vol. 17, No. 6. pp. 1197-1199.
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N2 - 1. Nine minerals of iron, belonging to the class of complex iron sulfides, were studied by the method of γ resonance spectroscopy. 2. The data obtained indicate that in sphalerite, wurtzite, pentlandite, cubanite, stannite, and berthierite, iron exists in the Fe2+ state, while in chalcopyrites and bornite it exists in the Fe3+ state. 3. In similar structures, the value of the isomeric shift depends upon the coordination and valence state of the iron atom, so that δ[Fe2+(6)] > δ[Fe2+(4)] > δ[Fe3+(6)] > δ[Fe3+(4)]. 4. The nature of the Fe-S bond depends upon the structure of the second coordination sphere, and the ionic nature of the bond is the greatest in those cases when the sulfur atom is also bonded to the Sn4+ and Sb3+ atoms, which strongly attract the electron cloud of the sulfur ion. 5. The presence of a local magnetic field was detected in magnetically ordered systems.

AB - 1. Nine minerals of iron, belonging to the class of complex iron sulfides, were studied by the method of γ resonance spectroscopy. 2. The data obtained indicate that in sphalerite, wurtzite, pentlandite, cubanite, stannite, and berthierite, iron exists in the Fe2+ state, while in chalcopyrites and bornite it exists in the Fe3+ state. 3. In similar structures, the value of the isomeric shift depends upon the coordination and valence state of the iron atom, so that δ[Fe2+(6)] > δ[Fe2+(4)] > δ[Fe3+(6)] > δ[Fe3+(4)]. 4. The nature of the Fe-S bond depends upon the structure of the second coordination sphere, and the ionic nature of the bond is the greatest in those cases when the sulfur atom is also bonded to the Sn4+ and Sb3+ atoms, which strongly attract the electron cloud of the sulfur ion. 5. The presence of a local magnetic field was detected in magnetically ordered systems.

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