Moessbauer study of Fe-substituted orthorhombic and tetragonal YBa#72Cu#73O#77#7d#I#8d#3#J system
In the slow-cooled YBa#72(Cu#71#7d#xFe#x)O#73O#77#7d#I#8d#J system, Fe substitutes equally well on two Cu sites (Cu(1) and Cu(2)). In quenched 1-2-3 compounds, Fe goes preferentially to the Cu(1) site. Fe substituting Cu(2) sites are in the high spin Fe#7#e#7Z state, substituting Cu(1) sites are in...
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| Veröffentlicht in: | Pramāṇa 1989-01, Vol.32 (5), p.L699-L703 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | In the slow-cooled YBa#72(Cu#71#7d#xFe#x)O#73O#77#7d#I#8d#J system, Fe substitutes equally well on two Cu sites (Cu(1) and Cu(2)). In quenched 1-2-3 compounds, Fe goes preferentially to the Cu(1) site. Fe substituting Cu(2) sites are in the high spin Fe#7#e#7Z state, substituting Cu(1) sites are in the Fe#7#e#7Z and Fe#7#?#7Z states in dynamic equilibrium. |
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| ISSN: | 0304-4289 |