Thermal analysis of some polynuclear coordination compounds as precursors of iron garnets (M3Fe5O12, M=Y3+ or Er3+)
The thermal behaviour of four coordination compounds (NH 4 ) 6 [Y 3 Fe 5 (C 4 O 5 H 4 ) 6 (C 4 O 5 H 3 ) 6 ]·12H 2 O, (NH 4 ) 6 [Y 3 Fe 5 (C 6 O 7 H 10 ) 6 (C 6 O 7 H 9 ) 6 ]·8H 2 O, (NH 4 ) 6 [Er 3 Fe 5 (C 4 O 5 H 4 ) 6 (C 4 O 5 H 3 ) 6 ]·10H 2 O and (NH 4 ) 6 [Er 3 Fe 5 (C 4 O 6 H 4 ) 6 (C 4 O 6 H...
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| Veröffentlicht in: | Journal of thermal analysis and calorimetry 2008-04, Vol.92 (1), p.307-312 |
|---|---|
| Hauptverfasser: | , , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | The thermal behaviour of four coordination compounds (NH
4
)
6
[Y
3
Fe
5
(C
4
O
5
H
4
)
6
(C
4
O
5
H
3
)
6
]·12H
2
O, (NH
4
)
6
[Y
3
Fe
5
(C
6
O
7
H
10
)
6
(C
6
O
7
H
9
)
6
]·8H
2
O, (NH
4
)
6
[Er
3
Fe
5
(C
4
O
5
H
4
)
6
(C
4
O
5
H
3
)
6
]·10H
2
O and (NH
4
)
6
[Er
3
Fe
5
(C
4
O
6
H
4
)
6
(C
4
O
6
H
3
)
6
]·22H
2
O has been studied to evaluate their suitability for garnet synthesis. The thermal decomposition and the phase composition of the resulted decomposition compounds are influenced by the nature of metallic cations (yttrium-iron or erbium-iron) and ligand anions (malate or gluconate). |
|---|---|
| ISSN: | 1388-6150 1588-2926 1572-8943 |
| DOI: | 10.1007/s10973-007-8839-4 |