An energy competition of Co3+ and Co4+ ions during spin state transition in Ca3Co4O9 complex

An energy competition of Co3+ and Co4+ ions during spin state transition in Ca3Co4O9 complex

The magnetic behavior of Ca3Co4O9 complex shows a very interesting phase transition at high temperature. It is probably that this ordering is due to the spin states of Co3+ and Co4+ ions. It is quite obvious that spin states of Co ions generally change as a function of temperature. We have shown tha...

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Veröffentlicht in:Journal of physics. Conference series 2016-01, Vol.667 (1)
Hauptverfasser: Karaman, N, Bayri, A, Ekmekçi, S
Format: Artikel
Sprache:eng
Schlagworte:
High temperature
Magnetic properties
Oxidation
Phase transitions
Physics
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Zusammenfassung:The magnetic behavior of Ca3Co4O9 complex shows a very interesting phase transition at high temperature. It is probably that this ordering is due to the spin states of Co3+ and Co4+ ions. It is quite obvious that spin states of Co ions generally change as a function of temperature. We have shown that there is a strong correlation between oxidation states and ligand field parameters during spin state transitions.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/667/1/012008