Molecular-based mixed valency ferrimagnets (XR4)FeIIFeIII(C2O4)3(X = N, P; R =,n-propyl, n-butyl, phenyl): anomalous negative magnetisation in the tetra-n-butylammonium derivative

Corine Mathonière; Simon G. Carling; Dou Yusheng; Peter Day

doi:10.1039/C39940001551

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Molecular-based mixed valency ferrimagnets (XR₄)Fe^IIFe^III(C₂O₄)₃(X = N, P; R =,n-propyl, n-butyl, phenyl): anomalous negative magnetisation in the tetra-n-butylammonium derivative

Corine Mathonière, Simon G. Carling, Dou Yusheng and Peter Day

Abstract

The phases AFe^IIFe^III(C₂O₄)₃(A = NPrⁿ₄; NBuⁿ₄; PPh₄) have been synthesised and characterised chemically, structurally and magnetically; they behave as ferrimagnets, but the tetrabutylammonium salt shows a highly unusual negative magnetisation at low temperature.

This article is part of the themed collection: In memory of Peter Day

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DOI: https://doi.org/10.1039/C39940001551
Article type: Paper

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J. Chem. Soc., Chem. Commun., 1994, 1551-1552

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Molecular-based mixed valency ferrimagnets (XR₄)Fe^IIFe^III(C₂O₄)₃(X = N, P; R =,n-propyl, n-butyl, phenyl): anomalous negative magnetisation in the tetra-n-butylammonium derivative

C. Mathonière, S. G. Carling, D. Yusheng and P. Day, J. Chem. Soc., Chem. Commun., 1994, 1551 DOI: 10.1039/C39940001551

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Journal of the Chemical Society, Chemical Communications

Molecular-based mixed valency ferrimagnets (XR₄)Fe^IIFe^III(C₂O₄)₃(X = N, P; R =,n-propyl, n-butyl, phenyl): anomalous negative magnetisation in the tetra-n-butylammonium derivative

Abstract

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Molecular-based mixed valency ferrimagnets (XR₄)Fe^IIFe^III(C₂O₄)₃(X = N, P; R =,n-propyl, n-butyl, phenyl): anomalous negative magnetisation in the tetra-n-butylammonium derivative

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