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Magnetism and EPR spectra of the two‐sublattice manganese chain Mn2(EDTA)⋅9H2O

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Magnetism and EPR spectra of the two‐sublattice manganese chain Mn2(EDTA)⋅9H2O

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dc.contributor.author Borrás Almenar, Juan José
dc.contributor.author Coronado Miralles, Eugenio
dc.contributor.author Gómez García, Carlos José
dc.contributor.author Gatteschi, S.
dc.contributor.author Zanchini, C.
dc.date.accessioned 2010-06-08T10:05:37Z
dc.date.available 2010-06-08T10:05:37Z
dc.date.issued 1990
dc.identifier.citation BORRAS ALMENAR, J.J. ; CORONADO, E. ; GÓMEZ GARCÍA, C.J. ; GATTESCHI, D. ; ZANCHINI, C. Magnetism and EPR spectra of the two‐sublattice manganese chain Mn2(EDTA)⋅9H2O. En: Journal of Applied Physics, 1990, vol. 67, no. 9 en
dc.identifier.uri http://hdl.handle.net/10550/12877
dc.description.abstract We report on the magnetic behavior and single‐crystal EPR spectra of the chain complex Mn2(EDTA)⋅9H2O characterized by two different alternating sites for the manganese ions. Magnetic susceptibility data are indicative of weak antiferromagnetic exchange interactions between the manganese ions, showing a maximum of about 3 K. This behavior can be accurately described on the basis of a Heisenberg chain model that assumes classical spins, giving J/k=−0.72 K and g=2.0. The EPR spectra are typically low dimensional, with an angular dependence of the linewidth of the type (3 cos2 θ−1)n (n=4/3 or 2). Nevertheless, such a behavior cannot be reproduced from a one‐dimensional model with dipolar broadening. An alternative broadening mechanism arising from single‐ion zero‐field splitting is then suggested. en_US
dc.language.iso en en
dc.subject Electron Spin Resonance ; Manganese Complexes ; Edta ; Exchange Interactions ; Magnetic Susceptibility ; Line Widths ; One−Dimensional Calculations ; Hydrates en
dc.title Magnetism and EPR spectra of the two‐sublattice manganese chain Mn2(EDTA)⋅9H2O en
dc.type journal article es_ES
dc.subject.unesco UNESCO::FÍSICA en
dc.identifier.doi 10.1063/1.346045 en
dc.type.hasVersion VoR es_ES
dc.identifier.url http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=JAPIAU000067000009006006000001&idtype=cvips&prog=normal&doi=10.1063/1.346045 en

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