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Neutron polarisation analysis of the magnetic ordering of the quasi-two-dimensional honeycomb network d(20)-(P(C6D5)(4)) (FeFeIII)-Fe-II(C2O4)(3)
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UNSPECIFIED (1999) Neutron polarisation analysis of the magnetic ordering of the quasi-two-dimensional honeycomb network d(20)-(P(C6D5)(4)) (FeFeIII)-Fe-II(C2O4)(3). In: 2nd Workshop on Polarised Neutrons for Condensed Matter Investigations (PNCMI'98), INST LAUE LANGEVIN, CHADWICK AMPHITHEATER, GRENOBLE, FRANCE, SEP 21-23, 1998. Published in: PHYSICA B-CONDENSED MATTER, 267 pp. 266-269. ISSN 0921-4526.
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Abstract
The crystal structure of AM(II)M(III)(oxalate)(3) class of materials, with M being a transition metal ion, shows an alternating order of the M-II and M-III magnetic ions on a honeycomb lattice. In (P(C6D5)(4))FeFe(ox)(3) no long-range magnetic order has been observed but instead a diffuse magnetic component is present below 35 It. XYZ neutron spin polarisation analysis has been used to separate the magnetic scattering from the nuclear-coherent and spin-incoherent contribution. The magnetic elastic as well as the quasi-elastic magnetic scattering profile can be obtained unambigiously. In (P(C6D5)(4))FeFe(ox)(3) no long-range magnetic order exists, due to the random anisotropy effects introduced by the different electronic configurations of the Fe2+ and Fe3+ ions. A comparison with the long-range magnetic ordering observed in (P(C6D5)(4))MnFe(ox)(3) is made. (C) 1999 Elsevier Science B.V. All rights reserved.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICA B-CONDENSED MATTER | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0921-4526 | ||||
Official Date: | June 1999 | ||||
Dates: |
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Volume: | 267 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 266-269 | ||||
Publication Status: | Published | ||||
Title of Event: | 2nd Workshop on Polarised Neutrons for Condensed Matter Investigations (PNCMI'98) | ||||
Location of Event: | INST LAUE LANGEVIN, CHADWICK AMPHITHEATER, GRENOBLE, FRANCE | ||||
Date(s) of Event: | SEP 21-23, 1998 |
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