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Relationships between the crystal chemistry and magetic properties of Np5+ sulfates

Published online by Cambridge University Press:  26 February 2011

Tori Z. Forbes ,
Peter C. Burns ,
L. Soderholm  and
S. Skanthakumar
Tori Z. Forbes
Affiliation:
pburns@nd.edu, University of Notre Dame, Department of Civil Engineering and Geological Sciences, 156 Fitzpatrick Hall, Notre Dame, IN, 46556, United States
Peter C. Burns
Affiliation:
pburns@nd.edu, University of Notre Dame, Civil Engineering and Geological Sciences, United States
L. Soderholm
Affiliation:
LS@anl.gov, Argonne National Laboratory, Chemistry Division, United States
S. Skanthakumar
Affiliation:
skantha@anl.gov, Argonne National Laboratory, Chemistry Division, United States
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Abstract

Np5+ sulfate compounds were synthesized using hydrothermal methods and their structures were determined using single crystal X-ray diffraction. Several compounds were found to contain cation-cation interactions between the Np polyhedra. Magnetic susceptibility measurements of two Np5+ sulfate compounds containing cation-cation interactions exhibit ferromagnetic ordering. The presence of the cation-cation interactions may provide a superexchange pathway through which magnetic interactions can be enhanced.

Keywords

actinidestructuralmagnetic properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 893: Symposium JJ – Actinides 2005 – Basic Science, Applications and Technology , 2005 , 0893-JJ09-02
Copyright
Copyright © Materials Research Society 2006

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