Two stage magnetic ordering and spin idle behavior of the coordination polymer Co-3(OH)(2)(C4O4)(2)center dot 3H(2)O determined using neutron diffraction

R A Mole, J A Stride, P F Henry, M Hoelzel, A Senyshyn, A Alberola, C J G Garcia, Paul R Raithby, P T Wood

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18 Citations (Scopus)

Abstract

We report the magnetic structure of two of the magnetically ordered phases of Co-3(OH)(2)(C4O4)2 center dot 3H(2)O, a coordination polymer that consists of a triangular framework decorated with anisotropic Co(II) ions. The combination of neutron diffraction experiments and magnetic susceptibility data allows us to identify one phase as displaying spin idle behavior, where only a fraction of the moments order at intermediate temperatures, while at the lowest temperatures the system orders fully. This novel magnetic behavior is discussed within the framework of a simple Hamiltonian and representational analysis and rationalizes this multiphase behavior by considering the combination of frustration and anisotropy.
Original languageEnglish
Pages (from-to)2246-2251
Number of pages6
JournalInorganic Chemistry
Volume50
Issue number6
DOIs
Publication statusPublished - 21 Mar 2011

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