Low Dimensional Magnetism in the Molecular Magnet Cu(pz)2(ClO4)2.
F.M. Woodward1, C.P. Landee2, M.M. Turnbull3
NIST Center for Neutron Research1, Clark University Physics Department2, Clark University Physics Department3
Cu(pz)2(ClO4)2 belongs to a family of compounds composed of magnetic Cu2+ ions linked by pyrazine molecular units forming Cu-pz layered materials. Magnetic susceptibility, isothermal magnetization, electron spin resonance, and neutron scattering data indicate that the molecular magnet, Cu(pz)2(ClO4)2, exhibits a low dimensional antiferromagnetic character, conforming to the two dimensional Heisenberg antiferromagnetic model, with a moderate exchange strength (J = -18 K). The neutron diffraction investigation of Cu(pz)2(ClO4)2 determines the interactions which drive the systems from a two to a three dimensional antiferromagnetic phase.
F. Matthew Woodward
NIST Center for Neutron Research
Building 235, Room A124
301 975 6442
301 921 9847
not a Sigma Xi member.
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