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Field dependent anisotropy change in a supramolecular Mn(II)-[3x3] grid

Condensed Matter 2009-11-07 v1
Authors: Oliver Waldmann , L. Zhao , L. K. Thompson
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Abstract

The magnetic anisotropy of a novel Mn(II)-[3x3] grid complex was investigated by means of high-field torque magnetometry. Torque vs. field curves at low temperatures demonstrate a ground state with S > 0 and exhibit a torque step due to a field induced level-crossing at B* \approx 7.5 T, accompanied by an abrupt change of magnetic anisotropy from easy-axis to hard-axis type. These observations are discussed in terms of a spin Hamiltonian formalism.

Keywords

magnetic anisotropy Mn(II) grid complex torque magnetometry field-induced level crossing spin Hamiltonian

Cite

@article{arxiv.cond-mat/0201090,
  title  = {Field dependent anisotropy change in a supramolecular Mn(II)-[3x3] grid},
  author = {Oliver Waldmann and L. Zhao and L. K. Thompson},
  journal= {arXiv preprint arXiv:cond-mat/0201090},
  year   = {2009}
}

Comments

4 pages, 4 figures, to be published in Phys. Rev. Lett

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