Non-Idle-Spin Behavior and Field-Induced Magnetic Transitions of the Triple Chain Magnet Cu3(OH)4SO4

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概要

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• The magnetic properties of the triple chain magnet system Cu3(OH)4SO4 were examined by evaluating the spin exchange constants, the Dzyaloshinskii--Moriya (DM) vectors, and the magnetic anisotropy energies of the Cu(1) and Cu(2) sites on the basis of density functional calculations. Our work shows that Cu3(OH)4SO4 is not an idle-spin magnet, the Cu(1) spins have a strong antiferromagnetic coupling in the Cu(1) chain, and the Cu(2) spin arrangements of a Cu(2)--Cu(1)--Cu(2) triple chain result from the presence of two non-equivalent sets of antiferromagnetic interactions between the Cu(1) and Cu(2) chains. The probable spin arrangements of a triple chain as well as the magnetic energy terms responsible for the field-induced successive magnetic transitions were identified.

• 2012-06-15

著者

• Koo Hyun-Joo

  Department of Chemistry and Research Institute for Basic Sciences, Kyung Hee University, Seoul 130-701, Republic of Korea

• KREMER Reinhard

  Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany

• WHANGBO Myung-Hwan

  Department of Chemistry, North Carolina State University, Raleigh, NC 27695, U.S.A.

• Kremer Reinhard

  Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany

関連論文

• A Magnetic Transition Probed by the Ce Ion in Square-Lattice Antiferromagnet CeMnAsO
• Non-Idle-Spin Behavior and Field-Induced Magnetic Transitions of the Triple Chain Magnet Cu3(OH)4SO4

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