Microscopic model for the magnetization plateaus in
- 14 November 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 68 (18) , 180403
- https://doi.org/10.1103/physrevb.68.180403
Abstract
A simple model consisting of three distinct dimer sublattices is proposed to describe the magnetism of It explains the occurrence of magnetization plateaus only at 1/4 and 3/4 of the saturation magnetization. The field dependence of the excitation modes observed by electron-spin-resonance measurements is also explained by the model. The model predicts that the magnetization plateaus should disappear under high pressure.
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