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Magnetic phase diagram, critical behavior, and two-dimensional to three-dimensional crossover in the triangular lattice antiferromagnet RbFe(MoO4)(2)
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Svistov, L. E., Smirnov, A. I., Prozorova, L. A., Petrenko, Oleg, Micheler, A., Buettgen, N., Shapiro, A. Ya. and Demianets, L. N. (2006) Magnetic phase diagram, critical behavior, and two-dimensional to three-dimensional crossover in the triangular lattice antiferromagnet RbFe(MoO4)(2). PHYSICAL REVIEW B, 74 (2). doi:10.1103/PhysRevB.74.024412 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.74.024412
Abstract
We have studied the magnetic and thermodynamic properties as well as the NMR spectra of the quasi-two-dimensional (quasi-2D) Heisenberg antiferromagnet RbFe(MoO4)(2). The observed temperature dependence of the order parameter, the critical indices, and the overall magnetic H-T phase diagram are all in a good agreement with the theoretical predictions for a 2D XY model. The temperature dependence of the specific heat at low temperature demonstrates a crossover from a T (2) law characteristic of a two-dimensional antiferromagnet to a three-dimensional T (3) law. (c) 2006 American Institute of Physics.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW B | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 1098-0121 | ||||
Official Date: | July 2006 | ||||
Dates: |
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Volume: | 74 | ||||
Number: | 2 | ||||
Number of Pages: | 10 | ||||
DOI: | 10.1103/PhysRevB.74.024412 | ||||
Publication Status: | Published |
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