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Magnetic phase diagram of the antiferromagnetic pyrochlore Gd2Ti2O7
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UNSPECIFIED (2004) Magnetic phase diagram of the antiferromagnetic pyrochlore Gd2Ti2O7. PHYSICAL REVIEW B, 70 (1). -. doi:10.1103/PhysRevB.70.012402 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.70.012402
Abstract
Gd2Ti2O7 is a highly frustrated antiferromagnet on a pyrochlore lattice, where apart from the Heisenberg exchange the spins also interact via dipole-dipole forces. We report on low-temperature specific heat measurements performed on single crystals of Gd2Ti2O7 for three different directions of an applied magnetic field. The measurements reveal the strongly anisotropic behavior of Gd2Ti2O7 in a magnetic field despite the apparent absence of a significant single-ion anisotropy for Gd3+. The H-T phase diagrams are constructed for Hparallel to[111], Hparallel to[110], and Hparallel to[112]. The results indicate that further theoretical work beyond a simple mean-field model is required.
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 2004 | ||||
Dates: |
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Volume: | 70 | ||||
Number: | 1 | ||||
Number of Pages: | 4 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevB.70.012402 | ||||
Publication Status: | Published |
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