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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). -. 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 |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | PHYSICAL REVIEW B |
| Publisher: | AMERICAN PHYSICAL SOC |
| ISSN: | 1098-0121 |
| Date: | July 2004 |
| Volume: | 70 |
| Number: | 1 |
| Number of Pages: | 4 |
| Page Range: | - |
| Identification Number: | 10.1103/PhysRevB.70.012402 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/8171 |
Data sourced from Thomson Reuters' Web of Knowledge
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