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Observation of two-dimensional spin fluctuations in the bilayer ruthenate Sr3Ru2O7 by inelastic neutron scattering
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UNSPECIFIED. (2003) Observation of two-dimensional spin fluctuations in the bilayer ruthenate Sr3Ru2O7 by inelastic neutron scattering. PHYSICAL REVIEW B, 67 (1). -. ISSN 1098-0121
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Official URL: http://dx.doi.org/10.1103/PhysRevB.67.012504
Abstract
We report an observation of two-dimensional incommensurate magnetic fluctuations in the layered metallic perovskite Sr3Ru2O7. The wave vectors where the magnetic fluctuations are strongest are different from those observed in the superconducting single layer ruthenate Sr2RuO4 and appear to be determined by Fermi surface nesting. No antiferromagnetic ordering is observed for temperatures down to 1.5 K. For temperatures Tgreater than or similar to20 K, the fluctuations become predominately ferromagnetic. Our inelastic neutron scattering measurements provide concrete evidence of the coexistence of competing interactions in Sr3Ru2O7 and of the low-energy scale of the fluctuations.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | PHYSICAL REVIEW B |
| Publisher: | AMERICAN PHYSICAL SOC |
| ISSN: | 1098-0121 |
| Date: | 1 January 2003 |
| Volume: | 67 |
| Number: | 1 |
| Number of Pages: | 4 |
| Page Range: | - |
| Identification Number: | 10.1103/PhysRevB.67.012504 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/10032 |
Data sourced from Thomson Reuters' Web of Knowledge
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