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  Observation of two-dimensional spin fluctuations in the bilayer ruthenate Sr3Ru2O7 by inelastic neutron scattering

Capogna, L., Forgan, E. M., Hayden, S. M., Wildes, A., Duffy, J. A., Mackenzie, A. P., et al. (2003). Observation of two-dimensional spin fluctuations in the bilayer ruthenate Sr3Ru2O7 by inelastic neutron scattering. Physical Review B, 67(1): 012504, pp. 1-4. doi:10.1103/PhysRevB.67.012504.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-EFDA-2 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-EFDC-D
Genre: Journal Article

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 Creators:
Capogna, L.1, Author
Forgan, E. M.1, Author
Hayden, S. M.1, Author
Wildes, A.1, Author
Duffy, J. A.1, Author
Mackenzie, A. P.2, Author           
Perry, R. S.1, Author
Ikeda, S.1, Author
Maeno, Y.1, Author
Brown, S. P.1, Author
Affiliations:
1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 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.

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 Dates: 2003-01-31
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000180830400020
DOI: 10.1103/PhysRevB.67.012504
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Title: Physical Review B
  Other : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 67 (1) Sequence Number: 012504 Start / End Page: 1 - 4 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008