| EPSRC Reference: |
GR/M33785/01 |
| Title: |
SPIN EXCITATIONS IN UNCONVENTIONAL SUPERCONDUCTORS |
| Principal Investigator: |
Hayden, Professor S |
| Other Investigators: |
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| Researcher Co-Investigators: |
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| Project Partners: |
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| Department: |
Physics |
| Organisation: |
University of Bristol |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 March 1999 |
Ends: |
31 August 2002 |
Value (£): |
124,990
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| EPSRC Research Topic Classifications: |
| Materials Characterisation |
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| EPSRC Industrial Sector Classifications: |
| Electronics |
Energy |
| No relevance to Underpinning Sectors |
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| Panel History: |
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Summary on Grant Application Form |
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We propose to investigate the spin excitations in high-temperature and related superconductors by neutronscattering. The motivation is to understand the nature and mechanism of superconductivity in these materials. Our recent work has shown that lightly doped YBa2Cu306+x and optimally doped La2-xSrxCu04 both show strong spin fluctuations in superconducting state. The magnetic correlations in both materials show many of the characteristics of metal close to a magnetic instability. While we have made much progress in recently, a number of important questions remain unanswered. These include the following:(a) What is the nature of the full spin-fluctuation spectrum in YBa2Cu306+x particularly at optimal doped ?(b) What is the nature of the spin-fluctuation spectrum at intermediate energies La2xSrxCu04 ?(c) At what energy and wavevectors in the missing excitations in the parent compound La2Cu04 ?(d) Are there spin fluctuations in the p-wave superconductor Sr2Ru04 ?
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.bris.ac.uk |