EPSRC Reference: |
GR/M23724/01 |
Title: |
PUMP-PROBE STUDIES OF SPIN DYNAMICS IN THIN FILMS |
Principal Investigator: |
Hicken, Professor R |
Other Investigators: |
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Researcher Co-Investigators: |
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Project Partners: |
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Department: |
Physics |
Organisation: |
University of Exeter |
Scheme: |
Standard Research (Pre-FEC) |
Starts: |
11 January 1999 |
Ends: |
10 January 2002 |
Value (£): |
171,534
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EPSRC Research Topic Classifications: |
Magnetism/Magnetic Phenomena |
Materials Characterisation |
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EPSRC Industrial Sector Classifications: |
No relevance to Underpinning Sectors |
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Related Grants: |
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Panel History: |
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Summary on Grant Application Form |
I have recently established the feasibility of an optical pump-probe technique that can provide unique information about spin dynamics in nanoscale structures on picosecond time scales. I now request funding to purchase a laser system so that I may continue to apply the technique to some of the most challenging problems in magnetism today. Firstly I will study magnetisation reversal and thermal relaxation of the magnetisation of single domain particles in layered and granular materials. Secondly I will study processes of conduction electron spin relaxation in nanostructured films. Samples will be pumped either with a magnetic field pulse from an optically triggered photoconductive switch, or, directly with an optical pulse. They will be probed by means of the Magneto Optical Kerr rotation. This quantity is related to the instantaneous orientation of the sample magnetisation. A variety of high quality samples will be studied during the programme so that the research of a number of groups is drawn together and so that full advantage is taken of facilities at different institutions. The proposed research is highly relevant to the theme areas of Structured Films and Information Storage.
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Key Findings |
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Potential use in non-academic contexts |
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Impacts |
Description |
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Summary |
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Date Materialised |
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Sectors submitted by the Researcher |
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Project URL: |
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Further Information: |
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Organisation Website: |
http://www.ex.ac.uk |