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Details of Grant 

EPSRC Reference: GR/S51288/01
Title: Thermally activated processes and domain wall magnetoelectronic interactions in magnetic nanostructures
Principal Investigator: Atkinson, Professor D
Other Investigators:
Researcher Co-Investigators:
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Department: Physics
Organisation: Durham, University of
Scheme: Advanced Fellowship (Pre-FEC)
Starts: 31 March 2004 Ends: 30 March 2009 Value (£): 233,660
EPSRC Research Topic Classifications:
Magnetism/Magnetic Phenomena Materials Characterisation
EPSRC Industrial Sector Classifications:
Electronics
Related Grants:
Panel History:
Panel DatePanel NameOutcome
19 May 2003 Physics Advanced Fellowships Interview Panel Deferred
23 Apr 2003 physics fellowships Sift 2003 Deferred
Summary on Grant Application Form
Two fundamental and technologically relevant aspects of magnetization behaviour are increasingly important for understanding the behaviour of magnetic structures with nanoscale dimensions. Firstly, the continual push of electronics technology to lower power and higher operating frequencies drives a need to understand the stochastic nature and controlling factors of magnetization reversal at ultra short time scales. Secondly, rapid developments in the physics of magnetic and electrical interactions in electron-spin devices have highlighted the need for a deeper understanding of the interaction of magnetic domain walls with electric current as the potential for domain walls to act as boundaries in spin-dependent devices grows.These important aspects of magnetization behaviour are addressed by this fellowship proposal. Drawing on expertise in pulsed power a flexible state-of-the-art system capable of producing ultra short duration (less than 1 ns) magnetic field or current pulses will be built. By combining this system with state-of- the-art laser-based magneto-optic Kerr effect measurements the magnetization behaviour in individual nanostructures will be studied down to very short times. The time and temperature dependent processes will be studied in a range of magnetic nanostructures as will the interaction of domain walls with (spin-polarised) current (the latter also utilising resistivity measurements). Key structures to be studied are MRAM type elements, elongated nanostructures exhibiting domain wall propagation and branching structures to study wall interactions with spin-polarised current.
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