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Electronics in a Spin?

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00:00 13 Mar 2014 – 00:00 14 Mar 2014
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Room A003, Ellison Building, Northumbria University, Newcastle-upon-Tyne, NE1 8ST

Speakers: Professor Sarah Thompson

Electronics in a Spin?

101 years after JJ Thomson was awarded the Nobel Prize for the discovery of the electron, the 2007 Nobel Prize for Physics was awarded to Professors Peter Grünberg and Albert Fert for the discovery of Giant Magnetoresistance (GMR) in which the spin as well as the charge of the electron is manipulated and exploited in nanoscale magnetic materials.

The journey to GMR starts with Lord Kelvin who 150 years ago in 1857 made the first observations of anisotropic magnetoresistance and includes Sir Nevill Mott who in 1936 realised that electric current in metals could be considered as two independent spin channels. Modern technology also has a significant role to play in the award of this Nobel Prize: GMR is only manifest in nanoscale materials, and the development of nanotechnology growth techniques was a necessary pre-requisite; further, the considerable demands of the magnetic data storage industry to drive up the data density stored on a hard disk fuelled an enormous international research effort following the initial discovery with the result that more that 5 billion GMR read-heads have been manufactured since 1997. This technology drive continues to inspire exploration of the spin current in the field now known as spintronics, generating new ideas and applications. The talk explores the science underpinning GMR and spintronics, the different routes to its discovery taken by Professors Grünberg and Fert, the new science, materials and applications that the discovery has triggered and the considerable potential for the future.

Event type: Lecture/Talk
Organised by: IoP Northeast branch
Contact details: Professor Sarah Thompson
Department of Physics, University of York

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Room A003, Ellison Building, Northumbria University, Newcastle-upon-Tyne, NE1 8ST
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00:00 13 Mar 2014 – 00:00 14 Mar 2014
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