19-09-2017, 07:54 PM
Report on introduction to spintronics which include gmr either and tmr effect
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spintronics seminar report
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Report on introduction to spintronics which include gmr either and tmr effect
20-09-2017, 10:46 AM
Spintronics also known as spinelectronics or fluxtronics, is the study of the intrinsic spin of the electron and its associated magnetic moment, in addition to its fundamental electronic charge, in solid state devices.
Spintronics differs fundamentally from traditional electronics in that, in addition to the state of charge, the electron spins are exploited as a greater degree of freedom, with implications in the efficiency of the storage and transfer of data. Spintronic systems are most often made in dilute magnetic semiconductors (DMS) and Heusler alloys and are of particular interest in the field of quantum computing.
Spintronics emerged from the discoveries in the 1980s regarding spin-dependent electron transport phenomena in solid-state devices. This includes observation of spin-polarized electron injection of a ferromagnetic metal to a normal metal by Johnson and Silsbee (1985) and the discovery of giant magnetoresistance independently by Albert Fert et al. and Peter Grünberg et al. (1988). The origins of spintronics can be traced back to the ferromagnet / superconductor tunnel experiments initiated by Meservey and Tedrow and initial experiments in the tunnel junctions by Julliere in the 1970s. The use of semiconductors for spintronics began with the theoretical proposal of a spin-effect-transistor field by Datta and Das in 1990 and the electric spin-dipole resonance by Rashba in 1960.
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