Carte Spin Electronics David D. Awschalom

Spin Electronics

Limbă: engleză
Legare: Carte broșată
Editura: Springer
Disponibilitate: În depozitul extern
Expediem în 5-8 zile
551.23 lei
The history of scientific research and technological development is replete with examples of breakth...

Informații despre carte

Limbă
engleză
Legare
Carte - Carte broșată
Publicat
2010
Pagini
198
EAN
9789048165131
ISBN
904816513X
Enbook ID
05322677
Editura
Greutate
355
Dimensiuni
155 x 235 x 13

Descriere completă

The history of scientific research and technological development is replete with examples of breakthroughs that have advanced the frontiers of knowledge, but seldom does it record events that constitute paradigm shifts in broad areas of intellectual pursuit. One notable exception, however, is that of spin electronics (also called spintronics, magnetoelectronics or magnetronics), wherein information is carried by electron spin in addition to, or in place of, electron charge. It is now well established in scientific and engineering communities that Moore's Law, having been an excellent predictor of integrated circuit density and computer performance since the 1970s, now faces great challenges as the scale of electronic devices has been reduced to the level where quantum effects become significant factors in device operation. Electron spin is one such effect that offers the opportunity to continue the gains predicted by Moore's Law, by taking advantage of the confluence of magnetics and semiconductor electronics in the newly emerging discipline of spin electronics. From a fundamental viewpoine, spin-polarization transport in a material occurs when there is an imbalance of spin populations at the Fermi energy. In ferromagnetic metals this imbalance results from a shift in the energy states available to spin-up and spin-down electrons. In practical applications, a ferromagnetic metal may be used as a source of spin-polarized electronics to be injected into a semiconductor, a superconductor or a normal metal, or to tunnel through an insulating barrier.

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