Performance of a spin-based insulated gate field effect transistor

Details Performance of a spin-based insulated gate field effect transistor Performance of a spin-based insulated gate field effect transistor

2006-03-09

arxiv.org/abs/cond-mat/0603260v1

Appl. Phys. Lett. 88, 162503 (2006).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages including 3 figures, APL in press

Scientific paper

10.1063/1.2192152

Fundamental physical properties limiting the performance of spin field effect transistors are compared to those of ordinary (charge-based) field effect transistors. Instead of raising and lowering a barrier to current flow these spin transistors use static spin-selective barriers and gate control of spin relaxation. The different origins of transistor action lead to distinct size dependences of the power dissipation in these transistors and permit sufficiently small spin-based transistors to surpass the performance of charge-based transistors at room temperature or above. This includes lower threshold voltages, smaller gate capacitances, reduced gate switching energies and smaller source-drain leakage currents.

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