Journal
APPLIED PHYSICS LETTERS
Volume 91, Issue 7, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2770656
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A longitudinal electric field is used to control the transit time (through an undoped silicon vertical channel) of spin-polarized electrons precessing in a perpendicular magnetic field. Since an applied voltage determines the final spin direction at the spin detector and hence the output collector current, this comprises a spin field-effect transistor. An improved hot-electron spin injector providing approximate to 115% magnetocurrent, corresponding to at least approximate to 37% electron current spin polarization after transport through 10 mu m undoped single-crystal silicon, is used for maximum current modulation. (C) 2007 American Institute of Physics.
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