paper

Analysis of the two dimensional Datta-Das Spin Field Effect Transistor

arXiv:1001.2705 · doi:10.1016/j.physe.2010.01.032

Abstract

An analytical expression is derived for the conductance modulation of a ballistic two dimensional Datta-Das Spin Field Effect Transistor (SPINFET) as a function of gate voltage. Using this expression, we show that the recently observed conductance modulation in a two-dimensional SPINFET structure does not match the theoretically expected result very well. This calls into question the claimed demonstration of the SPINFET and underscores the need for further careful investigation.

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