Two‐dimensional electrons occupying multiple valleys in AlAs
Two‐dimensional electrons occupying multiple valleys in AlAs
Abstract Two‐dimensional electrons in AlAs quantum wells occupy multiple conduction‐band minima at the X‐points of the Brillouin zone. These valleys have large effective mass and g ‐factor compared to the standard GaAs electrons, and are also highly anisotropic. With proper choice of well width and by applying symmetry‐breaking strain in …