Angular Dependent Magnetoresistance Oscillationin GaAs/Al_<i>x</i>Ga_1-<i>x</i>As Superlattice

Abstract

Magnetotransport studies of GaAs/Al x Ga 1- x As superlattice having a tailored Fermi surface of a weakly corrugated cylindrical shape have revealed an angular dependent mangetoresistance oscillation effect similar to the one recently found in quasi-two-dimensional organic conductors. The present observation provides an evidence that the effect should commonly occur in a general class of nearly two-dimensional electron systems. Transport behavior has been studied both in the vertical and lateral direction of the superlattice, and is discussed in the light of our semiclassical calculation recently reported.