Abstract

We report a study of the quantum Hall effect and Shubnikov-dc Haas oscillations in semimctallic type II heterostructures of the strained layer system InAs/Ga 1− x In x Sb which are almost intrinsic. In high magnetic fields up to 50 T, ρ xy has large peaks, demonstrating the high degree of charge compensation in the system. Between these peaks, intrinsic quantum Hall minima arc observed, where ρ xy approaches zero.

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