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Publication
Semiconductor Science and Technology
Paper
Observation of field-periodic magneto-conductance oscillations in a GaAs/Ga0.77Al0.23As heterojunction
Abstract
Magneto-conductance oscillations in a periodic magnetic field have been observed in a GaAs/Ga0.77Al0.23As heterojunction. The oscillations occur in a recently reported condensed phase of the two-dimensional electron gas and are attributed to magneto-oscillations of the phase transition temperature, similar to those seen in superconductors. This behaviour is one of several similarities to superconductivity which suggest that a superconducting transition may occur in this system. Transition temperatures as high as 10 K have been observed.