Ballistic transport in periodically modulated MgZnO/ZnO two-dimensional electron systems

Creators: Tanaka, K.; Falson, J.; Kozuka, Y.; Uchida, M.; Maryenko, D.; Ye, J. T.; Iwasa, Y.; Tsukazaki, A.; Smet, J. H.; Kawasaki, M.

Abstract

We report the fabrication of both antidot lattices and unidirectional stripe patterns upon molecular beam epitaxy grown MgZnO/ZnO heterostructures. The magnetoresistance of these high mobility devices exhibits commensurability oscillations associated with ballistic transport of carriers executing orbital motion within the geometry of the imposed modulation.

Additional Information

© 2019 The Author(s). Published under license by AIP Publishing. Submitted: 22 July 2019. Accepted: 19 September 2019. Published Online: 7 October 2019. We thank Mansour Shayegan for discussions. We acknowledge the financial support of JST CREST Grant No. JPMJCR16F1, Japan. Y.K. acknowledges JST, PRESTO Grant No. JPMJPR1763, Japan. J.F. acknowledges support from the Max Planck—University of British Columbia—University of Tokyo Center for Quantum Materials and the Deutsche Forschungsgemeinschaft (DFG) (No. FA 1392/2-1).

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