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Hall field-induced resistance oscillations in MgZnO/ZnO heterostructures

Shi, Q. and Zudov, M. A. and Falson, J. and Kozuka, Y. and Tsukazaki, A. and Kawasaki, M. and von Klitzing, K. and Smet, J. (2017) Hall field-induced resistance oscillations in MgZnO/ZnO heterostructures. Physical Review B, 95 (4). Art. No. 041411. ISSN 2469-9950. doi:10.1103/physrevb.95.041411.

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We report on nonlinear magnetotransport in a two-dimensional electron gas hosted in a MgZnO/ZnO heterostructure. Upon application of a direct current, we observe pronounced Hall field–induced resistance oscillations (HIRO), which are well known from experiments on high-mobility GaAs/AlGaAs quantum wells. The unique sensitivity of HIRO to the short-range component of the disorder potential allows us to unambiguously establish that the mobility of our MgZnO/ZnO heterostructure is limited by impurities residing within or near the two-dimensional (2D) channel. This demonstration that HIRO can be realized in a system with a much lower mobility, much higher density, and much larger effective mass than in previously studied systems highlights the remarkable universality of the phenomenon and its great promise for use in studies of a wide variety of emerging 2D materials.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Falson, J.0000-0003-3183-9864
Kozuka, Y.0000-0001-7674-600X
Tsukazaki, A.0000-0003-0251-063X
Kawasaki, M.0000-0001-6397-4812
von Klitzing, K.0000-0002-1720-7396
Smet, J.0000-0002-4719-8873
Additional Information:© 2017 American Physical Society. Received 30 November 2016; revised manuscript received 14 January 2017; published 30 January 2017. We thank I. A. Dmitriev for discussions and comments on the manuscript, P. Herlinger for assistance with the microscope, and A. Zudova for assistance with data acquisition. This work was supported, in part, by the US Department of Energy, Office of Basic Energy Sciences, under Grant No. DE-SC002567 (University of Minnesota) and by Grant-in-Aids for Scientific Research (S) No. 24226002 from MEXT, Japan (University of Tokyo).
Funding AgencyGrant Number
Department of Energy (DOE)DE-SC002567
Ministry of Education, Culture, Sports, Science, and Technology (MEXT)24226002
Issue or Number:4
Record Number:CaltechAUTHORS:20200402-145517903
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:102304
Deposited By: Tony Diaz
Deposited On:02 Apr 2020 22:06
Last Modified:16 Nov 2021 18:10

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