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Magneto-quantum transport in a quasi-one-dimensional GaAs/AlxGa1-xAs ring

Publication ,  Journal Article
Chang, AM; Timp, G; Chang, TY; Cunningham, JE; Chelluri, B; Mankiewich, PM; Behringer, RE; Howard, RE
Published in: Surface Science
January 1, 1988
Published version (DOI)

We study the magneto-transport properties of a quasi-ID GaAs/AlxGa1-xAs ring of mobility 40 000 cm2/V·a at 4 K. The inelastic scattering length is about 4000 Å while the sample length is of the order of 3 μm, so that we are in the diffusive regime. A variety of quantum interference phenomena are observed, including negative magneto-resistance, hole Aharonov-Bohm effect, and aperiodic/quasiperiodic resistance fluctuations. This rich variety enables us to estimate the sample conducting width and electron phase coherence length, lθ, so that we may attempt to obtain a consistent picture of these related phenomena. In addition, we obtain a magnetic field scale on which the hole oscillations disappear. © 1987.

Duke Scholars

Albert M. Chang
Author Albert M. Chang Physics

Published In

Surface Science

DOI

10.1016/0039-6028(88)90663-2

ISSN

0039-6028

Publication Date

January 1, 1988

Volume

196

Issue

1-3

Start / End Page

46 / 51

Related Subject Headings

  • Chemical Physics
  • 5108 Quantum physics
  • 5104 Condensed matter physics
  • 3406 Physical chemistry
  • 0306 Physical Chemistry (incl. Structural)
  • 0206 Quantum Physics
  • 0204 Condensed Matter Physics
 

Citation

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ICMJE
MLA
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Chang, A. M., Timp, G., Chang, T. Y., Cunningham, J. E., Chelluri, B., Mankiewich, P. M., … Howard, R. E. (1988). Magneto-quantum transport in a quasi-one-dimensional GaAs/AlxGa1-xAs ring. Surface Science, 196(1–3), 46–51. https://doi.org/10.1016/0039-6028(88)90663-2
Chang, A. M., G. Timp, T. Y. Chang, J. E. Cunningham, B. Chelluri, P. M. Mankiewich, R. E. Behringer, and R. E. Howard. “Magneto-quantum transport in a quasi-one-dimensional GaAs/AlxGa1-xAs ring.” Surface Science 196, no. 1–3 (January 1, 1988): 46–51. https://doi.org/10.1016/0039-6028(88)90663-2.
Chang AM, Timp G, Chang TY, Cunningham JE, Chelluri B, Mankiewich PM, et al. Magneto-quantum transport in a quasi-one-dimensional GaAs/AlxGa1-xAs ring. Surface Science. 1988 Jan 1;196(1–3):46–51.
Chang, A. M., et al. “Magneto-quantum transport in a quasi-one-dimensional GaAs/AlxGa1-xAs ring.” Surface Science, vol. 196, no. 1–3, Jan. 1988, pp. 46–51. Scopus, doi:10.1016/0039-6028(88)90663-2.
Chang AM, Timp G, Chang TY, Cunningham JE, Chelluri B, Mankiewich PM, Behringer RE, Howard RE. Magneto-quantum transport in a quasi-one-dimensional GaAs/AlxGa1-xAs ring. Surface Science. 1988 Jan 1;196(1–3):46–51.
Journal cover image

Published In

Surface Science

DOI

10.1016/0039-6028(88)90663-2

ISSN

0039-6028

Publication Date

January 1, 1988

Volume

196

Issue

1-3

Start / End Page

46 / 51

Related Subject Headings

  • Chemical Physics
  • 5108 Quantum physics
  • 5104 Condensed matter physics
  • 3406 Physical chemistry
  • 0306 Physical Chemistry (incl. Structural)
  • 0206 Quantum Physics
  • 0204 Condensed Matter Physics