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High-Field Magnetoresistance in a Periodically Modulated 2-Dimensional Electron-Gas

Geim, A K; Taboryski, R; Kristensen, A; Dubonos, S V; Lindelof, P E

Physical Review B. 1992;46(7):4324-4327.

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Abstract

We have extended earlier measurements of the magnetoresistance in a periodically modulated two-dimensional electron gas to high magnetic fields, where the cyclotron radius, r(c), is much smaller than the period, a, of modulation. A giant nonoscillatory magnetoresistance was found to arise beyond the range of low-field (Weiss) oscillations periodic in 1/B. Its value in a magnetic field of a few tesla may exceed the zero-field resistance value, rho-0, by 1 to 2 orders of magnitude. This result is in agreement with the semiclassical theory by Beenakker, if a modulation of the electron mobility is taken into account.

Bibliographic metadata

Type of resource:
Content type:
Published date:
Language:
english
Journal title:
Alternative journal title:
Phys Rev B
ISSN:
Volume:
46
Issue:
7
Start page:
4324
End page:
4327
Total:
4
Pagination:
4324-4327
ISI Accession Number:
ISI:A1992JJ84600086
Related website(s):
  • Related website <Go to ISI>://A1992JJ84600086
General notes:
  • Jj846 Times Cited:20 Cited References Count:11
Access state:
Active

Institutional metadata

University researcher(s):

Record metadata

Manchester eScholar ID:
uk-ac-man-scw:192645
Created by:
Hawthornthwaite, Sabina
Created:
19th April, 2013, 15:05:58
Last modified by:
Hawthornthwaite, Sabina
Last modified:
19th April, 2013, 15:05:58

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