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  Geometrical commensurability oscillations in the magnetoresistance of a two-dimensional electron gas under microwave irradiation

Kukushkin, I. V., Smet, J. H., Fal'ko, V. I., von Klitzing, K., & Eberl, K. (2002). Geometrical commensurability oscillations in the magnetoresistance of a two-dimensional electron gas under microwave irradiation. Physical Review B, 66(12): 121306.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-E2B5-6 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-E2B6-5
Genre: Journal Article

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 Creators:
Kukushkin, I. V.1, 2, Author           
Smet, J. H.1, 2, Author           
Fal'ko, V. I.3, Author           
von Klitzing, K.2, Author           
Eberl, K.4, Author           
Affiliations:
1Research Group Solid State Nanophysics (Jurgen H. Smet), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370489              
2Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370504              
3High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society, ou_3371774              
4Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370501              

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 Abstract: We report on 1/B-periodic magnetoresistance oscillations in a
two-dimensional electron system induced by microwave
irradiation. They are only present in high mobility samples
when an initial light pulse has created a persistent
photoconductive channel in the adjacent donor layer. The
oscillations manifest a geometric commensurability between the
electron cyclotron orbit and a steady-state periodic density
modulation. The latter may originate from the non-linear
dynamical screening of a surface acoustic wave potential in the
persistent photoconductive channel, triggered by the incident
monochromatic microwave.

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Language(s): eng - English
 Dates: 2002
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 7138
ISI: 000178461100009
 Degree: -

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Title: Physical Review B
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 66 (12) Sequence Number: 121306 Start / End Page: - Identifier: ISSN: 0163-1829