Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Geometrical commensurability oscillations in the magnetoresistance of a two-dimensional electron gas under microwave irradiation
AU - Kukushkin, I V
AU - Smet, J H
AU - Falko, Vladimir
AU - von Klitzing, K
AU - Eberl, K
PY - 2002/9/15
Y1 - 2002/9/15
N2 - 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.
AB - 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.
U2 - 10.1103/PhysRevB.66.121306
DO - 10.1103/PhysRevB.66.121306
M3 - Journal article
VL - 66
SP - -
JO - Physical review B
JF - Physical review B
SN - 1098-0121
IS - 12
M1 - 121306
ER -