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Observation of the photoinduced anomalous Hall effect spectra in insulating InGaAs/AlGaAs quantum wells at room temperature
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10.1063/1.3701281
/content/aip/journal/apl/100/14/10.1063/1.3701281
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/14/10.1063/1.3701281
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of the photoinduced AHE under (a) right-hand and (b) left-hand circularly polarized radiation. (c) The schematic diagram of the experiments. Here denotes the longitudinal electric field, m indicates the spin direction of the carriers, F is the equivalent Lorentz-like force and v is the velocity of the carriers.

Image of FIG. 2.
FIG. 2.

Spectra of the photoinduced AHE current detected in the In0.15Ga0.85As/Al0.3Ga0.7As QWs with different longitudinal electric field ranged from 0 to 275 V/cm at a step of 25 V/cm. All of the spectra are shifted vertically for clarity.

Image of FIG. 3.
FIG. 3.

(a) The normalized transverse current obtained by under different longitudinal electric fields ranged from 0 to 250 V/cm at a step of 50 V/cm. For clarity, some spectra are skipped and the spectra are shifted vertically. (b) The spectra of the AHE current (squares) corresponding to 1HH-1E transition (near 1.30 eV) as a function of the longitudinal electric field in the In0.15Ga0.85As/Al0.3Ga0.7As QWs. The solid line is the linear fit.

Image of FIG. 4.
FIG. 4.

The spectra of photoinduced anomalous Hall conductivity compared to the common photocurrent of the In0.15Ga0.85As/Al0.3Ga0.7As QWs.

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/content/aip/journal/apl/100/14/10.1063/1.3701281
2012-04-03
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Observation of the photoinduced anomalous Hall effect spectra in insulating InGaAs/AlGaAs quantum wells at room temperature
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/14/10.1063/1.3701281
10.1063/1.3701281
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