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Microwave-enhanced dephasing time in a HgCdTe film
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10.1063/1.4773178
/content/aip/journal/apl/102/1/10.1063/1.4773178
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/1/10.1063/1.4773178
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Hall coefficient as a function of temperature. (b) Magnetoconductance curves at different temperatures without MW field. Color curves are experimental data and black curves are fits following the HLN model plus Drude model. Note that no offset between the curves has been added. (c) Zero-magnetic-field sheet resistance without MW field versus in a logarithmic plot and the fit. (d) Dephasing rate as a function of temperature without MW field. Solid line is a fit according to .

Image of FIG. 2.
FIG. 2.

(a) curves at 1.5 K without MW field (red curve) and with MW field of 30 GHz frequency and different powers (other colored curves). The black curves are fits following the HLN model plus Drude model. Data points and fits for 10 mW, 31.6 mW, 63.1 mW, and 100 mW MW power have been shifted vertically respectively by , , , and for clarity. Inset: For comparison, curves at 1.5 K without MW field (dashed red curve) and with 26 GHz 100 mW MW field (solid green curve) for a 2DEG in the triangular-potential-well of an anodic-oxidized MCT film. (b) [ ] as a function of MW power (P) at 1.5 K. Solid curve is a fit according to . (c) Relative change in electron density [ ] versus P at 1.5 K. Inset: Hall measurement data with 30 GHz frequency and 100 mW power MW field applied (green curve) and without MW field applied (red curve). (d) Relative change in dephasing time [ ] versus P at 1.5 K.

Image of FIG. 3.
FIG. 3.

(a) curves for different temperatures with either 30 GHz frequency and 100 mW power MW field applied (green curves) or without MW field applied (dashed curves). Note that no offset between the curves has been added. (b) as a function of temperature at P = 100 mW. Solid curve is a fit according to . (c) versus T at P = 100 mW. (d) versus T at P = 100 mW.

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/content/aip/journal/apl/102/1/10.1063/1.4773178
2013-01-08
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Microwave-enhanced dephasing time in a HgCdTe film
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/1/10.1063/1.4773178
10.1063/1.4773178
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