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Midinfrared intersubband absorption in wide band gap II-VI multiple quantum wells with metastable zincblende MgSe barriers
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10.1063/1.2943660
/content/aip/journal/apl/92/26/10.1063/1.2943660
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/26/10.1063/1.2943660
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

A schematic drawing of the sample structure.

Image of FIG. 2.
FIG. 2.

Intensity oscillations of in situ RHEED at the initial stages of MgSe growth under Se-rich conditions.

Image of FIG. 3.
FIG. 3.

(a) PL spectra for three samples with well widths of 11, 13, and 15 ML. A blueshift in emission energy is observed with decreasing well width. The inset shows the RT and spectra for the 11 ML sample over an extended wavelength range. (b) Calculated interband transition energy as a function of well width using the EFA. Experimental results are in agreement with the calculations.

Image of FIG. 4.
FIG. 4.

(a) Transmittance measured by FTIR spectroscopy for a sample with a well width of 11 ML using - and -polarized light. (b) Normalized ISB transition spectra for three samples with nominal well widths of 11, 13, and 15 ML, obtained by taking the negative logarithm of ratio. (c) Well width dependence of the ISB transition energy for QWs: experimental (filled circles); calculated (solid line). Inset is the energy band diagram of the conduction band for used for the theoretical calculation.

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/content/aip/journal/apl/92/26/10.1063/1.2943660
2008-07-01
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Midinfrared intersubband absorption in wide band gap II-VI ZnxCd1−xSe multiple quantum wells with metastable zincblende MgSe barriers
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/26/10.1063/1.2943660
10.1063/1.2943660
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