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Plasmon-enhanced mid-infrared luminescence from polar and lattice-structure-mismatched CdTe/PbTe single heterojunctions
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10.1063/1.4711042
/content/aip/journal/apl/100/18/10.1063/1.4711042
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/18/10.1063/1.4711042
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Figures

Image of FIG. 1.
FIG. 1.

(a) SEM image of a CdTe/PbTe grown by MBE on BaF2 and the atomic arrangement through the interface and (b) an XRD rocking curve for a PbTe/CdTe SH sample.

Image of FIG. 2.
FIG. 2.

(a) Comparison of three typical MIR PL spectra measured at room temperature for a CdTe/PbTe SH, a PbSrTe/PbTe SH, and a PbTe single layer. (b) MIR PL forCdTe/PbTe SHs with different CdTe growth TCdTe. (c) Integrated PL intensities derived from (b) and electron densities of the SHs measured by Hall effect versus TCdTe. The square symbol represents PL intensity from a PbTe single layer. (d) Schematic representation of CdTe/PbTe for plasmonic enhancement of MIR emission.

Image of FIG. 3.
FIG. 3.

(a) SP dispersion for a CdTe/PbTe SH calculated using the dielectric function model and structural factor S(k) obtained from (c). (b) A SEM image of a typical surface texture showing regular triangular pits on the CdTe/PbTe surface. (c) The image of the structural factor of the random grating obtained by the Fourier transformation of the SEM image. (d) S(E) versus photon energy obtained from (a) and the measured MIR PL spectrum.

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/content/aip/journal/apl/100/18/10.1063/1.4711042
2012-05-02
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Plasmon-enhanced mid-infrared luminescence from polar and lattice-structure-mismatched CdTe/PbTe single heterojunctions
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/18/10.1063/1.4711042
10.1063/1.4711042
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