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Broadening of optical transitions in polycrystalline CdS and CdTe thin films
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10.1063/1.3511744
/content/aip/journal/apl/97/18/10.1063/1.3511744
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/18/10.1063/1.3511744

Figures

Image of FIG. 1.
FIG. 1.

The complex dielectric functions of (a) two CdS films with indicated values, and (b) the CdTe film along with single crystal CdTe. The major CPs are marked.

Image of FIG. 2.
FIG. 2.

The second derivative spectra of complex dielectric functions of (a) the CdS film deposited at , and (b) the CdTe film deposited at . The fits are based on Eq. (1).

Image of FIG. 3.
FIG. 3.

Plotted as functions of deposition temperature include: (a) the broadening parameters used to deduce mean free path in polycrystalline CdS and CdTe films; and (b) mean free path results deduced from Eq. (3).

Image of FIG. 4.
FIG. 4.

The broadening parameters plotted as functions of the reciprocal of deduced mean free path for (a) CdS and (b) CdTe. The group speeds of excited carriers are calculated from the slopes of the linear fits using Eq. (3).

Tables

Generic image for table
Table I.

Processing parameters used in this study. (sccm denotes cubic centimeter per minute at STP).

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/content/aip/journal/apl/97/18/10.1063/1.3511744
2010-11-03
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Broadening of optical transitions in polycrystalline CdS and CdTe thin films
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/18/10.1063/1.3511744
10.1063/1.3511744
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