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Analysis of Urbach-like absorption tails in thermally treated ZnO:Al thin films
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10.1063/1.4829999
/content/aip/journal/apl/103/19/10.1063/1.4829999
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/19/10.1063/1.4829999
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Optical transmission spectra of the differently treated samples deposited at room temperature. The energy scale was shifted in respect to the determined bandgap of each individual sample.

Image of FIG. 2.
FIG. 2.

(a) Absorption coefficient calculated from R and T measurements and respective fit for ZnO:Al deposited at room temperature and i-ZnO for all investigated post-deposition treatments. The inset shows a fit to the doped sample in the as deposited state using the error function only (see Eq. (2) ). (b) Urbach energy of the band tails as function of the deposition temperature and post-deposition treatment for i-ZnO and ZnO:Al.

Image of FIG. 3.
FIG. 3.

Hall mobility as a function of N of doped samples in the as deposited state and after the different thermal treatments. Numbers indicate the original deposition temperature.

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/content/aip/journal/apl/103/19/10.1063/1.4829999
2013-11-07
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Analysis of Urbach-like absorption tails in thermally treated ZnO:Al thin films
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/19/10.1063/1.4829999
10.1063/1.4829999
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