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Kinetics and chemical analysis of photoinduced interdiffusion in nanolayered films
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10.1063/1.2973460
/content/aip/journal/jap/104/5/10.1063/1.2973460
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/5/10.1063/1.2973460

Figures

Image of FIG. 1.
FIG. 1.

Transmission spectra of .

Image of FIG. 2.
FIG. 2.

Changes in the optical absorption edge during irradiation as a function of time. Inset: variation of Tauc parameter during irradiation.

Image of FIG. 3.
FIG. 3.

Time evolution of absorption coefficient with time at indicated wavelengths. The laser on state is indicated in the figure.

Image of FIG. 4.
FIG. 4.

XPS spectra of as prepared and irradiated (at different times) nanolayered films. Please note that there was no peak for the as prepared sample. However after irradiating the sample, we can clearly see the signal from peak.

Image of FIG. 5.
FIG. 5.

XPS spectra of as prepared and irradiated (at different times) nanolayered films. Please note that with irradiation the Se peaks shift to lower BE, which clearly indicating the formation of As–Se bond.

Image of FIG. 6.
FIG. 6.

Hollow circles represent the rise in optical absorption edge during photodarkening and the solid line (red) shows the theoretical fit using Eq. (3). Inset: the solid squares show the decay of optical absorption edge during photoinduced diffusion and solid line (red) represents the theoretical fit to .

Tables

Generic image for table
Table I.

Fitting parameters obtained from fitting Eqs. (3) and (4) to the calculated rise and fall of the absorption coefficient at different wavelengths.

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/content/aip/journal/jap/104/5/10.1063/1.2973460
2008-09-02
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Kinetics and chemical analysis of photoinduced interdiffusion in nanolayered Se/As2S3 films
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/5/10.1063/1.2973460
10.1063/1.2973460
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