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Dispersion of thermo-optic coefficient in porous silicon layers of different porosities
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10.1063/1.1857077
/content/aip/journal/apl/86/6/10.1063/1.1857077
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/6/10.1063/1.1857077

Figures

Image of FIG. 1.
FIG. 1.

Experimental reflectivity spectra of P1 sample for (solid line) and (dashed line). In the inset is reported the peak shift in an expanded horizontal scale.

Image of FIG. 2.
FIG. 2.

Experimental data showing the thermo-optic coefficient dispersion in porous silicon for different porosities: (∎) sample P1, ; (●) sample P2, , (▴) sample P3, . The best-fit curves obtained with Bruggeman and Landau–Lifshitz models are reported as solid and dashed line, respectively.

Image of FIG. 3.
FIG. 3.

Linear fits of the thermo-optic coefficient at vs porosity. The data are extrapolated by using the Bruggeman (∎) and Landau (◆) models, respectively.

Tables

Generic image for table
Table I.

Experimental condition used for the electrochemical formation of PSi layer. The values of porosities.

Generic image for table
Table II.

Results of the Bruggeman and Landau fitting procedures for samples at different porosities. In the third and fifth columns the differences between the experimental porosities and the numerical results are reported.

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/content/aip/journal/apl/86/6/10.1063/1.1857077
2005-02-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dispersion of thermo-optic coefficient in porous silicon layers of different porosities
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/6/10.1063/1.1857077
10.1063/1.1857077
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