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filmes finos: fundamentos e aplicações - IFSC - USP

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Filmes Amorfos<br />

Composição x Estrutura<br />

amorphous GaAsN alloys<br />

Ni-doped amorphous Si films<br />

a-GaAsN 30%<br />

10 at.%<br />

x5<br />

Transmission (%)<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

a-GaAs<br />

30%<br />

Scattering intensity (arb. units)<br />

1 at.%<br />

0.3 at.%<br />

undoped<br />

400 600 800 1000 1200 1400<br />

Photon wavelength (nm)<br />

150 300 450 600 750 900 1050 1200<br />

Raman shift (cm -1 )

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