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Raman scattering investigation on structural and chemical disorder generated by laser ablation and mechanical microindentations of InSb single crystal
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10.1063/1.2345052
/content/aip/journal/jap/100/5/10.1063/1.2345052
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/5/10.1063/1.2345052
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scanning electron microscopy of the (a) Vickers indentation and (b) laser ablation of InSb. The arrows (a)–(d) indicate the points where the Raman spectra were performed, shown in Figs. 2 and 5. The bars correspond to in (a) and (b).

Image of FIG. 2.
FIG. 2.

Raman spectra performed on points at the center of the fingerprint (a), at the center of the face (b), at the border (c), and far from the fingerprint (d), using the exciting wavelength, whose penetration depth of the light is between 12 (for amorphous InSb) and 17 (crystalline InSb) nm.

Image of FIG. 3.
FIG. 3.

Frequency shift of the LO mode for several positions, from the center of the indentation to points far from the indentation: at the center of indentation (a), at the center of the face (b), at the border (c), and far from the fingerprint, at about from the center (d).

Image of FIG. 4.
FIG. 4.

Raman spectra performed on points at the center of the fingerprint (a), at the center of the face (b), at the border (c), and far from the fingerprint (d), using the as exciting wavelength, whose penetration depth of the light is between 20 (amorphous) to 36 (crystalline) nm.

Image of FIG. 5.
FIG. 5.

Sequence of Raman spectra along a line starting at the center (a) to points far from (d) the center of the laser indentation. (e) is the Raman spectrum of a polycrystalline sample of Sb.

Image of FIG. 6.
FIG. 6.

Raman spectra taken at the same point of the laser indentation with different excitation wavelengths: (a) 466, (b) 488, (c) 514, and (d) . In (e) the Raman spectrum of a polycrystalline sample of Sb is displayed.

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/content/aip/journal/jap/100/5/10.1063/1.2345052
2006-09-14
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Raman scattering investigation on structural and chemical disorder generated by laser ablation and mechanical microindentations of InSb single crystal
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/5/10.1063/1.2345052
10.1063/1.2345052
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