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Cross-sectional transmission electron microscopy study of femtosecond laser-irradiated selenium-doped 'black' silicon

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Academic year: 2021

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Figure

Fig.  2.1:  Absorptance  spectra  of silicon  irradiated with  100fs laser pulses  focused  to 10kJ/m 2  in the presence  of selenium powder
Fig.  2.2:  Diagram  of the  femtosecond  laser treatment apparatus.  The  same apparatus  was  used for all samples
Fig. 2.3:  Schematic  of sample during  TEM  sample preparation  process.  The red line  indicates the  surface  of black  silicon
Fig. 2.4:  Photograph  of tripod polisher.  The Pyrex  surface  onto  which the sample is  mounted is  visible at the bottom  right of the image
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