Visible and infrared lasers have been used to photochemically fabricate photoluminescent porous silicon thin films on n-type silicon substrates. Photoluminescence measurements on porous silicon exhibit a two-peak structure ...

Continuous wave (CW) laser-induced temperature rise is studied in Raman spectra of nanocrystalline-silicon (nC-Si) films on quartz and sapphire substrates. The zone-center-phonon (ZCP) mode in the Raman spectra shows ...