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Micro-Raman and field emission studies of silicon nanowires prepared by metal assisted chemical etching
Vivek Kumar, Shailendra K. Saxena, Vishakha Kaushik +3
Micro-Raman scattering and electron field emission characteristics of silicon nanowires (SiNWs) synthesized by metal assisted chemical etching (MACE) are investigated. Scanning ele…
Comparison of porous silicon prepared using metal-induced etching (MIE) and laser-induced etching (LIE)
Shailendra K. Saxena, Vivek Kumar, Hari M. Rai +6
Porous silicon (p-Si), prepared by two routes (metal induced etching (MIE) and laser induced etching (LIE)) have been studied by comparing the observed surface morphologies using S…
Defect free visible photoluminescence from laser-generated germanium nanoparticles
Manoj Kumar, Rajesh Kumar, Vivek Kumar +1
Origin of room temperature visible photoluminescence (PL) from defect free germanium (Ge) nanoparticles have been discussed here. The Ge nanoparticles produced by laser-induced etc…
Thermal effects on electron-phonon interaction in silicon nanostructures
Rajesh Kumar, Vivek Kumar, A. K. Shukla
Raman spectra from silicon nanostructures, recorded using excitation laser power density of 1.0 kW/cm^2, is employed here to reveal the dominance of thermal effects at temperatures…