نتایج جستجو برای: nitrogen laser
تعداد نتایج: 300775 فیلتر نتایج به سال:
2014 The energy transfer reaction between Ar(3P0), Ar(3P2) and molecules of N2 was studied in the afterglow of a pulsed electrodeless discharge. The population decays of the metastable argon atoms and the intensity decays of the nitrogen second positive emission bands were monitored simultaneously. A dye laser was used to selectively depopulate each metastable argon species and the relative var...
We report on the structural and optical properties of (In,Ga)AsN self-assembled quantum dots grown on GaP (001) substrate. A comparison with nitrogen free (In,Ga)As system is presented, showing a clear modification of growth mechanisms and a significant shift of the photoluminescence spectrum. Low temperature carrier recombination dynamics is studied by time-resolved photoluminescence, highligh...
Nitrogen-doped (N-doped) single-wall carbon nanotubes (SWCNTs) were synthesized by chemical vapor deposition using SiOx nanoparticles as a catalyst and ethylenediamine as the source of both carbon and nitrogen. The N-doped SWCNTs have a mean diameter of 1.1 nm and a narrow diameter range, with 92% of them having diameters from 0.7 to 1.4 nm. Multi-wavelength laser Raman spectra and temperature-...
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