The 20 wt.% V2O5:TiO2 catalyst was prepared by the sol:gel route and calcined at 300 [deg]C. XRD, TEM, EDX and FT:IR analysis showed that the material...
Non:linear photoluminescence emissions of n:type ZnSe epitaxial layers grown by MOVPE have been studied at low temperature.The processes involved in t...
Des graptolites d'age Caradocien ont ete recoltes pour la premiere fois dans plusieurs forages du Tinrhert (Sahara algerien), ou leur position stratig...
We study the variation of the gain and the differential gain for a quantum well laser based on the CdZnTe alloys. We calculate theoretically the optic...