sputtering with varying doping concentrations were studied using XRD, UV-Vis spectroscopy, FieldEmission Scanning Electron Microscopy (FESEM), Energy Dispersive X-ray Spectroscopy (EDS), I-V, XPSand AFM measurements to investigate the structural, optical, electrical properties and roughness of thefilms...
In this Feb. 25, 2008 file photo the tower of a church is pictured between the smoke billowing chimneys of the brown coal power plant Frimmersdorf in Grevenbroich near Duesseldorf, Germany. After concluding that global warming is almost certainly man-made and poses a grave threat to humanity...