N-doped In2O3 films were deposited on fused quartz substrates by radio-frequency magnetron sputtering with different N2 flux.X-ray diffraction pattes,x-ray phot
Electronic band structure of carbon nanotubes with the Kekule structure is studied by the tight-binding approximation.We give a complete geometrical approach to
InGaN films have been widely used as active layers for blue light-emitting diodes (LEDs) and laser diodes (LDs).[1-3] Recently,indium-rich InGaN alloys have att