affiliation not provided to SSRN
Vertical heterostructures, Photoluminescence, Charge transfer
Carbon Nanotubes, erbium, Ytterbium, down-conversion, up-conversion
ZnO, gallium doping, sputtering, defects, carrier dynamics, work function
Zinc oxide, Ga-doped ZnO, RF magnetron sputtering, Photoconductivity, Deep level defects, Terahertz spectroscopy
zinc oxide, Photoluminescence, Upconversion, Optical Parameters, Sputtering, thin films
Semiconductor, Thin films, Electronic properties, Optical Spectroscopy, Phonons