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Surface defects passivation of ZnO nanocombs was performed through a Ti plasma immersion ion implantation (PIII) with low bias voltages ranging from 0-10 kV. The room temperature near-band-edge emission was enhanced for modified ZnO nanostructures while the defect-related green band was completely quenched. Detailed temperature dependence PL revealed that the deep-level emissions were surface related...
Incorporating the recent bond order–length–strength correlation mechanism [C.Q. Sun, Phys. Rev. B 69 (2004) 045105] to the size dependence of Auger photoelectron coincidence spectra of Cu nanoparticles with and without being passivated has enabled us to gain quantitative information about the 2p and 3d level energies of an isolated Cu atom and their shift upon bulk formation. The developed approach...
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