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- W2034008614 abstract "The field emission (FE) properties of nickel nanoparticles embedded in thin silica matrix irradiated with 100 MeV Au+7 ions at various fluences are studied here. A large increase in FE current density is observed in the irradiated films as compared to their as deposited counterpart. The dependence of FE properties on irradiation fluence is correlated with surface roughness, density of states of valence band and size distribution of nanoparticles as examined with atomic force microscope, X-ray photoelectron spectroscopy, and grazing incidence small angle x-ray scattering. A current density as high as 0.48 mA/cm2 at an applied field 15 V/μm has been found for the first time for planar field emitters in the film irradiated with fluence of 5.0 × 1013 ions/cm2. This significant enhancement in the current density is attributed to an optimized size distribution along with highest surface roughness of the same. This new member of field emission family meets most of the requirements of cold cathodes for vacuum micro/nanoelectronic devices." @default.
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- W2034008614 date "2014-05-07" @default.
- W2034008614 modified "2023-09-29" @default.
- W2034008614 title "Enhancement in field emission current density of Ni nanoparticles embedded in thin silica matrix by swift heavy ion irradiation" @default.
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- W2034008614 doi "https://doi.org/10.1063/1.4874435" @default.
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