Sn02 nanowires with diameters of 30 — 200 nm have been synthesized by using carbothermalprocess via a thick film of tin dioxide and carbon powder precursor. The nanowires werecharacterized by X-ray power diffraction (XRD), scanning electron microscopy (SEM),transmission electron microscopy (TEM) and Selected Area Electron Diffraction (SAED).The gas sensing characteristic of nanowires toward eth...

In this paper we investigate the resonant electron-plasmon interactions in a drifting electron gas of arbitrary degeneracy. The kinetic corrected quantum hydrodyanmic model is transformed into effective Schr\"{o}dinger-Poisson and driven coupled pseudoforce system obtained via separation variables from appropriately linearized system. It remarked that low phase-speed regime characteristic parti...

Using the combination of off-axis electron holography and environmental Transmission Electron Microscopy (TEM), an experimental setup termed 'gas holography', we investigate how presence gas in microscope affects spatial phase resolution holograms. The is introduced either by using Environmental TEM (ETEM) or a closed-cell holder. ETEM data on shows that number electrons reaching detector decre...

J. W. Dufty1 1Department of Physics, University of Florida, Gainesville, FL 32611 (Dated: April 26, 2017) Abstract Density Functional Theory relies on universal functionals characteristic of a given system. Those functionals in general are di¤erent for the electron gas and for jellium (electron gas with uniform background). However, jellium is frequently used to construct approximate functional...

In this work, we present systematic studies on how an illuminating electron beam which ionizes molecular gas species can influence the mechanism of carbon nanotube oxidation in an environmental transmission electron microscope (ETEM). We found that preferential attack of the nanotube tips is much more prevalent than for oxidation in a molecular gas environment. We establish the cumulative elect...

we calculate the stopping power for heavy-ion diclusters moving in a strongly coupled two-dimensional electron gas system by using the local field corrected dielectric function at finite temperature. we obtain a parameterized local field correction factor based on a relation between the thermal compressibility and exchange-correlation energy in two-dimension. the interpolated parameter is deriv...