Two sets of hydrogenated microcrystalline silicon thin-film samples were prepared by Plasma Enhanced Chemical Vapor Deposition (PECVD) technique at different deposition conditions of excited power and pressure. The correlation between the crystalline volume fraction for the samples determined from Raman spectra and the excited power, pressure, absorption coefficient, refractive index and optica...

The simultaneous generation of dust during the deposition of semiconducting thin films by radio frequency plasma enhanced chemical vapor deposition has so far been regarded as a troublesome by-product. However, we present results from recent microstructural investigations of carbonaceous dust particles from a methane precursor that demonstrate that the technique may be suited to generating full...

Electrochemical Properties of Nonstoichiometric LiNi0.5Mn1.5O4− Thin-Film Electrodes Prepared by Pulsed Laser Deposition H. Xia, Y. S. Meng,* L. Lu, and G. Ceder* Advanced Materials for Microand Nano-System, Singapore-MIT Alliance, Singapore 117576, Singapore Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA Department of...

We have studied the effect of substrates [glass and Si(10 0)], of Ni thickness (tNi) and of the deposition rate [v1 1⁄4 13nm/min and v2 1⁄4 22nm/min] on the structural and electrical properties of evaporated Ni thin films. The Ni thickness, measured by the Rutherford backscattering (RBS) technique, ranges from 28 to 200nm. From X-ray diffraction, it was found that all samples are polycrystallin...

Characterization and Performance of LiFePO4 Thin-Film Cathodes Prepared with Radio-Frequency Magnetron-Sputter Deposition Jian Hong,* Chunsheng Wang,** Nancy J. Dudney,** and Michael J. Lance Department of Chemical Engineering, Tennessee Technological University, Cookeville, Tennessee 38505, USA Department of Chemical and Biochemical Engineering, University of Maryland, College Park, Maryland 2...

(I) CHROMATOGRAPHIC METHODS FOR SOLUTE DESCRIPTORDETERMINATIONS(II) RUTHENIUM SUBSTRATE-CATALYZED GROWTH OF NICKEL NITRIDETHIN FILMS BY ATOMIC LAYER DEPOSITION

Many stone-covered surfaces on Earth are subject to aeolian deposition of atmospheric dust. This study investigates how the deposition of dust is affected when rock fragments become gradually more embedded in the ground or, inversely, become more concentrated on the surface. Experiments were executed in an aeolian dust wind tunnel with eight different types of pebbles. The following parameters ...

Atmospheric nitrogen species including NO3-, NH4+ and total nitrogen in air and precipitation samples were collected with low-volume filter packs and wet deposition collectors from March 1999 through the end of December 2000 in seven sampling locations in Connecticut. Three sampling locations were chosen along the shores of Long Island Sound and four were chosen in interior sections of Connecti...