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Full-Text Articles in Physics

Elucidating Fundamental Mechanisms In Focused Electron- And Ion-Beam Induced Synthesis, Carlos M. Gonzalez Dec 2014

Elucidating Fundamental Mechanisms In Focused Electron- And Ion-Beam Induced Synthesis, Carlos M. Gonzalez

Doctoral Dissertations

A focused electron beam deposition process (FEBID) coupled with in-situ infrared pulsed laser assist (LA-EBID) has been implemented for higher purity tungsten nanowires using W(CO)6 [tungsten hexacarbonyl] as parent precursor gas. Nanowires made of Co from Co2(CO)8 [dicobalt octacarbonyl] and Pt from MeCpPtIVMe3 [trimethyl methylcyclopentadienyl platinum] have also been realized by using inert focused ion beams of helium and helium and neon, respectively. In all cases, higher electrical conductivities, higher purities and larger grain sizes have been obtained when compared with preceding traditional additive edit techniques. These new approaches will make possible successful nanoscale direct-write …


Computational Modeling Of Doped Helium Clusters, Ryan Carlsen May 2014

Computational Modeling Of Doped Helium Clusters, Ryan Carlsen

Physics Capstone Projects

Prior to starting my coursework for this class, I had little experience in this area. I had done some related coursework in physical chemistry and computer science, but I had little direct experience. Thus, over the course of the year I learned very many things that are important to the research, but I did not reach a stage at which a lot of output occurred. Thus, in general this is a report of the things that I learned that will enable me to be effective in generating research output in the future, as I plan to continue participating int his …