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Full-Text Articles in Physical Sciences and Mathematics
Gas Detection Applications Of Vertically Aligned Metal Oxide Nanowire Arrays, Haiqiao Su
Gas Detection Applications Of Vertically Aligned Metal Oxide Nanowire Arrays, Haiqiao Su
University of New Orleans Theses and Dissertations
To build novel electronic noses for mimicking biological olfactory systems that consist of olfactory receptor arrays with large surface area and massively-diversified chemical reactivity, three dimensional (3D) vertical aligned ZnO nanowire arrays were employed as active materials for gas detection. ZnO nanowire arrays share 3D structures similar to mammalian olfactory receptor arrays, with thousands of vertical nanowires providing a high reception area which can significantly enhance the sensors’ sensitivity. Meanwhile, with different material decorations (such as SnO2, In2O3, WO3 and polymers), each array of nanowires can produce a distinguishable response for each separate …
Microwave Properties Of Magnetic Nanowires Arrays, Daniel Adams
Microwave Properties Of Magnetic Nanowires Arrays, Daniel Adams
Innovate UNO
This study focused on examining high-frequency properties of magnetic nanowire arrays. The microwave was produced by a Vector Network Analyzer (VNA) and transmitted through coplanar waveguides (CPW). The CPWs are 300 µm long with signal line width of 20 µm, ensuring minimum losses due to radiation. CPWs were fabricated through the photolithography process. The magnetic nanowires were fabricated through e-beam lithography on top of the CPW. The VNA was used to feed the CPW and measurements of the FMR absorption allowed us to understand the effect of interaction between nanowires on their dynamic properties.