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Low-energy electron diffraction effects at complex interfacesOh, Doogie 06 April 2009 (has links)
Low-energy electron scattering was used as a tool to study electron-stimulated processes at complex interfaces. The electron diffraction in each complex interface is theoretically treated by a multiple scattering formalism for quantitative analysis. Mathematical descriptions of electron-stimulated processes and a multiple scattering expansion extended from the single-scattering case are presented. This analysis method was applied in three research topics: These are 1) electron-stimulated desorption of Cl+ from Si surfaces, 2) characterization of epitaxial graphene on Si-terminated SiC(0001), and 3) low-energy electron induced DNA damage. Zone-specific desorption of Cl+ from Si(111)- 7X7:Cl surfaces was demonstrated. Graphene epitaxially grown on SiC(0001) surfaces was analyzed using Auger electron diffraction and Raman scattering spectroscopy. Finally, the roles of interfacial water and dissociative electron attachment resonances in low-energy electron-induced DNA damage were revealed. Electron scattering calculations using the "path approach" were applied in all of the above mentioned studies. The combination of theory and experiment has lead to insight regarding electron scattering with complex targets.
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Comparing cluster and slab model geometries from density functional theory calculations of si(100)-2x1 surfaces using low-energy electron diffractionDogbe, John Kofi. January 2007 (has links)
Thesis (Ph. D.)--University of Nevada, Reno, 2007. / "May, 2007." Includes bibliographical references. Online version available on the World Wide Web.
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Direct determination of surface structures of C2H4 and C2H2 on si(100) by LEED Patterson inversionLam, King-cheong. January 2008 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2009. / Includes bibliographical references (leaves 59-60) Also available in print.
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The adsorption and desorption of allylamine on the Si(100) surfaceZhang, Yunfeng, January 2008 (has links)
Thesis (M.S.)--University of Nevada, Reno, 2008. / "August, 2008." Includes bibliographical references. Online version available on the World Wide Web.
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A real space approach to LEED computation with flexible local mesh refinementSong, Weihong. January 2004 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2005. / Also available in print.
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Interactions between adsorbates and a stepped metallic surface studied with scanning tunneling microscopy and low energy electron diffraction /Pearl, Thomas Patrick. January 2000 (has links)
Thesis (Ph. D.)--University of Chicago, Department of Chmistry, August 2000. / Includes bibliographical references. Also available on the Internet.
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Studies of clean metal surface relaxation /Teeter, Glenn Robert, January 1999 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 1999. / Vita. Includes bibliographical references (leaves 170-176). Available also in a digital version from Dissertation Abstracts.
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A real space approach to LEED computation with flexible local mesh refinement /Song, Weihong. January 2004 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2005.
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Direct determination of the 6H-SiC(0001)-3X3 and 6H-Sic(0001)-[square root] 3 x [square root] 3 surface reconstruction by LEED Patterson functionLau, Wai-ping, January 2004 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2005. / Also available in print.
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Bluetooth-implementation för Netbiter EC350Alfredsson, Erika, Bengtsson, Matilda January 2014 (has links)
In industries today the demand for reading the state of industrial equipment and thus prevent machine breakdown, is increasing. The company HMS Industrial Networks AB has a product on the market, Netbiter EC350 that is used to read sensors and thus find out the condition of industrial equipment. By reporting scanned data to users through a cloud service, users can keep track of their equipment. When developing Netbiter EC350 a slot was made for a Bluetooth module to offer clients a wireless reading in future developments. In this project a prototype was made to show how this Bluetooth communication can be implemented. The goal of the project was to create a Bluetooth communication between a Bluetooth sensor and Netbiter EC350. A user interface was made to allow the user to read sensor values. The result of the project shows how a Bluetooth communication can be implemented to read sensors wireless and therefore it fulfills its purpose and goal. The user can find connectable Bluetooth devices, connect to a device and read measured values through a user interface. The prototype demonstrates how a Bluetooth communication with a Netbiter EC350 can be implemented and the project is therefore considered to be a good basis for future development.
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