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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
161

Implementation of AlGaN/GaN based high electron mobility transistor on ferroelectric materials for multifunctional optoelectronic-acoustic-electronic applications

Lee, Kyoung-Keun 02 January 2009 (has links)
This dissertation shows the properties of lithium niobate and lithium tantalate as a promising substrate for III-nitrides, addresses several problems of integrating compound semiconductor materials on LN and LT. It also suggests some solutions of the addressed problems, including furnace anneals at high temperature. While this furnace anneal improved surface smoothness and III-nitride film adhesion, it also caused the repolarization on the congruent LN (48.39 mole % of Li2O) samples. However, the repolarization was not developed in the stoichiometric LN (49.9 mole % of Li2O) samples during the identical thermal treatment. Also, the structural quality of GaN epitaxial layers showed slight improvement when grown on LT substrates over LN substrates. Conventional epitaxial growth technologies were adapted and modified to implement a successful AlGaN/GaN heterostructure on LN (LT). The heterostructure were analyzed to verify the electrical and material properties using several characterization techniques. Finally, it demonstrates AlGaN/GaN-based HEMT devices on ferroelectric materials that will allow the future development of the multifunctional electrical and optical applications.
162

Modeling, simulation and performance optimization of wideband semiconductor optical amplifiers

Park, Jongwoon. Huang, W.P. January 2004 (has links)
Thesis (Ph.D.)--McMaster University, 2005. / Supervisor: W.-P. Huang Includes bibliographical references (leaves 124-136).
163

A biologically inspired optical flow system for motion detection and object identification

Rijhwani, Vishal. January 2007 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2007. / The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 7, 2008) Includes bibliographical references.
164

Integrated silicon optoelectronics /

Zimmermann, Horst, January 2000 (has links)
Univ., Habil.-Schr.--Kiel, 1999. / Literaturverz. S. [297] - 323.
165

Perforated Mach-Zehnder interferometer evanescent field sensor in silicon-on-insulator /

Yadav, Ksenia. January 1900 (has links)
Thesis (M.App.Sc.) - Carleton University, 2006. / Includes bibliographical references (p. 85-91). Also available in electronic format on the Internet.
166

Porous slilcon structures for biomaterial and photonic applications

Khung, Yit Lung, January 1900 (has links)
Thesis (Ph.D.)--Flinders University, School of Chemistry, Physics and Earth Sciences. / Typescript bound. Includes bibliographical references. Also available online.
167

One dimensional zinc oxide nanostructures for optoelectronics applications solar cells and photodiodes /

Cheng, An-jen, Park, Minseo, Tzeng, Y. January 2008 (has links) (PDF)
Thesis (Ph. D.)--Auburn University, 2008. / Abstract. Vita. Includes bibliographical references (p. 177-194).
168

Dye sensitized solar cells using ZnO nanotips and Ga doped ZnO films

Chen, Hanhong. January 2008 (has links)
Thesis (Ph. D.)--Rutgers University, 2008. / "Graduate Program in Electrical and Computer Engineering." Includes bibliographical references (p. 118-122).
169

Stress engineering for polarization control in silicon-on-insulator waveguides and its applications in novel passive polarization splitters/filters /

Ye, Winnie Ning. January 1900 (has links)
Thesis (Ph.D.) - Carleton University, 2007. / Includes bibliographical references (p. 194-201). Also available in electronic format on the Internet.
170

Study of carrier injection for performance optimization of a reconfigurable waveguide digital optical switch on InGaAsP/InP /

Ng, Sandy. January 1900 (has links)
Thesis (Ph.D.) - Carleton University, 2007. / Includes bibliographical references (p. 128-137). Also available in electronic format on the Internet.

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