Thesis (M.A.)--Georgia State University, 2005. / Title from title screen. Kay Beck, committee chair; Edward J. Friedman, Kathryn H. Fuller, committee members. Electronic text (124 p.) : digital, PDF file. Description based on contents viewed Apr. 17, 2007. Includes bibliographical references (p. 108-124).

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Thesis (M.A.)--Carleton University, 2004. / Includes bibliographical references (p. 106-109). Also available in electronic format on the Internet.

Calcium aluminate compound, 12CaO.7Al2O3, was prepared via an improved sol-gel technique in the form of thin film on magnesium oxide (MgO) single crystal substrate as well as powder. The microstructures of the films were observed before and after crystallization, and the effect of solution processing parameters, including the molar fractions of the ingredients, on the continuity of the films and the formation of surface defects was studied. An optimized sol-gel process using a new solution recipe was developed based on the microstructural observations. Homogeneous thin films of 12CaO.7Al2O3 with high critical thickness (~ 5 − 6 μm)were produced using this optimized technique. The chemical composition of the films was determined using energy dispersive spectroscopy and X-ray photoelectron spectroscopy. Raman and Fourier transform infrared (FTIR) spectral analyses were employed in order to investigate the effect of heat treatment temperature on the crystallization of 12CaO.7Al2O3 film on magnesium oxide substrate. The results of the phase analysis show that a single-phase film of 12CaO.7Al2O3 is formed at a temperature of 1300 oC. A crystallized structure with well-defined grain boundaries is obtained after 2 hr of heat treatment at this temperature under normal air atmosphere. The phase formation of 12CaO.7Al2O3 in powder form was investigated via room-temperature and high-temperature X-ray diffraction (XRD) and crystallization of 12CaO.7Al2O3 and CaO.Al2O3 powders started taking place simultaneously at a temperature of ~ 900 oC. A comparison between the FTIR results of the films with XRD results of the powder proved the crystallization of 12CaO.7Al2O3 thin film to start at a higher temperature compared to the powder. Furthermore, a single-phase 12CaO.7Al2O3 tends to form in thin film on MgO substrate, whereas the formation of 12CaO.7Al2O3 is accompanied by the formation of secondary phases of CaO.Al2O3 and 3CaO.Al2O3. The optical absorption properties of the 12CaO.7Al2O3 films were investigated at different temperatures from room temperature to 300 oC and the experimental data were analysed in Tauc and Urbach regions. The optical band gap decreased from 4.088 eV at 25 oC to 4.051 eV at 300 oC, while Urbach energy increased from 0.178 eV at 25 oC to 0.257 eV at 300 oC. The relationship between the optical band gap and the Urbach energy at different temperatures showed an almost linear relationship from which the theoretical values of 4.156 and 0.065 eV were evaluated for the band gap energy and Urbach energy of a 12CaO.7Al2O3 crystal with zero structural disorder at 0 K.

Thesis (M.A.)--York University, 2000. Graduate Programme in Film and Video. / Typescript. Includes bibliographical references (leaves 114-117). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://wwwlib.umi.com/cr/yorku/fullcit?pMQ67715.

published_or_final_version / English Studies / Master / Master of Arts

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System requirements: Adobe Acrobat Reader. Includes bibliographical references (p. 212-221).

Posthuman representations in selected Hollywood and Hong Kong science fiction films show new interconnections in “techno-globalization.” They also exhibit a waning relationship between the “center” and the “margin” of technoculture. This study discusses the relation of technology, humanity, affect, and aesthetics in selective science fiction films produced from 1984 to 2010. The science fiction features were made in the United States and in Hong Kong. They include: The Terminator (1984), Terminator2 (1991), Terminator Salvation (2009), A.I. Artificial Intelligence (2002), I Love Maria (1988), Kung Fu Cyborg (2009) and Future X-Cops (2010). In particular, Kung Fu Cyborg merges the popular genre conventions of martial arts and technoculture, and manifests a different imagination at work wherein Hong Kong’s martial arts cinema stands in the place of a scientific-based Western technoculture absent in Hong Kong science fiction films. This study presents several key critical frames elaborated by scholars of science fiction who have assessed the recurrent themes and figures of science fiction films. The discussion of films identifies the resemblances, the differences, and the competitive dynamic between American science fiction films and Hong Kong action features. The absence of utopian or dystopian figures in posthuman filmic representations in Hong Kong cinema is considered an important difference from Western science fiction films. This thesis examines the figure of the cyborg and argues for the important place of emotions and the power to emote and hope as having a complex relationship to technology, humans and humanness. The compassionate cyborg has temporal and moral dimensions relating to belief and religion in this important genre. Thus, this thesis examines the backdrop for science fiction affect, which is one of oppression and crisis that speaks to the conditions of capitalism and modernity. The affective cyborgs make an important figure in the science fiction films that concern the crisis conditions, the appeal of technology, and the conventions of science fiction genre in commercial cinema. / published_or_final_version / Comparative Literature / Master / Master of Philosophy

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