Events
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Start: 2007-10-29 09:00
End: 2007-10-29 19:00
Thin films of wide band-gap semiconductors are deposited by the pulsed laser deposition method. Optimal deposition parameters for the individual compounds are reported. A family of p-type BaCuQF (Q = S, Se, Te) ceramics with a layered crystalline structure is investigated for active and passive device applications. Epitaxial films of BaCuTeF are grown in-situ on single-crystal MgO substrates. These films exhibit a maximum hole mobility of 8 cm2/Vs and conductivity of 167 S/cm. The band gap of BaCuTeF is 3 eV, much higher than 2.3 eV expected from powder results. | 30
Start: 2007-10-30 09:00
End: 2007-10-30 19:00
Sixty years ago, Linus Pauling revolutionized the way chemistry was taught in university classrooms when he published his 1947 college textbook, General Chemistry. It soon became the standard introductory chemistry text used in universities all over the world, and it secured his place in the public mind as a major scientific figure of the 20th century. | 31
Start: 2007-10-31 16:00
End: 2007-10-31 18:00
Nanoparticulate materials provide attractive building blocks for designing materials with tunable properties. In this presentation, the inter-relationships of structure and processing of nanoparticulate systems on their physico-chemical properties will be examined. The nanoparticulate systems that will be presented include examples from three broad material categories: polymers, ceramics and metals. Specific systems that will be discussed are cellulose nanocrystals (polymer), silicon carbide, (ceramic) as well as palladium (metal). | 1
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