Listar por tema "Estabilidade térmica"
Mostrando ítems 21-29 de 29
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Stability of zirconium silicate films on Si under vacuum and O/sub 2/ annealing
(2001) [Artículo de periódico]The effect of postdeposition annealing in vacuum and in dry O2 on the atomic transport and chemical stability of chemical vapor deposited ZrSixOy films on Si is investigated. Rutherford backscattering spectrometry, narrow ... -
Thermal behavior of hafnium-based ultrathin films on silicon
(2003) [Artículo de periódico]We report here on the thermodynamical stability of ultrathin, hafnium-based dielectric films, namely hafnium oxide (HfO2), silicate (HfSixOy), and aluminum silicate (AlHfxSiyOz), deposited on silicon. These materials are ... -
Thermal stability and diffusion in gadolinium silicate gate dielectric films
(2001) [Artículo de periódico]Gadolinium silicate films on Si(100) annealed in oxygen and vacuum at temperatures up to 800 °C were analyzed by Rutherford backscattering and narrow resonance nuclear profiling. Oxygen diffused into the film eliminating ... -
Thermal stability of dielectrics on germanium : role of the substrate
(2013) [Resumen publicado en evento] -
Thermal stability of plasma-nitrided aluminum oxide films on Si
(2004) [Artículo de periódico]The effect of post-deposition rapid thermal annealing in vacuum and in dry O2 on the stability of remote plasma-assisted nitrided aluminum oxide films on silicon is investigated. The areal densities of Al, O, N, and Si ... -
Thermal stability of soy-based polyurethanes
(2005) [Artículo de periódico]New types of polyurethanes were prepared by reacting diisocyanates and formiated soy polyols with different OH functionalities. Thermal properties and degradation kinetics were investigated by TGA. All prepared PU’s showed ... -
Transporte atômico e estabilidade em dielétricos alternativos para a tecnologia do Si
(2007) [Tesis]Esta tese trata do estudo experimental de fenômenos de transporte atômico e reação química em filmes ultra-finos dielétricos sobre Si. Esses dielétricos são materiais alternativos ao óxido de silício utilizado em dispositivos ... -
Transporte atômico e incorporação de oxigênio em filmes de HfSiO e HfSiON depositados sobre Si
(2004) [Tesis de maestría]Esse trabalho estuda a estabilidade térmica e o transporte atômico em filmes dielétricos de HfSiO e HfSiON depositados por sputtering reativo sobre c-Si. Esses materiais possuem alta constante dielétrica (high- ) e são ... -
Two-step purification and partial characterization of keratinolytic proteases from feather meal bioconversion by Bacillus sp. P45
(2023) [Artículo de periódico]This study aimed to purify and partially characterize a keratinolytic protease produced by Bacillus sp. P45 through bioconversion of feather meal. Crude protease extract was purified using a sequence of an aqueous two-phase ...