Navegação por Autor "Baumvol, Israel Jacob Rabin"
Resultados 1-20 de 132
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Aluminum mobility and interfacial segregation in fully silicided gate contacts
Pezzi, Rafael Peretti; Copel, Matthew; Cabral Junior, C.; Baumvol, Israel Jacob Rabin (2005) [Artigo de periódico]The mobility of aluminum implanted as a dopant of fully silicided nickel for advanced metal gates has been investigated following rapid thermal annealing at temperatures ranging from 160 to 700 °C. Resonant nuclear reaction ... -
Análise de materiais nanoestruturados utilizando feixes de íons
Pezzi, Rafael Peretti (2009) [Tese]A miniaturização de dispositivos tecnológicos levou à percepção de novas classes de efeitos devidos ao con namento quântico e à mudança na proporção entre número de átomos presentes na superfície e no volume de estruturas ... -
Analytical energy loss distribution for accurate high resolution depth profiling using medium energy ion scattering
Pezzi, Rafael Peretti; Krug, Cristiano; Grande, Pedro Luis; Rosa, Elisa Brod Oliveira da; Schiwietz, Gregor; Baumvol, Israel Jacob Rabin (2008) [Artigo de periódico]An analytical approach to ion energy loss distributions capable of simplifying medium energy ion scattering MEIS spectral analysis is presented. This analytical approach preserves the accuracy of recent numerical models ... -
Aplicação da correlação angular perturbada ao estudo de interações quadrupolares em perovskitas
Baumvol, Israel Jacob Rabin (1977) [Tese]Neste trabalho foram medidas as interações de qua drupolo elétrico nuclear do Hf¹8¹ e Cd¹¹¹ em compostos do tipo perovskita , usando a técnica da correlação angular perturbada diferencial (CAPD). No CaHfO3, que é uma ... -
Atomic transport across the interfaces during the formation of ultrathin silicon oxide/nitride/oxide films
Baumvol, Israel Jacob Rabin; Salgado, Tania Denise Miskinis; Radtke, Claudio; Krug, Cristiano; Andrade, Jones de (1998) [Artigo de periódico]The redistribution of O and N during the final, thermal oxidation in dry O2 step in the formation of ultrathin silicon oxide/nitride/oxide dielectric films ~ONO! was investigated using isotopic tracing and depth profiling ... -
Atomic transport and chemical stability during annealing of ultrathin Al/sub 2/O/sub 3/ films on Si
Krug, Cristiano; Rosa, Elisa Brod Oliveira da; Almeida, Rita Maria Cunha de; Morais, Jonder; Baumvol, Israel Jacob Rabin; Salgado, Tania Denise Miskinis; Stedile, Fernanda Chiarello (2000) [Artigo de periódico]Ultrathin films of Al₂O₃ deposited on Si were submitted to rapid thermal annealing in vacuum or in oxygen atmosphere, in the temperature range from 600 to 800 °C. Nuclear reaction profiling with subnanometric depth resolution ... -
Atomic transport and integrity of Al/sub 2/O/sub 3(2.0 nm)/HfO/sub 2/(2.5 nm) gate stacks on Si
Miotti, Leonardo; Pezzi, Rafael Peretti; Copel, Matthew; Krug, Cristiano; Baumvol, Israel Jacob Rabin (2007) [Artigo de periódico]The integrity of Al2O3 2.0 nm /HfO2 2.5 nm /SiO2 1 nm /Si 001 stacks after rapid thermal annealing at temperature up to 1025 °C was investigated. The structures were prepared by atomic layer deposition and atomic transport ... -
Avaliação das propriedades físico-químicas, mecânicas e tribológicas de filmes finos de VC, Si3N4 e TiN/Ti
Aguzzoli, Cesar (2011) [Tese]Neste trabalho foram estudadas correlações entre estrutura e propriedades de certos revestimentos baseados em filmes finos cerâmicos, mais especificamente carbeto de vanádio, nitreto de silício e nitreto de titânio sobre ... -
Avanços na determinação da distribuição em profundidade de elementos leves com resolução subnanométrica utilizando reações nucleares ressonantes
Pezzi, Rafael Peretti (2004) [Dissertação]A utilização de reações nucleares ressonantes estreitas em baixas energias é uma ferramenta importante para a determinação de distribuições de elementos leves em filmes finos com resolução em profundidade subnanométrica. ... -
Caracterização e estabilidade térmica de filmes dielétricos depositados sobre silício
Tatsch, Felipe Wolff (2005) [Resumo publicado em evento] -
Comment on "Atomic transport and chemical stability during annealing of ultrathin Al/sub 2/O/sub 3/ films on Si" : reply
Krug, Cristiano; Rosa, Elisa Brod Oliveira da; Almeida, Rita Maria Cunha de; Morais, Jonder; Baumvol, Israel Jacob Rabin; Salgado, Tania Denise Miskinis; Stedile, Fernanda Chiarello (2001) [Artigo de periódico] -
Comment on "Ion mixing of metal/Al bilayers near 77K"
Vasconcellos, Marcos Antonio Zen; Costa, Jose Antonio Trindade Borges da; Schreiner, Wido Herwig; Baumvol, Israel Jacob Rabin (1989) [Artigo de periódico] -
Comparative study of intermetallic phases formed by direct ion implantation and radiation enhanced diffusion of tin in two kinds of steel
Dionisio, Paulo Henrique; Barros Junior, Bernardo A.S. de; Baumvol, Israel Jacob Rabin (1985) [Artigo de periódico]The surface layers of high-carbon and stainless steel samples, treated by both direct ion implantation of Sn + ions and radiation enhanced diffusion of tin, are analyzed by means of Rutherford backscattering and 119Sn and ... -
Comparison of nitrogen incorporation in SiO/sub 2//SiC and SiO/sub 2/Si structures
McDonald, K.; Huang, M.B.; Weller, R.A.; Feldman, L.C.; Williams, J.R.; Stedile, Fernanda Chiarello; Baumvol, Israel Jacob Rabin; Radtke, Claudio (2000) [Artigo de periódico]The nitrogen content of SiO2/SiC (4H) structures annealed in NO and N2O has been measured using nuclear reaction analysis. Samples were annealed in 15N18O or 15N2O at 1000 °C at a static pressure of 10 mbar for either 1 ... -
Composição superficial e propriedades mecânicas e tribológicas de aços carbono implantados com nitrogênio
Santos, Carlos Alberto dos (1984) [Tese]Investigam-se no presente trabalho as relações entre a composição superficial e as propriedades mecânicas e tribolõgicas de aços carbono implantados com nitrogenio. Os resultados dos testes de propriedades mecanicas e ... -
Compositional and magnetic properties of iron nitride thin films
Mosca Junior, Dante Homero; Dionisio, Paulo Henrique; Schreiner, Wido Herwig; Baumvol, Israel Jacob Rabin (1990) [Artigo de periódico]The compositional and magnetic properties of iron-nitride thin films deposited by de reactive magnetron sputtering under various nitrogen partial pressure conditions have been investigated by x-ray diffraction, Mossbauer ... -
Compositional stability of hafnium aluminates thin films deposited on Si by atomic layer deposition
Driemeier, Carlos Eduardo; Bastos, Karen Paz; Miotti, Leonardo; Baumvol, Israel Jacob Rabin; Nguyen, N. V.; Sayan, S.; Krug, Cristiano (2005) [Artigo de periódico]We have used nuclear reaction analyses and Rutherford backscattering spectrometry to investigate quantitatively the compositional stability of hafnium aluminate thin films deposited on Sis001d by atomic layer deposition ... -
Composition, atomic transport, and chemical stability of ZrAl/sub x/O/sub y/ ultrathin films deposited on Si(001)
Morais, Jonder; Rosa, Elisa Brod Oliveira da; Pezzi, Rafael Peretti; Miotti, Leonardo; Baumvol, Israel Jacob Rabin (2001) [Artigo de periódico]The stability of a ZrAlxOy film sputtered on Si upon thermal annealing in vacuum or in O2 was investigated. X-ray diffraction indicated that the as-deposited film was amorphous and remained so after annealing. Rutherford ... -
Compression mechanism and pressure-induced amorphization of [upsilon]-ZrW/sub 2/O/sub 8/
Figueiredo, Camila Araújo de; Catafesta, Jadna; Zorzi, Janete Eunice; Souza, Leonardo Salvador; Baumvol, Israel Jacob Rabin; Gallas, Marcia Russman; Jornada, Joao Alziro Herz da; Perottoni, Claudio Antonio (2007) [Artigo de periódico]The structure of [upsilon]-ZrW2O8 has been optimized at zero pressure and also at V/V0=0.97 by means of density functional theory calculations using the B3LYP functional. As previously found for [upsilon]-ZrW2O8, tungsten ... -
Corrosion behavior of steel coated with thin film tin/ti composites
Hubler, Roberto; Schroer, A.; Ensinger, W.; Wolf, Gerhard K.; Stedile, Fernanda Chiarello; Schreiner, Wido Herwig; Baumvol, Israel Jacob Rabin (1993) [Artigo de periódico]Thin film multilayered TiN/Ti composites are investigated as a possible alternative for protective coating of steels. Corrosion tests based in cyclovoltametry made in a buffered acetic acid solution reveal that multilayered ...