Search Results - "De Resende, Valdirene G."
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Catalytic Chemical Vapor Deposition Synthesis of Double-Walled and Few-Walled Carbon Nanotubes by Using a MoO3-Supported Conditioning Catalyst to Control the Formation of Iron Catalytic Particles within an α-Al1.8Fe0.2O3 Self-Supported Foam
Published in Journal of physical chemistry. C (18-11-2010)“…α-Al1.8Fe0.2O3 and α-Al1.8Fe0.2O3−MoO3 self-supported foams are used as catalytic materials for the synthesis of carbon nanotubes by catalytic chemical vapor…”
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Fe-Substituted Mullite Powders for the In Situ Synthesis of Carbon Nanotubes by Catalytic Chemical Vapor Deposition
Published in Journal of physical chemistry. C (02-07-2009)“…Powders of iron-substituted mullite were prepared by combustion and further calcination in air at different temperatures. A detailed study involving notably…”
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CCVD Synthesis of Single- And Double-Walled Carbon Nanotubes: Influence of the Addition of Molybdenum to Fe−Al2O3 Self-Supported Foams
Published in Journal of physical chemistry. C (04-12-2008)“…Powders of α-Al1.8Fe0.2O3 solid solution are prepared by combustion and are attrition-milled with different amounts of ammonium heptamolybdate before being…”
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Presence of Metallic Fe Nanoclusters in α-(Al,Fe) 2 O 3 Solid Solutions
Published in Journal of physical chemistry. C (23-10-2008)Get full text
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Surface Composition of Carbon Nanotubes-Fe-Alumina Nanocomposite Powders: An Integral Low-Energy Electron Mössbauer Spectroscopic Study
Published in Journal of physical chemistry. C (17-04-2008)“…The surface state of carbon nanotubes-Fe-alumina nanocomposite powders was studied by transmission and integral low-energy electron Mössbauer spectroscopy…”
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In situ high-temperature Mössbauer spectroscopic study of carbon nanotube―Fe―Al2O3 nanocomposite powder
Published in Thermochimica acta (10-10-2009)“…The oxidation of a carbon nanotube–Fe–Al2O3 nanocomposite powder was investigated using notably thermogravimetric analysis, room temperature transmission and…”
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Catalytic chemical vapor deposition synthesis of single- and double-walled carbon nanotubes from α-(Al1−Fe )2O3 powders and self-supported foams
Published in Carbon (New York) (01-02-2009)“…An investigation of the potential interest of α-alumina–hematite foams, as opposed to powders, as starting materials for the synthesis of carbon nanotubes…”
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Catalytic Chemical Vapor Deposition Synthesis of Double-Walled and Few-Walled Carbon Nanotubes by Using a MoO 3 -Supported Conditioning Catalyst to Control the Formation of Iron Catalytic Particles within an α-Al 1.8 Fe 0.2 O 3 Self-Supported Foam
Published in Journal of physical chemistry. C (18-11-2010)Get full text
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Hyperfine interactions in szomolnokite (FeSO 4·H 2O)
Published in Journal of molecular structure (30-04-2009)“…The temperature dependencies of the ferrous Mössbauer parameters for synthetic szomolnokite are determined in the range between 4 and 450 K. A magnetic…”
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Catalytic chemical vapor deposition synthesis of single- and double-walled carbon nanotubes from alpha-(Al1-xFex)2O3 powders and self-supported foams
Published in Carbon (New York) (01-02-2009)“…An investigation of the potential interest of alpha-alumina -hematite foams, as opposed to powders, as starting materials for the synthesis of carbon nanotubes…”
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Catalytic chemical vapor deposition synthesis of single- and double-walled carbon nanotubes from alpha -(Al sub(1-) sub(x)Fe sub(x)) sub(2)O sub(3 powders and self-supported foams)
Published in Carbon (New York) (01-02-2009)“…An investigation of the potential interest of alpha -alumina-hematite foams, as opposed to powders, as starting materials for the synthesis of carbon nanotubes…”
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Catalytic chemical vapor deposition synthesis of single- and double-walled carbon nanotubes from α-(Al 1− x Fe x ) 2O 3 powders and self-supported foams
Published in Carbon (New York) (2009)“…An investigation of the potential interest of α-alumina–hematite foams, as opposed to powders, as starting materials for the synthesis of carbon nanotubes…”
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In situ high-temperature Moessbauer spectroscopic study of carbon nanotube-Fe-Al(2)O(3) nanocomposite powder
Published in Thermochimica acta (10-10-2009)“…The oxidation of a carbon nanotube-Fe-Al(2)O(3) nanocomposite powder was investigated using notably thermogravimetric analysis, room temperature transmission…”
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In situ high-temperature Mössbauer spectroscopic study of carbon nanotube–Fe–Al 2O 3 nanocomposite powder
Published in Thermochimica acta (2009)“…The oxidation of a carbon nanotube–Fe–Al 2O 3 nanocomposite powder was investigated using notably thermogravimetric analysis, room temperature transmission and…”
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Synthesis of γ-(Al1-xFex)2O3 solid solutions from oxinate precursors and formation of carbon nanotubes from the solid solutions using methane or ethylene as carbon source
Published in Journal of materials research (01-11-2008)“…This work reports for the first time the synthesis of γ-(Al1-xFex)2O3 solid solutions with a high specific surface area (200-230 m2/g) by the decomposition of…”
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Synthesis of γ-(Al 1-x Fe x ) 2 O 3 solid solutions from oxinate precursors and formation of carbon nanotubes from the solid solutions using methane or ethylene as carbon source
Published in Journal of materials research (01-11-2008)“…This work reports for the first time the synthesis of γ-(Al 1-x Fe x ) 2 O 3 solid solutions with a high specific surface area (200-230 m 2 /g) by the…”
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Synthesis of gamma-(Al1-xFex)2O3 solid solutions from oxinate precursors and formation of carbon nanotubes from the solid solutions using methane or ethylene as carbon source
Published in Journal of materials research (01-11-2008)“…This work reports for the first time the synthesis of gamma-(Al1-xFe)2O3 solid solutions with a high specific surface area (200-230 m2/g) by the decomposition…”
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Presence of Metallic Fe Nanoclusters in α-(Al,Fe)2O3 Solid Solutions
Published in Journal of physical chemistry. C (23-10-2008)“…Powders of α-(Al1-x Fe x )2O3 solid solutions prepared by the calcination in air of the corresponding γ-(Al1-x Fe x )2O3 powders were studied by several…”
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Temperature dependence of the hyperfine parameters of the iron bearing phases in the Mössbauer spectra collected by the Mars Exploration Rover Spirit
Published in Hyperfine interactions (01-04-2009)“…This contribution focuses on the Mössbauer spectra acquired by the Mars Exploration Rover Spirit which carried a MIMOS II Mössbauer spectrometer. Only those…”
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