Search Results - "Vandenberghe, Robert E"

A Study of the Formation of Single- and Double-Walled Carbon Nanotubes by a CVD Method by Peigney, Alain, Coquay, Pierre, Flahaut, Emmanuel, Vandenberghe, Robert E, De Grave, Eddy, Laurent, Christophe

“…The reduction in H2/CH4 atmosphere of aluminum−iron oxides produces metal particles small enough to catalyze the formation of single-walled carbon nanotubes…”
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Carbon Nanotubes by a CVD Method. Part II: Formation of Nanotubes from (Mg, Fe)O Catalysts by Coquay, Pierre, Peigney, Alain, De Grave, Eddy, Vandenberghe, Robert E, Laurent, Christophe

“…The aim of this paper is to study the formation of carbon nanotubes (CNTs) from different Fe/MgO oxide powders that were prepared by combustion synthesis and…”
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Yellowing of a Red South African Kandiudult, Studied by Means of Mössbauer Spectroscopy by Van Ranst, Eric, Padmanabhan, Eswaran, Vandenberghe, Robert E, De Grave, Eddy, Mees, Florias

“…ABSTRACTAn Acrudoxic Kandiudult soil profile from Farmhill, KwaZulu-Natal Province, South Africa, was analyzed by Mössbauer spectroscopy as an example of a red…”
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Fe/Co Alloys for the Catalytic Chemical Vapor Deposition Synthesis of Single- and Double-Walled Carbon Nanotubes (CNTs). 1. The CNT−Fe/Co−MgO System by Coquay, Pierre, Peigney, Alain, De Grave, Eddy, Flahaut, Emmanuel, Vandenberghe, Robert E, Laurent, Christophe

“…Mg0.90Fe x Co y O (x + y = 0.1) solid solutions were synthesized by the ureic combustion route. Upon reduction at 1000 °C in H2−CH4 of these powders, Fe/Co…”
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Fe/Co Alloys for the Catalytic Chemical Vapor Deposition Synthesis of Single- and Double-Walled Carbon Nanotubes (CNTs). 2. The CNT−Fe/Co−MgAl2O4 System by Coquay, Pierre, Flahaut, Emmanuel, De Grave, Eddy, Peigney, Alain, Vandenberghe, Robert E, Laurent, Christophe

“…A detailed 57Fe Mössbauer study of the Mg0 .8Fe0.2 - y Co y Al2O4 (y = 0, 0.05, 0.1, 0.15, 0.2) solid solutions and of the CNT−Fe/Co−MgAl2O4 nanocomposite…”
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Carbon Nanotubes by a CVD Method. Part I:  Synthesis and Characterization of the (Mg, Fe)O Catalysts by Coquay, Pierre, De Grave, Eddy, Peigney, Alain, Vandenberghe, Robert E, Laurent, Christophe

“…The controlled synthesis of carbon nanotubes by chemical vapor deposition requires tailored and well-characterized catalyst materials. We attempted to…”
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Presence of Metallic Fe Nanoclusters in α-(Al,Fe)2O3 Solid Solutions by Resende, Valdirene G. de, Cordier, Anne, Grave, Eddy De, Laurent, Christophe, Eeckhout, Sigrid G, Giuli, Gabriele, Peigney, Alain, Costa, Geraldo M. da, Vandenberghe, Robert E

“…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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On the Influence of Order on the Soft Magnetic Properties of Fe‐Si Alloys by Ruiz, Daniel, Ros‐Yéñez, Tanya, Vandenberghe, Robert E., Houbaert, Yvan

“…Five high‐Si steels (1.9, 3.3, 4.2, 5 and 5.6 wt.% Si) were processed by conventional hot and cold rolling. Using a proper thermomechanical schedule, it was…”
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Magnetic behavior of Nd50Fe40Al10 bulk amorphous alloys by CHIRIAC, Horia, LUPU, Nicoleta, RAO, K. V, VANDENBERGHE, Robert E

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Presence of Metallic Fe Nanoclusters in α-(Al,Fe) 2 O 3 Solid Solutions by Resende, Valdirene G. de, Cordier, Anne, Grave, Eddy De, Laurent, Christophe, Eeckhout, Sigrid G., Giuli, Gabriele, Peigney, Alain, Costa, Geraldo M. da, Vandenberghe, Robert E.

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Presence of Metallic Fe Nanoclusters in r-(Al,Fe)2O3 Solid Solutions by de Resende, Valdirene Gonzaga, Cordier, Anne, de Grave, Eddy, Laurent, Christophe, Eeckhout, Sigrid G., Giuli, Gabriele, Peigney, Alain, da Costa, Geraldo M., Vandenberghe, Robert E.

“…Powders of R-(Al1-xFex)2O3 solid solutions prepared by the calcination in air of the corresponding γ-(Al1- xFex)2O3 powders were studied by several techniques…”
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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 by de Resende, Valdirene G., Cordier, Anne, De Grave, Eddy, Weibel, Alicia, Peigney, Alain, da Costa, Geraldo M., Laurent, Christophe, Vandenberghe, Robert E.

“…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 by de Resende, Valdirene G., Cordier, Anne, De Grave, Eddy, Weibel, Alicia, Peigney, Alain, da Costa, Geraldo M., Laurent, Christophe, Vandenberghe, Robert E.

“…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 by De Resende, Valdirene G, Cordier, Anne, De Grave, Eddy, Weibel, Alicia, Peigney, Alain, Da Costa, Geraldo M, Laurent, Christophe, Vandenberghe, Robert E

“…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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Temperature dependence of the hyperfine parameters of the iron bearing phases in the Mössbauer spectra collected by the Mars Exploration Rover Spirit by Van Cromphaut, Caroline, de Resende, Valdirene G., De Grave, Eddy, Vandenberghe, Robert E.

“…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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Fe/Co Alloys for the Catalytic Chemical Vapor Deposition Synthesis of Single- and Double-Walled Carbon Nanotubes (CNTs). 2. The CNT−Fe/Co−MgAl 2 O 4 System by Coquay, Pierre, Flahaut, Emmanuel, De Grave, Eddy, Peigney, Alain, Vandenberghe, Robert E., Laurent, Christophe

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Effect of atomic order on the electrical and magnetic properties of Fe100-xSix (6 < x < 14) alloys by RUIZ, Daniel, ROS-YANEZ, Tanya, ORTEGA, Leticia, SASTRE, Laura, VANDENBOSSCHE, Lode, LEGENDRE, Bernard, DUPRE, Luc, VANDENBERGHE, Robert E, HOUBAERT, Yvan

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Mössbauer spectroscopy study of MgAl2O4-MATRIX nanocomposite powders containing carbon nanotubes and iron-based nanoparticles by COQUAY, P, DE GRAVE, E, VANDENBERGHE, R. E, DAUWE, C, FLAHAUT, E, LAURENT, C, PEIGNEY, A, ROUSSET, A

“…Materials involved in the catalytic formation of carbon nanotubes are for the first time systematically studied by Mössbauer spectroscopy between 11 K and room…”
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Mössbauer Spectroscopy Involved in the Study of the Catalytic Growth of Carbon Nanotubes by Coquay, Pierre, de Grave, Eddy, Vandenberghe, Robert E., Peigney, Alain, Laurent, Christophe

“…Single-walled and thin multiwalled carbon nanotubes are prepared by a catalytic-chemical-vapor-deposition method involving the simultaneous formation of Fe or…”
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From ceramic-matrix nanocomposites to the synthesis of carbon nanotubes by Coquay, Pierre, Laurent, Christophe, Peigney, Alain, Quénard, Olivier, de Grave, Eddy, Vandenberghe, Robert E.

“…The selective reduction in H2 of oxide solid solutions produces nanocomposite powders in which transition metal nanoparticles are dispersed inside and on the…”
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