[PDF] Top 20 Synthesis and characterization of Fe/Co/Ni alloys-MgO nanocomposite powders
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Synthesis and characterization of Fe/Co/Ni alloys-MgO nanocomposite powders
... 0.47 Co 0.31 Ni 0.22 ). It is noteworthy that only one population of metal particles (D) is observed in the R1200 ...contents of Fe, Co and Ni are in the 53–56, ... Voir le document complet
9
Synthesis and characterization of Fe/Co/Ni alloys-MgO nanocomposite powders
... 0.47 Co 0.31 Ni 0.22 ). It is noteworthy that only one population of metal particles (D) is observed in the R1200 ...contents of Fe, Co and Ni are in the 53–56, ... Voir le document complet
8
Synthesis, characterization and thermal behaviour of Fe0.65Co0.35-MgAl2O4 and Fe0.65Ni0.35-MgAl2O4 nanocomposite powders
... coupling of iron moments as pro- posed by Kondorsky and Sedov 16 to account for the decrease of the bulk magnetic moments in the Invar ...origin of these antifer- romagnetic regions in ... Voir le document complet
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Synthesis of Fe-ZrO2 nanocomposite powders by reduction in H2 of a nanocrystalline (Zr, Fe)O2 solid solution
... ceramic-matrix nanocomposite materials, where nanometric metal particles are dispersed in an oxide matrix, have attracted much interest owing to their exceptional optical, elec- trical, magnetic and ... Voir le document complet
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Synthesis of carbon nanotube-Fe-Al2O3 nanocomposite powders by selective reduction of different Al1.8Fe0.2O3 solid solutions
... nature of both the catalyst and the treatment atmos- The appropriate amounts of (NH4)2(C2O4)Ω2H2O, ...zeolite-supported Co catalyst, Ivanov Al(NO 3 ) 3Ω 9H 2 O, and Fe(NO 3 ) 3Ω ... Voir le document complet
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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
... MS of a standard R-Fe foil and the isomer-shift values quoted hereafter are with reference to this ...spectra of the nanocomposite powders were analyzed assuming symmetrical ... Voir le document complet
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Synthesis of carbon nanotube–Fe-Al2O3 nanocomposite powders by selective reduction of different Al1.8Fe0.2O3 solid solutions
... nature of both the catalyst and the treatment atmos- The appropriate amounts of (NH4)2(C2O4)Ω2H2O, ...zeolite-supported Co catalyst, Ivanov Al(NO 3 ) 3Ω 9H 2 O, and Fe(NO 3 ) 3Ω ... Voir le document complet
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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
... study of the CNT-Fe/Co- MgAl 2 O 4 nanocomposite powders 27 showed that the formation of CNTs on Fe/Co-alloy particles occurs without carburization of the ... Voir le document complet
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Effects of inter-site Coulomb interactions on ferromagnetism: Application to Fe, Co and Ni
... are of electrostatic ...decoupling of these latter terms renormalizes the hopping integrals and we will show that they are responsible for the differ- ent d bandwidths for up and down spins ... Voir le document complet
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Synthesis and electrical characterization of monocrystalline nickel nanorods and Ni-CNT composites
... decomposition of metal- organic precursors in the presence of self-assembled ...consisting of semi-flattened rods with pyramidal ...body and its head, there was no disruption in the ... Voir le document complet
3
Carbon nanotubes–Fe–alumina nanocomposites. Part I: influence of the Fe content on the synthesis of powders
... area of the carbon species other than nano- tubes. From 10 to 15 wt% Fe, the dierence between the R900 and R1000 powders may be a consequence of the dierence in size of the ... Voir le document complet
11
Synthesis and characterization of Ni/GDC cermet catalysts for hydrogen production
... batches of acrylic resin microspheres (with ability to exchange NH 4 + ions) with a 630-800 m diameter distribution were placed in a beaker, together with a solution containing the ionic species that we need to ... Voir le document complet
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Low-temperature molten salt synthesis and characterization of Cu2ZnSnS4 ultrafine powders
... electrical, and electronic propreties (1-4) ...because of its high absorption coefficient of 104 cm- 1 in visible spectrum ...energy of this semiconductor is in the range ...consisting ... Voir le document complet
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CCVD synthesis of carbon nanotubes with W/Co–MgO catalysts
... more and more structural defects when increasing the W/Co ...presence of increasing amounts of CNF and amorphous ...case of CNT prepared from catalysts containing both Co ... Voir le document complet
7
Low-temperature molten salt synthesis and characterization of Cu2ZnSnS4 ultrafine powders
... patterns of the sulfide formed by reaction of metal chlorides in molten KSCN with the molar ratio KSCN/Cu = 15 at 350 and 400 ◦ C for 24 ...formation of quaternary chalcogenide phase has not ... Voir le document complet
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Carbon nanotubes-Fe-alumina nanocomposites. Part I: influence of the Fe content on the synthesis of powders
... contain Fe carbide nanoparticles as well as undesirable thick, short carbon tubes and thick gra- phene layers covering the Fe/Fe carbide nano- ...in¯uence of the Fe content ... Voir le document complet
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Bias Dependence of the Electrical Spin Injection into GaAs from Co − Fe − B / MgO Injectors with Different MgO Growth Processes
... understanding of the interface, we study the room-temperature electrical proper- ties of a ...The MgO barriers have been prepared either by MBE or by sputtering methods, as those of the spin ... Voir le document complet
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Hydrogen and water vapour effects on oxygen solubility and diffusivity in high temperature Fe-Ni alloys
... pure Fe during exposure at high temperature with the oxygen partial pressure set at the Fe/FeO equilibrium as shown in Figure ...2.7, and also to remove possible surface contamination from handling ... Voir le document complet
435
Synthesis, Characterization, and Biological Evaluation of Red-Absorbing Fe(II) Polypyridine Complexes
... most of the research has been performed on PSs with a tetrapyrrolic ...stability and photostability, high 1 O 2 production) [ 16 – 19 ...field of research are Ru(II) [ 18 , 20 – 23 ], Os(II) [ 24 , ... Voir le document complet
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Large inverse magnetoresistance in fully epitaxial Fe∕Fe3O4∕MgO∕Co magnetic tunnel junctions
... epitaxial Fe 共001兲/Fe 3 O 4 共001兲/MgO共001兲/Co micron-sized magnetic tunnel junctions have been elaborated on MgO 共001兲 ...reflectivity and high-resolution transmission electron ... Voir le document complet
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