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RISPreparation and Characterization of Barium Carbonate Nanoparticles
In this research barium carbonate nanoparticle with composition BaCO3 (Witherite) was prepared by using the gel-combustion (sol - gel) method. A precursor sol was obtained from barium nitrate. The molar ratio of ...
Synthesize of YBa 2 Cu 3 O 7-δ nanoparticles and the coexistence of superconductivity and ferromagnetic phases
Magnetic properties of superconducting yttrium barium copper oxide (YBa 2 Cu 3 O 7-δ) nanoparticles (27 nm), prepared by a citrate gel modification of the sol-gel technique, have been studied. A ccording to ...
Effect of Different Calcination Process and Gd2O3 as Impurities on the Different Phases of Bi-Based Superconductor
In this research two samples of a nominal composition Bi1.6Pb0.4Sr2Ca2Cu3Ox were prepared by the solid state reaction method, using two different routes. Codes A and B are used to refer to the two samples. In preparing ...
Effect of Substitutions of Zn for Mn on Size and Magnetic Properties of Mn–Zn Ferrite Nanoparticles
Abstract In this study Mn–Zn ferrite nanoparticles
(Mn(1−x)ZnxFe2O4, x = 0, 0.3 and 0.5) were produced by
a chemical co-precipitation method. The structure and size
of the Mn–Zn ferrite nanoparticles ...