Magnetic Properties of Cobalt-Contained Iron Oxides (Part 2)
نویسندگان
چکیده
منابع مشابه
Controllable fabrication and magnetic properties of double-shell cobalt oxides hollow particles
Double-shell cobalt monoxide (CoO) hollow particles were successfully synthesized by a facile and effective one-pot solution-based synthetic route. The inner architecture and outer structure of the double-shell CoO hollow particles could be readily created through controlling experimental parameters. A possible formation mechanism was proposed based on the experimental results. The current synt...
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The paper describes the properties of some nanopowders obtained by coprecipitation and used as adsorbent for wastewater treatment. The Fe3O4 and γ-Fe2O3 nanopowders were obtained using iron salts and NaOH as precipitation agents. D-sorbitol was used to prevent the agglomeration between the nanoparticles. The particle size and distribution were detected using a transmission electron microscopy (...
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FefCo multilayered films with about 3 000 A thick have been deposited by an opposed targets sputtering apparatus. The films with deposition period dlayer above 10 A have layered structure. Their magnetic properties changes significantly with dl, and the film with dlayer around 60 A has the lowest coercive force of about 6 Oe and saturation magnetization about 1 600 emufcc.
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Improved magnetic characters of graphene oxides besides its unique biocompatibility make this compound as a theranostics agent could be so practical in the medicine fields. Oxygen functionalities with disturbing the symmetry of graphene sublattices could induce magnetic moments and improve magnetic properties in these structures. While that, vacancies and distortions, created by oxygen release...
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Medium-pore (diameter ~ 6A) zeolites such as ZSM-5 and silicalite impregnated with Group VIII metals provide selective catalytic pathways for the conversion of synthesis gas to gasoline or olefins. Mössbauer and magnetic studies on these catalysts containing iron or iron plus cobalt are reported. The zeolites were impregnated with metal nitrate solutions, reduced, and carbided to yield showed F...
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ژورنال
عنوان ژورنال: Journal of the Japan Society of Powder and Powder Metallurgy
سال: 1979
ISSN: 0532-8799,1880-9014
DOI: 10.2497/jjspm.26.149