[go: up one dir, main page]

Yu et al., 1996 - Google Patents

Preparation of NiFe2O4 powder by spray pyrolysis of nitrate aerosols in NH3

Yu et al., 1996

Document ID
6000692838066737573
Author
Yu H
Gadalla A
Publication year
Publication venue
Journal of Materials research

External Links

Snippet

To avoid the formation of hollow spheres during spray pyrolysis, NH3 was employed to change the mechanism of forming NiFe2O4 from aerosols, containing Ni (II) and Fe (III) nitrates in the required stoichiometric ratio. Nearly spherical, solid submicron NiFe2O4 …
Continue reading at www.cambridge.org (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14Methods for preparing oxides or hydroxides in general
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02Preparation of oxygen
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/06Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G3/00Compounds of copper
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B31/00Carbon; Compounds thereof
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/04Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof
    • C01B15/043Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of alkali metals, alkaline earth metals or magnesium or beryllium or aluminium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area

Similar Documents

Publication Publication Date Title
Yu et al. Preparation of NiFe2O4 powder by spray pyrolysis of nitrate aerosols in NH3
KR100371114B1 (en) Method for preparing multielement metal oxide powder
US5480630A (en) Process for producing fine metal oxide particles
Jézéquel et al. Submicrometer zinc oxide particles: Elaboration in polyol medium and morphological characteristics
Liu et al. Preparation of spherical fine ZnO particles by the spray pyrolysis method using ultrasonic atomization techniques
CA2153048C (en) Process for producing nanoscale ceramic powders
EP1934384B1 (en) Coating method of metal oxide superfine particles on the surface of metal oxide and coating produced therefrom
US4839339A (en) Superconductor precursor mixtures made by precipitation method
Pati et al. Low‐temperature chemical synthesis of nanocrystalline MgAl2O4 spinel powder
US20140217630A1 (en) Method for the production of multiphase composite materials using microwave plasma process
Xu et al. Synthesis of solid, spherical CeO2 particles prepared by the spray hydrolysis reaction method
Che et al. Preparation of dense spherical Ni particles and hollow NiO particles by spray pyrolysis
Xia et al. Preparation of nickel powders by spray pyrolysis of nickel formate
CA2942322A1 (en) Method for the production of multiphase composite materials using microwave plasma process
Gadalla et al. Thermal decomposition of Fe (III) nitrate and its aerosol
Pluym et al. Palladium metal and palladium oxide particle production by spray pyrolysis
Gadalla et al. Preparation of fine, hollow, spherical NiFe2O4 powders
KR100828933B1 (en) Cobalt-Metal Nanopowder and Manufacturing Method Thereof
Xia et al. The roles of ammonia and ammonium bicarbonate in the preparation of nickel particles from nickel chloride
Castillo et al. Inductively coupled plasma synthesis of CeO2-based powders from liquid solutions for SOFC electrolytes
Ortega et al. Formation of dense barium calcium titanate (Ba0. 86Ca0. 14TiO3) particles by aerosol decomposition
Li et al. Preparation and characterization of porous yttrium oxide powders with high specific surface area
KR100752954B1 (en) Method for preparing nanoporous powder using ultrasonic spray pyrolysis and nanopowder prepared thereby
JP3276330B2 (en) Method for producing spherical powder and spherical powder produced by this method
EP0481689A1 (en) Process for controlling degree of dispersion of active component of metal/carrier solid catalyst