Results 161 to 170 of about 161,513 (250)

Microwave Absorption and Magnetic Properties of M-Type Hexagonal Ferrite Ba_0.95Ca_0.05Fe_12-xCo_xO₁₉ (0 ≤ X ≤ 0.4) at 1-18 GHz. [PDF]

Materials (Basel)
Li J, Yao H, Huang Y, Wang H.
europepmc   +1 more source

New magnetic nanocomposites based on hexafrite and keggin-type -type heteropolyanions: Synthesized and characterized for removal of environmental pollutants. [PDF]

Heliyon
Rezvani MA, Hemmatzadeh A, Seyed Dorraji MS, Nourbakhsh N, Oroumi G.   +4 more
europepmc   +1 more source

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Barium hexaferrite suspensions for electrophoretic deposition

Journal of Colloid and Interface Science, 2009
In this investigation we have looked at the preparation of barium hexaferrite suspensions, with the stability of the magnetic barium hexaferrite particles being increased by the addition of a surfactant, dodecylbenzylsulfonic acid (DBSA). The influence of the solubility DBSA in different solvents and its adsorption onto the surfaces of particles with ...
Darja Lisjak, Simona Ovtar, Miha Drofenik   +2 more
exaly   +3 more sources

Magnetic Behavior of Barium Hexaferrite Nanoparticles

Advanced Materials Research, 2011
An analysis of the magnetic behavior of Barium Hexaferrite nanoparticles is presented in this paper. The particles’ average size is around 200 nm. The SU-8 photoresist is used as dielectric host matrix in which the particles are embedded. The volume fraction of magnetic particles reached is around 10%. Microwave characterizations show the properties of
Boyajian, Taline, Vincent, Didier, Leberre, Martine, Neveu, Sophie   +3 more
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Hydrothermal synthesis of barium hexaferrite

High Pressure Research, 2001
Abstract The authors of the report carried out synthesis of barium hexaferrite (BHF) both in water vapor atmosphere and in liquid medium in the temperature range 200-400°C at pressures PH2O of 9-26MPa in laboratory autoclaves. The results of research have shown that BHF with the best performances can be obtained by thermovaporous treatment of dry ...
Yurii Ivakin, M N Danchevskaya
exaly   +2 more sources

Magnetic properties of barium hexaferrite powders

Journal of Magnetism and Magnetic Materials, 1994
Abstract In this paper, the magnetic properties of unsubstituted and substituted barium hexaferrite powders are examined. The powders were prepared by the glass crystallization method and characterized geometrically by electron microscopy, and magnetically by measurements of remanence curves.
M. El-Hilo, H. Pfeiffer, K. O'Grady, W. Schüppel, E. Sinn, P. Görnert, M. Rösler, D.P.E. Dickson, R.W. Chantrell   +8 more
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Effect of Barium on the Properties of Lead Hexaferrite [PDF]

Journal of Superconductivity and Novel Magnetism, 2011
An analysis of the properties of a family based on lead-barium substitution in the M-type hexaferrite is presented. The samples were prepared by the ceramic method according to the general formula Pb x Ba1−x Fe12O19.
A. L. Guerrero-Serrano, T. J. Pérez-Juache, M. Mirabal-García, J. A. Matutes-Aquino, S. A. Palomares-Sánchez   +4 more
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Barium hexaferrite nanoparticles with high magnetic properties by salt-assisted ultrasonic spray pyrolysis

Journal of Alloys and Compounds, 2014
Herein, we synthesized non-agglomerated barium hexaferrite nanoparticles by salt-assisted ultrasonic spray pyrolysis at different reaction temperatures.
Yong-Ho Choa, Jongryoul Kim, Tea-Yeon Hwang   +2 more
exaly   +2 more sources

Crystallization of barium hexaferrite

Proceedings, annual meeting, Electron Microscopy Society of America, 1992
Barium hexaferrite (BaFe12O19) is a promising candidate for high density magnetic recording media due to its superior magnetic properties. For particulate recording media, nano-sized single crystalline powders with a narrow size distribution are a primary application requirement.
Chung-kook Lee, Yolande Berta, Robert F. Speyer   +2 more
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Formation of barium hexaferrite

Journal of Magnetism and Magnetic Materials, 1975
Abstract The reactivity of hematite produced by pyrolysis of iron salts at various temperatures was assessed by surface area measurement, electron microscopy, crystal size and by reacting it with BaCO3 to form hexaferrite. The effect of heating rate, soaking temperature and time were studied.
A.M. Gadalla, H.W. Hennicke
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