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Development of Optimum Preparation Conditions of Fe-Deficient M-Type Ca–Sr–La System Hexagonal Ferrite Magnet

IEEE transactions on magnetics, 2021
In this work, an experiment was carried out to investigate the preparation condition of anisotropic Fe-deficient M-type Ca–Sr–La system ferrite with optimum magnetic and physical properties using the raw material Fe2O3 from steel industrial iron oxide ...
Ching-Chien Huang   +8 more
semanticscholar   +1 more source

Molybdenum Substituted M‐type Hexagonal Barium Ferrite for High Microwave Absorption Performance

International Journal of Applied Ceramic Technology, 2023
With the advancement of electrical and electronic devices, overcoming electromagnetic pollution turns into an urgent problem. In this work, high‐valence molybdenum (Mo6+) was doped into M‐type hexagonal barium ferrite (BaFe12‐xMoxO19) to improve its ...
Junpeng Wu   +6 more
semanticscholar   +1 more source

Structural, Magnetic, Electrical and Photo-Fenton Properties of Copper Substituted Strontium M-Hexagonal Ferrite Nanomaterials via Chemical Coprecipitation Approach.

Journal of Nanoscience and Nanotechnology, 2020
Copper substituted strontium ferrite nano spinels were synthesized by facile chemical coprecipitation method. Structural properties of all the nano materials were examined using Powder X-ray Diffraction of size ranging 22-50 nm and High Resolution ...
T. L. Ajeesha   +3 more
semanticscholar   +1 more source

Hexagonal Ferrite: From Macro‐ to Nanocrystal

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Yu. A. Mamluı̆, L. P. Ol’khovik
openaire   +1 more source

Crystallography of the Hexagonal Ferrites

Science, 1971
The hexagonal ferrites form an unusual group of complex, ferrimagnetic oxides embodying some 60 known crystal structures. These include phases for which the structural unit cell is larger than that in any known inorganic materials. The various hexagonal ferrite modifications fall into two distinct structural series, each formed by the ...
J. A. Kohn   +2 more
openaire   +1 more source

Magnetostriction of some hexagonal ferrites

Journal of Applied Physics, 1981
With the aim of beginning a systematic characterization of the magnetoelastic properties of the hexagonal ferrites we measured the room temperature magnetostriction in a number of these materials. The analysis of the experimental results allows us to conclude that: a) the saturation magnetostriction in hexaferrites is of the same order of magnitude as ...
F. Licci, S. Rinaldi
openaire   +1 more source

Hexagonal Ferrites at Millimeter Wavelengths

9th European Microwave Conference, 1979, 1979
Hexagonal ferrites may show a renaissance as candidates for various microwave devices in the millimeter wavelength range if perfect and low-loss materials, either bulk crystals or epitaxial layers, can be grown. Use is made of the large anisotropy fields of compounds with uniaxial magnetic anisotropy. These intrinsic anisotropy fields together with the
G. Winkler, H. Dotsch
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Dielectric Properties of Hexagonal Ferrites

physica status solidi (a), 1986
Dielectric properties of hexagonal ferrites BaFe12O19, BaTi2Fe4O11, and BaSn2Fe4O11 are examined from 4.2 to 500 K. BaFe12O19 shows low dielectric constant and conductivity, while BaTi2Fe4O11 shows large dielectric constant and conductivity. On the other hand BaSn2Fe4O11 which has the same crystal structure as BaTi2Fe4O11 exhibits very low dielectric ...
K. Iwauchi, Y. Ikeda
openaire   +1 more source

New Mn-Substituted Hexagonal Ferrites

Journal of Applied Physics, 1965
Seven new hexagonal ferrite structures have been identified by single-crystal x-ray diffraction during a study of crystals from Mn-substituted Y phase syntheses. They fall in the M2Yn series and are comprised of a c-axis stacking of 2 five-anion-layer M blocks permuted with 9–13 six-anion-layer Y blocks.
J. A. Kohn, D. W. Eckart
openaire   +1 more source

Hexagonal Ferrite Fibres and Nanofibres

Solid State Phenomena, 2015
Hexagonal ferrites, or hexaferrites, are hugely important materials commercially and technologically, with common applications as permanent magnets, magnetic recording and data storage media, components in electrical devices operating at wireless frequencies, and as GHz electromagnetic wave absorbers for EMC, RAM and stealth technologies.
openaire   +2 more sources

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