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Publikováno v:
Journal of Magnetism and Magnetic Materials. 321:734-737
High-frequency magnetic properties and attenuation characteristics for barium-ferrite/epoxy composites have been studied. The methods for increasing μ′ and μ″ and controlling fR, including ion substitution, doping of small amount of oxides, eff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7eda59604fdc720fc959da39538c9406
https://doi.org/10.1016/j.jmmm.2008.11.038
https://doi.org/10.1016/j.jmmm.2008.11.038
Publikováno v:
IEEE Transactions on Magnetics. 45:670-677
Doping of various oxides can greatly modify the high-frequency magnetic and dielectric properties and, therefore, significantly influence the impedance matching and bandwidth characteristics of BaCoZnFe16O27 ferrite/epoxy composites. The experiments
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1437c1c0cdd4f530b3f5b436b0574e10
https://doi.org/10.1109/tmag.2008.2007757
https://doi.org/10.1109/tmag.2008.2007757
Publikováno v:
IEEE Transactions on Magnetics. 44:3119-3122
Composites with regularly or randomly distributed CoFeNiSiB ferromagnetic microwires were fabricated and characterized. Permeability of such composites were investigated with impedance and coaxial line methods from 1 MHz to 10 GHz. High magnetic perm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45d19f99b1aebd451ff60c5e250932ff
https://doi.org/10.1109/tmag.2008.2001628
https://doi.org/10.1109/tmag.2008.2001628
Publikováno v:
IEEE Transactions on Magnetics. 44:2255-2261
We have measured the complex permeability and permittivity spectra of Co2Z/epoxy composites for different volume concentrations Vc varying from 0.2 to 0.6. The effects of Vc on matching and bandwidth properties have been studied. For Vc ges 0.5, ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d0e92046d80a28cddeed5ec576f3ca4
https://doi.org/10.1109/tmag.2008.2002301
https://doi.org/10.1109/tmag.2008.2002301
Publikováno v:
Journal of Alloys and Compounds. 459:567-575
This paper reports on the effects of Bi 2 O 3 and Co on the magnetic properties of Li 0.50 Fe 2.50 O 4 ceramics. The magnetic properties (static permeability) of the lithium ferrite ceramics with low concentration of Bi 2 O 3 (0.2% and 0.5%), as a fu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::037b68fab3c1bfcb56b1139825d32851
https://doi.org/10.1016/j.jallcom.2007.05.082
https://doi.org/10.1016/j.jallcom.2007.05.082
Publikováno v:
IEEE Transactions on Magnetics. 44:559-565
We have studied the effects of concentration of cobalt and sintering temperature on the complex relative permittivity and permeability of MgFe1.98O4 ferrite ceramics. All samples were doped with 3 wt% Bi2O3 to improve the sintering properties of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2563eeba0508aa4f9213b31de7a71215
https://doi.org/10.1109/tmag.2008.919381
https://doi.org/10.1109/tmag.2008.919381
Publikováno v:
Acta Materialia. 55:6561-6572
The effects of concentration of Bi2O3 and sintering temperature on DC resistivity, complex relative permittivity and permeability of MgFe1.98O4 ferrite ceramics were studied. The objective of the study was to develop magneto-dielectric materials, wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70cac314738142f79797b488293ef0f7
https://doi.org/10.1016/j.actamat.2007.08.011
https://doi.org/10.1016/j.actamat.2007.08.011
Publikováno v:
Journal of the American Ceramic Society. 90:3106-3112
The densification, grain growth, and microstructure development of Mg–Cu–Co ferrite ceramics (MgFe1.98O4, Mg1−xCuxFe1.98O4, with x=0.10–0.30 and Mg0.90−xCoxCu0.10Fe1.98O4, with x=0.05–0.20) were studied. The primary objective was to devel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2bf3adc7df8358a86ebe9d38e33f53e
https://doi.org/10.1111/j.1551-2916.2007.01869.x
https://doi.org/10.1111/j.1551-2916.2007.01869.x
Publikováno v:
Journal of the American Ceramic Society. 90:2104-2112
DC resistivity, dielectric, and magnetic properties of Mg-ferrite ceramics (Mg1−xCuxFe1.98O4, with x=0.10–0.30, and Mg0.90−xCoxCu0.10Fe1.98O4, with x=0.05–0.20) were investigated. A primary objective is to develop magneto-dielectric materials
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37379a91790df59cb4e51e6898b3dd2b
https://doi.org/10.1111/j.1551-2916.2007.01691.x
https://doi.org/10.1111/j.1551-2916.2007.01691.x