Aluminum and chromium substituted Z-type hexaferrites for antenna and microwave absorber applications
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sol-Gel Science and Technology"
DOI: 10.1007/s10971-017-4532-7
Abstract: Nanoparticles of Z-type hexaferrites, $${\mathrm {Ba}}_3{\mathrm {Cu}}_2{\mathrm {Al}}_{x/2}{\mathrm {Cr}}_{x/2}{\mathrm {Fe}}_{24 - x}{\mathrm {O}}_{41}$$Ba3Cu2Alx∕2Crx∕2Fe24-xO41 (x = 0.0, 0.5, 1.0), have been prepared using sol–gel auto combustion method. The XRD patterns for these compositions show the formation of Z-type… read more here.
Keywords: aluminum chromium; type hexaferrites; substituted type; mathrm mathrm ... See more keywords
Structure, Magnetic Properties and Electromagnetic Response of Y-Type Hexaferrites and Hexaferrite-Based Composite Materials
Sign Up to like & getrecommendations! Published in 2019 at "Russian Physics Journal"
DOI: 10.1007/s11182-019-01750-8
Abstract: The paper presents a study of the phase composition, morphology, magnetic and electromagnetic properties both of Y-type hexaferrites Ba2Ni2–xCuxFe12O22 (x = 0.4, 1.0, 1.2) and composites produced therefrom. Hexaferrites are synthesized via standard ceramic method.… read more here.
Keywords: electromagnetic response; type hexaferrites; magnetic properties; structure magnetic ... See more keywords
Effect of Ca and La substitution on the structure and magnetic properties of M-type Sr-hexaferrites
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.08.306
Abstract: Abstract Ca- and La-substituted M-type Sr-hexaferrites with the formulae Sr1-xCaxFe12O19, SrFe12-xCaxO19, Sr1-xLaxFe12O19, and SrFe12-xLaxO19 (x = 0, 0.1, 0.2, 0.3, and 0.4) were prepared by conventional solid-state reaction routes. Based on the changes in the lattice parameter… read more here.
Keywords: sr1 xcaxfe12o19; substitution; type hexaferrites; structure ... See more keywords
Structural and magnetic properties of Gd–Zn substituted M-type Ba–Sr hexaferrites by sol-gel auto-combustion method
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.06.348
Abstract: Abstract This work is report on Gd–Zn substituted M-type Ba–Sr hexaferrites with Ba0.5Sr0.5-xGdxFe12.0-xZnxO19 (0.0 ≤ x ≤ 0.4) by sol-gel auto-combustion method. X-ray diffractometer (XRD), Fourier transformer infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), X-ray Photoelectron Spectroscopy (XPS) and… read more here.
Keywords: auto combustion; sol gel; substituted type; spectroscopy ... See more keywords
Influence of varying particle sizes on microwave absorbing properties of U-type hexaferrites and development of broadband microwave absorber
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DOI: 10.1063/9.0000056
Abstract: The present study investigates the influence of particle size variation on the microwave (MW) absorbing properties of (Ba0.7Bi0.3)4Co2Fe34.8Zn1.2O60 U-type hexaferrites. The hexaferrite powders of varying particle sizes were prepared through heating at a constant optimized… read more here.
Keywords: microwave absorbing; type hexaferrites; absorbing properties; varying particle ... See more keywords
Structural, morphological, dielectric and magnetic properties of Ba1−xCrxFe12O19 M type hexaferrites
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DOI: 10.1088/1402-4896/ac29da
Abstract: Chromium doped M-type hexaferrites having composition Ba1−xCrxFe12O19 at x = (0.0,0.1,0.2,0.3,0.4,0.5) were fabricated by sol-gel auto combustion technique. XRD technique was performed to confirm the phase formation. Morphology of the prepared samples was analyzed through… read more here.
Keywords: morphological dielectric; saturation magnetization; type hexaferrites; structural morphological ... See more keywords
Control of magnetoelectric coupling in the Co2Y -type hexaferrites
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DOI: 10.1103/physrevmaterials.5.034412
Abstract: We comprehensively investigated the magnetic, ferroelectric, and ME properties of ${\mathrm{Ba}}_{2\ensuremath{-}x}{\mathrm{Sr}}_{x}{\mathrm{Co}}_{2}{({\mathrm{Fe}}_{1\ensuremath{-}y}{\mathrm{Al}}_{y})}_{12}{\mathrm{O}}_{22}$ single crystals in broad doping ranges of Sr $(1.0\ensuremath{\le}x\ensuremath{\le}1.8)$ and Al $(0.00\ensuremath{\le}y\ensuremath{\le}0.08)$. Most of the investigated compounds exhibit an intriguing coexistence of two apparently… read more here.
Keywords: type hexaferrites; mathrm mathrm; ensuremath ensuremath; mathrm ... See more keywords