Articles with "substituted type" as a keyword



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Investigation of Electrical and Magnetic Properties of La3+ Substituted M-Type Ba–Ni Nano-Ferrites

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Published in 2019 at "Journal of Superconductivity and Novel Magnetism"

DOI: 10.1007/s10948-019-5115-3

Abstract: In this paper, La3+ substituted M-type Ba–Ni hexaferrite nanoparticles having composition Ba0.8Ni0.2Fe12-xLaxO19 (x = 0, 0.2, 0.4, 0.6, and 0.8) were prepared by co-precipitation route. The phase of the grown NPs was confirmed using X-ray diffraction analysis… read more here.

Keywords: substituted type; spectroscopy; nano ferrites; investigation electrical ... See more keywords
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Aluminum and chromium substituted Z-type hexaferrites for antenna and microwave absorber applications

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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
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Structural and magnetic properties of Gd–Zn substituted M-type Ba–Sr hexaferrites by sol-gel auto-combustion method

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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
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Investigation of structural, magnetic and dielectric properties of gallium substituted Z-type Sr3Co2-Ga Fe24O41 hexaferrites for microwave absorbers

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2019.153470

Abstract: Abstract Gallium substituted Z-type hexagonal ferrites with chemical composition Sr3Co2-xGaxFe24O41 (x = 0.0,0.4, 0.8, 1.2, 1.6, and 2.0) were successfully synthesised in air at 1200 °C for 5 h using the sol-gel auto-combustion technique, in order to investigate the… read more here.

Keywords: structural magnetic; dielectric; gallium substituted; gallium ... See more keywords
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Dicyanovinyl-substituted D-A type dithienylethenes: Synthesis, photochromism and colorimetric sensing for cyanide anion

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Published in 2019 at "Optical Materials"

DOI: 10.1016/j.optmat.2019.109235

Abstract: Abstract A series of novel dithienylethene-based colorimetric sensors 1a-1d with a typical donor-acceptor structure have been successfully developed, which exhibited solvent-dependent photochromic properties in solution, as well as high selectivity and sensitivity for the naked-eye… read more here.

Keywords: colorimetric sensing; substituted type; type dithienylethenes; cyanide anion ... See more keywords
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Ga-, Y-, and Sc-substituted M-type ferrites for self-biasing circulators in LTCC microwave modules

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Published in 2020 at "AIP Advances"

DOI: 10.1063/1.5130419

Abstract: The partial substitution of Fe3+ by diamagnetic Me3+ in BaMexFe12-xO19 with Me = Ga and Y (0 ≤ x ≤ 2) was studied. Samples were synthesized by the mixed-oxide route and their properties were compared… read more here.

Keywords: biasing circulators; ferrites self; circulators ltcc; substituted type ... See more keywords