Crystal-structure analysis, Raman spectroscopy, dielectric measurements, magnetic and optical properties of Cr3+–Ni2+-substituted Co2Y-type barium hexaferrites

J Mohammed, KM Batoo, G Mukhtar, JP Labis… - Materials Research …, 2022 - Elsevier
The Co 2 Y-type barium hexaferrite Ba 2− 2 x Cr x Ni x Co 2 Fe 12 O 22 (x= 0.0, 0.1, 0.15)
was synthesized using the sol–gel auto-combustion technique. The formation phase of the Y …

[HTML][HTML] Electromagnetic interference (EMI) shielding, microwave absorption, and optical sensing properties of BaM/CCTO composites in Ku-band

J Mohammed, TTT Carol, HY Hafeez, D Basandrai… - Results in Physics, 2019 - Elsevier
Sol-gel autocombustion technique was used to synthesized composites of barium
hexaferrites (BaM) and calcium copper titanate (CCTO) with chemical composition Ba 1− x …

X-band shielding of electromagnetic interference (EMI) by Co2Y barium hexaferrite, bismuth copper titanate (BCTO), and polyaniline (PANI) composite

TTT Carol, J Mohammed, D Basandrai… - Journal of Magnetism …, 2020 - Elsevier
Abstract Co 2 Y/BCTO/PANI composite was synthesized using mechanical blending method.
The XRD analysis shows that the composite exhibit pure phase of Co 2 Y barium hexaferrite …

Crystal structure refinement and the magnetic and electro-optical properties of Er3+–Mn2+-substituted Y-type barium hexaferrites

J Mohammed, KM Batoo, AS Abdulaziz, AS Safana… - Ceramics …, 2021 - Elsevier
Abstract The influence of Er 3+–Mn 2+ substitution on the properties of Y-type hexaferrites
(chemical composition: Ba 2–x Er x Zn 0.6 Co 0.6 Cu 0.8 Fe 12− y Mn y O 22 (x= 0.0, 0.3 …

Structural, dielectric, and magneto‐optical properties of Al‐Cr substituted M‐type barium hexaferrite

TT Carol Trudel, J Mohammed, HY Hafeez… - … status solidi (a), 2019 - Wiley Online Library
M‐type barium hexaferrite, BaFe12‐2xAlxCrxO19 (x= 0.0, 0.2, 0.4), is prepared using sol–
gel auto‐combustion method and calcined at 1000° C for 7 h. The effects of Al‐Cr …

Design of nano-sized Pr3+–Co2+-substituted M-type strontium hexaferrites for optical sensing and electromagnetic interference (EMI) shielding in Ku band

J Mohammed, TTC Trudel, HY Hafeez, D Basandrai… - Applied Physics A, 2019 - Springer
This research investigates the effect of Pr 3+–Co 2+ substitution on the structural, optical,
and electromagnetic interferrence (EMI) shielding properties of M-type strontium hexagonal …

Effect of heat-treatment on the magnetic and optical properties of Sr0. 7Al0. 3Fe11. 4Mn0. 6O19

J Mohammed, AB Suleiman, HY Hafeez… - Materials Research …, 2018 - iopscience.iop.org
Abstract Sr 0.7 Al 0.3 Fe 11.4 Mn 0.6 O 19 was synthesized by sol-gel technique and
sintered at varying temperatures 750 C, 850 C, 950 C and 1050 C for 5 h. We investigate the …

Tuning the dielectric and optical properties of PrCo–substituted calcium copper titanate for electronics applications

J Mohammed, HY Hafeez, BI Adamu, YS Wudil… - Journal of Physics and …, 2019 - Elsevier
Prsingle bondCo–substituted calcium copper titanate (CCTO) ceramic with chemical
composition Ca 1-x Pr x Cu 3-y Co y Ti 4 O 12 (x= 0.0, 0.1, 0.2, 0.3 and y= 0.0, 0.4, 0.5, 0.6) …

Effect of Cr–Bi substitution on the structural, optical, electrical and magnetic properties of strontium hexaferrites

J Mohammed, BH Bhat, S Mishra, SK Godara… - Physica B: Condensed …, 2019 - Elsevier
M-type hexagonal ferrite, SrFe 12-2x Cr x Bi x O 19 (x= 0.0–0.2) was prepared using sol-gel
auto combustion technique. X-ray diffraction (XRD), Fourier transform infra-red (FTIR) …

Structural, dielectric, and magneto-optical properties of Cu2+-Er3+ substituted nanocrystalline strontium hexaferrite

J Mohammed, HY Hafeez, CE Ndikilar… - Materials Research …, 2019 - iopscience.iop.org
Abstract Nanocrystalline Cu 2+-Er 3+ substituted M-type strontium hexaferrites with chemical
composition Sr 1− x Cu x Fe 12− y Er y O 19 (x= 0.0, 0.1, 0.2, and y= 0.0, 0.4, 0.5) was …