A5073302795- Magnetic Properties and Synthesis of Ferrites
- Electromagnetic wave absorption materials
- Ferroelectric and Piezoelectric Materials
- Microwave Dielectric Ceramics Synthesis
- Multiferroics and related materials
- Advanced Antenna and Metasurface Technologies
- Advancements in Battery Materials
- Dielectric materials and actuators
- Radiation Shielding Materials Analysis
- Microwave Engineering and Waveguides
- High voltage insulation and dielectric phenomena
- Nuclear materials and radiation effects
- Advanced ceramic materials synthesis
- Dielectric properties of ceramics
- Metamaterials and Metasurfaces Applications
- Polymer Nanocomposite Synthesis and Irradiation
- Graphene and Nanomaterials Applications
- Aluminum Alloys Composites Properties
- Perovskite Materials and Applications
- Quantum Dots Synthesis And Properties
- Magneto-Optical Properties and Applications
- Luminescence Properties of Advanced Materials
- Conducting polymers and applications
- Acoustic Wave Resonator Technologies
- Iron oxide chemistry and applications
Tanta University
2015-2025
National University of Science and Technology
2018-2022
Swansea University
1981
A pure ferrite and epoxy samples as well the epoxy/ferrite composites with different 20 wt.%, 30 40 50 wt.% weight contents have been prepared by chemical co-precipitation method. AC-conductivity dielectric properties such constant loss of studied. The obtained results showed that had a semiconductor behavior. has calculated theoretically using several models. For composite sample contains ferrites, these models give satisfactory compliance, while for higher percentage nanofillers, more than...
Binary and ternary composites (CM) based on M-type hexaferrite (HF), polymer matrix (PVDF) carbon nanomaterials (quasi-one-dimensional nanotubes-CNT quasi-two-dimensional nanoflakes-CNF) were prepared investigated for establishing the impact of different nanosized magnetic electrodynamic properties. The ratio between HF PVDF in + composite was fixed (85 wt% 15 PVDF). concentration CNT CNF CM (5 from total weight). phase composition microstructural features using XRD SEM, respectively. It...
Samples of ferrite spinels doped with manganese cations were obtained via organic co-precipitation, and their structure, morphology magnetic properties studied.
Na 2 O–Bi O 3 –MoO ternary microwave dielectric ceramics with high-performance properties have good potential in the application of LTCC/ULTCC technology.
In this study, nanoparticles of Ba 1− x Sr TiO 3 (where = 0.0, 0.1, 0.2, 0.3, and 0.4) have been prepared using a chemical method.
This work examined the influence of zirconium concentration on barium titanate (BZT) BaZr x Ti 1− O 3 , with ( = 0, 0.15, 0.50, 0.75, and 1), produced by tartrate precursor technique.
Owing to their unique semi-hollow cavity structure, shell-like carbon superstructures hold excellent microwave absorption capability, in which the reflection loss can reach −49.14 dB and effective bandwidth 8.24 GHz.
As a contribution to the graphene-based nanoferrite composites, this article is intended present Mn, Co, and Co-Mn nanoferrites for preparation investigation of such samples. Nanoparticles Co ferrite, Mn ferrite were chemically synthesized by coprecipitation method. The composites ferrite/graphene made incorporating weight ratios 25% graphene 75% ferrite. Various structural characterizing investigations samples performed, including XRD, EDX, SEM, VSM hysteresis loops, AC conductivity,...
Using the auto combustion flash method, Ni1-x+2Mgx+2Fe2+3O4 (x = 0, 0.2, 0.6, 0.8 and 1) nano-ferrites were synthesized. All samples thermally treated at 973 K for 3 h. The structural analysis synthesized was performed using XRD, high-resolution transmission electron microscopy (HRTEM), FTIR. Scanning (SEM) undertaken to explore surface morphology of all samples. thermal stability these investigated thermogravimetric (TGA). XRD data show presence a single spinel phase prepared intensity...
In this study, SrFe12-xNdxO19, where x = 0, 0.1, 0.2, 0.3, 0.4, and 0.5, was prepared using high-energy ball milling. The samples were characterized by X-ray diffraction (XRD). Using the XRD results, a comparative analysis of crystallite sizes powders carried out different methods (models) such as Scherrer, Williamson-Hall (W-H), Halder-Wagner (H-W), size-strain plot (SSP) method. All studied prove that average nanocrystallite size increases increasing Nd concentration. H-W SSP are more...
Phase transition–structure–dielectric properties in microwave band correlations were determined for the (Sm1–xCax) (Nb1–xMox)O4 (SNCMo@x) system. X-ray and Raman analyses along with selected-area electron diffraction indicated that SNCMo@x (0.15 ≤ x < 0.375) ceramics crystallize I2/a space group (monoclinic fergusonite), whereas I41/a (tetragonal scheelite) best describes (0.375 0.7), suggesting increased ionic radius of A-site effectively contributed to ferroelastic phase transition ensures...
Nanocomposite films based on spinel ferrite (Mg0.8Zn0.2Fe1.5Al0.5O4) in a PVA matrix were obtained. An increase the concentration to 10 wt.% caused an avalanche-like rise roughness due formation of nanoparticle agglomerates. The lateral mode atomic force microscopy (AFM) allowed us trace agglomeration dynamics. unexpected result was that composite with 6 filler had low friction coefficient comparison similar composites successfully combined effects and surface energy. decreased 0.07 when...