Figure 1 shows the room temperature x-ray diffraction patterns for the cobalt ferrite and barium titanate starting phase, as well as for the composites with 20 and 40 wt.% of nickel ferrite. Barium titanate has narrow diffraction peaks corresponding its 2 µm average size, while cobalt ferrite synthesized by chemical coprecipitation has wide ...
اقرأ المزيد
Poonam Pahuja, R. P. Tandon; Microstructural, dielectric and magnetic properties of multiferroic composite system barium strontium titanate – nickel cobalt ferrite. AIP Conference Proceedings 15 May 2015; 1661 (1): 060004.
اقرأ المزيد
H. Wende. Cobalt ferrite/barium titanate nanoparticles with a core/shell structure were synthesized by combining co-precipitation and organosol methods. The average particle size was about 110 nm with an average shell thickness of about 40 nm. Dielectric and magnetic properties of the particles were studied using impedance and …
اقرأ المزيد
Nanoparticle and bulk samples of Barium Titanate BaTiO3 (BTO) and Cobalt Ferrite CoFe2O4 (CFO) were synthesized by co-precipitation and conventional solid state route respectively. Nano …
اقرأ المزيد
Fig. 1 a depicts XRD plot of the synthesized CoFe 2 O 4 nanoparticles (as-prepared or annealed at 300 °C) with Fd 3 ¯ m space group [18].The peaks correspond to those of cobalt ferrite presented in Ref. [19].The planes (2 2 0), (3 1 1), (4 0 0), (5 1 1), and (4 4 0) reveal a spinel cubic structure with no impurities after annealing (thus, the peak …
اقرأ المزيد
This study reports the structural modifications in undoped multiferroic BiFeO3 (bismuth ferrite or BFO) nanoparticles caused by doping at both the A-site (by 5% Gd) and B-site (by 2-8% Cr) and the ...
اقرأ المزيد
For the composite powders both barium titanate and. Figure 2. X-ray diffraction pattern for: (a) pure cobalt ferrite nanoparticles prepared by co-precipitation method and calcined at 750 C for 15 ...
اقرأ المزيد
The particulate composite materials of ferrite-ferroelectric ceramics viz. nickel-cobalt-copper ferrite (i.e., Ni0.94Co0.01Cu0.05Fe2O4) and barium titanate were synthesized by the double sintering ...
اقرأ المزيد
Magneto-dielectric effects in self-assembled core-shell nanoparticles of nickel ferrite (NFO) and barium titanate (BTO) have been investigated in the millimeter …
اقرأ المزيد
This investigation provides a comprehensive study on effect of substitution of Dy 3+, Gd 3+, Sm 3+ ions on various properties of barium strontium titanate (Ba 0.95 Sr 0.05 TiO 3) as well as that of its multiferroic composite …
اقرأ المزيد
Request PDF | Yttrium Iron Garnet/Barium Titanate Multiferroic Composites | Dense multiferroic 0-3 type composites encompassing BaTiO3 and Y3Fe5O12 were fabricated by the solid-state reaction method.
اقرأ المزيد
Request PDF | On Dec 1, 2023, V.S. Sharon and others published Multiferroic and magnetic characterization of nickel ferrite- barium titanate nanocomposites | Find, read and cite all the research ...
اقرأ المزيد
Strontium titanate–nickel ferrite (SrTiO 3 –NiFe 2 O 4) composite and core–shell particles have been prepared by the combination of sol–gel and co-precipitation route.Modifications of the synthesis procedure (pH value, functionalization of core and shell particles) have been carried out in order to maximize the electrostatic forces between the …
اقرأ المزيد
Fig. 1 shows the XRD patterns of the composites (1−x)BaTiO 3 –xCoFe 2 O 4.The characteristic peaks of cobalt ferrite (CFO-ICSD # 98553, Fd-3m) and barium titanate (BTO-ICSD # 29147, P4mm) are observed, which is evidence of the successful synthesis of the composites.However, for the x = 0.1–0.5 concentrations, there are trace …
اقرأ المزيد
Section snippets Material and methods. Multiferroic composites were prepared using a mixture of mechanochemically synthesized cobalt ferrite and commercial barium titanate powder (BaTiO 3, Sigma-Aldrich, > 99.9% purity).The raw materials used for the cobalt ferrite synthesis were reagent-grade: hematite (Fe 2 O 3, Sigma-Aldrich, > …
اقرأ المزيد
Magneto-dielectric effect as high as 28% with an H-induced change in permittivity was measured under dielectric resonance in the self-assembled core - shell …
اقرأ المزيد
The structure and dielectric properties of barium titanate ceramics samples sintered at 1100, 1150, 1200, 1250 and 1350 °C have been compared with the dielectric properties of 80 vol.% barium ...
اقرأ المزيد
Nickel ferrite (NiFe 2 O 4) samples were prepared by the modified sol–gel technique which is an effective, simple, and rapid synthesis method.Multiferroic …
اقرأ المزيد
The analysis of different composites (i.e., x = 2%, 5%, 10%, and 20%) showed that the perovskite and ferrite are distinctly existing in the composites. It approved that the BaTiO 3 phase formed a perovskite structure (space group, P4mm), while the CoNb 0.02 Fe 1.98 O 4 ferrite phase formed a spinel structure (space group, Fd 3 ¯ m).The splitting (0 …
اقرأ المزيد
tric characterization of cobalt ferrite-barium titanate com- posites using a new pulsed magnetic field method", Integr . Ferr oelectr., 83 ( 2006) 33–40.
اقرأ المزيد
Multiferroic composites with ferromagnetic and ferroelectric properties can be used in nanobiomedicine and multifunctional drug load owing to their strong magnetoelectric performance at room temperature. In this study, cobalt ferrite (CFO) and barium titanate (BTO) nanocomposites are synthesized by chemical co-precipitation …
اقرأ المزيد
In recent years, the attention of particular researchers has been attracted by lead-free multiferroic compositions, both single-phase (for example, bismuth ferrite and solid solutions based on it and related systems, [9,10,11,12]) and heterogeneous [13,14,15,16] (particularly, ME composites based on barium-calcium titanate-zirconate …
اقرأ المزيد
Multiferroic ceramics mixtures were synthesized by co-precipitation method and derive the nanophase nickel ferrite and barium titanate and investigated with various studies. The FTIR spectra of NiFe 2 O 4 and BaTiO 3 samples the peak at 594 cm −1 indicates the intrinsic stretching vibrations of the tetrahedral (Ti–O) band.
اقرأ المزيد
also seems expedient to dope ferrite with small additions of copper oxide, which reduces the sintering temperature and improves the MS characteristics of nickel …
اقرأ المزيد
Request PDF | Influence of ferrite phase on electrical properties of the barium zirconium titanate based multiferroic composites | Multiferroic composites with general formula Ba(Ti0.95Zr0.05)O3 ...
اقرأ المزيد
barium titanate, which increase from 39 % to 0.68 bismuth ferrite-0.22 barium titanate at 61% to 0.70 bismuth ferrite - 0.30 barium titanate. However, an analysis of electric properties is ...
اقرأ المزيد
Multiferroic composite materials based on antimony doped barium titanate/nickel ferrite were prepared by a mixing route. In order to obtain fine grained microstructure composite materials, pure ...
اقرأ المزيد
@article{osti_22391699, title = {Microstructural, dielectric and magnetic properties of multiferroic composite system barium strontium titanate – nickel cobalt ferrite}, author = {Pahuja, Poonam and Tandon, R. P., E-mail: ram-tandon@hotmail}, abstractNote = {Multiferroic composites (1-x) Ba{sub 0.95}Sr{sub 0.05}TiO{sub 3} + (x) …
اقرأ المزيد
SYNTHESIS AND CHARACTERIZATION OF MULTIFERROIC Effect of Ferroelectricity on Solar Light Driven. This is to certify that the thesis entitled "SYNTHESIS AND CHARACTERIZATION OF MULTIFERROIC COMPOSITE Barium Titanate Nickel Ferrite BY SOLID STATE ROUTE" is submitted by Mr ALOK PATEL in partial fulfillments for the …
اقرأ المزيد
DOI: 10.1016/j.matpr.2023.12.018 Corpus ID: 266220010; Multiferroic and magnetic characterization of nickel ferrite- barium titanate nanocomposites …
اقرأ المزيد