Bhagwan Toksha

• Doctor of Philosophy
• Professor (Assistant) at Maharashtra Institute of Technology, Aurangabad, India

This is the study of CoFe2O4 and CoAl0.2Fe1.8O4 ferrite nanoparticles synthesized by sol–gel method, and their structural and magnetic properties with aluminum doping are studied here. Metal nitrates of high purity were used as chelating and polymerization agents along with citric acid and ethylene glycol for the synthesis. The insertion of Al³⁺ io...

This review discusses the synthesis, characterization, catalytic applications, mechanisms, current advances, challenges, and environmental consequences of Graphene oxide-based ferrite nanocomposites. The synthesis described the strategies used to synthesize these nanocomposites. The structural characterization was discussed using XRD, FTIR, and Ram...

Palladium morphologies are prominently used in Hydrogen gas sensing applications owing to their unique characteristics and properties. In this review article, Palladium nanoparticles, thin films, and alloys were designated as the scope of Palladium morphologies. The aim of this review article is to explore Hydrogen sensing using Palladium, focusing...

This study delves into optimizing nanoparticle attributes to enhance the anti-wear performance of nano-lubricants, specifically exploring the influence of nanoparticle material hardness and concentration. Investigating the impact of contamination-induced abrasive wear in lubricants and the subsequent enhancement of anti-wear properties through nano...

Modern day agriculture warrants for the crops which are able to take the edge off climate change along with increased productivity. Scale up production, economic viability, mass-scale trials, and involved environmental concerns are the important dimensions in this regard. Imprudent use of conventional fertilizers is a major environmental concern fo...

The research in energy storage and conversion is playing a critical role in energy policy as the innovation and technological progress are essential for achieving the energy transition and climate neutrality goals. Hydrogen Fuel Cell technology is considered a strategic element in the pursuit of sustainable and clean energy solutions. This technolo...

This volume is a comprehensive guide to the industrial use of polymer composites. Edited contributions demonstrate the application of these materials for different industrial sectors. The book covers the benefits, future potential, and manufacturing techniques of different types of polymers. Contributors also address challenges in using nanopolymer...

This volume is a comprehensive guide to the industrial use of polymer composites. Edited contributions demonstrate the application of these materials for different industrial sectors. The book covers the benefits, future potential, and manufacturing techniques of different types of polymers. Contributors also address challenges in using nanopolymer...

Lubricating approaches involving nanoparticles have a significant role in reducing friction and wear. Reducing friction is crucial for preserving energy, minimizing emissions, and protecting the environment. The present experimental study investigates green nano-lubricants prepared by dispersing various concentrations of CaCO 3 nanoparticles in joj...

Hybrid advanced multifunctional materials based on layered double hydroxides (LDH) and intercalated guest biomolecule(s) are of high industrial and academic importance and have found promising applications in diverse fields such as biomedical, energy, environment, agriculture, etc. This report strategically develops a new innovative green sonochemi...

Plastics have been an indispensable material of choice in automobiles with wide range of applications such as interior, exterior, under the hood, and lighting/wiring applications. The prime motive of inclusion of these materials is increase in fuel efficiency and reduction in carbon footprint by replacing the energy intensive metallic counterparts....

Plastics around the globe have been a matter of grave concern due to the unavoidable habits of human mankind. Taking waste statistics in India for the year 2019–20 into account, the data of 60 major cities show that the generation of plastic waste stands tall at around 26,000 tonnes/day, of which only about 60 % is recycled. A majority of the non‐r...

Ferrite composition having general formula Ni1−xZnxFe2O4 with 0.7 as Ni0.7Zn0.3Fe2O4 was prepared by sol gel auto combustion method. The method used for synthesis involves use of nitrates of respective elements and by keeping metal nitrate to citrate ratio 1:1. The article is mainly focused on synthesis and structural properties were studied by mea...

The area of graphene-based polymer composites has seen numerous advancements with the isolation of a single layer of graphene from a stock of bulk graphite. It consists of superior mechanical, electrical, and thermal. Graphene when combined with polymers results in composites within nano regime with improved characteristics such as gas permeability...

Here we report the synthesis of 1D TiO2 sub 10 nm nanowires through one pot hydrothermal method in an alkaline NaOH medium at 95 °C for 36 h. Further, these TiO2 nanowires were embellished with silver (Ag) using polyvinylpyrrolidone (PVP) and ethylene glycol (EG) based solvothermal route at 160 °C for 4 h. With Ag decoration the photocatalytic acti...

The largest and oldest agricultural industry at present is facing multifold problems. There are expectations of the ever-increasing food and grains stipulate due to the rising universal populace and at the same time, resources are depleting. This triggered the omnipresent utilization of synthetic fertilizers increasing the cost involved in farming....

The homogeneous conglomerate of ferrite oxide samples with increasing concentration of Neodymium and Lanthanum in the steps 0.02 with the chemical formula Ni0.6Cu0.2Zn0.2Fe2-x(Nd0.5La0.5)xO4 (0 ≤ x ≤ 0.10) were achieved by novel citric acid-metal nitrate sol–gel auto-ignition method. The nano-regime crystallites products were achieved by using Ni,...

A systematic study is carried out as a specific case on analyzing the impact of ICT tool particularly MOODLE and its modules on students learning. Course named Manufacturing Processes offered in fourth semester of degree program in Mechanical Engineering is selected. A course offering is made through blended mode consisting conventional face to fac...

A series of CoAlxFe2-xO4 (0 ≤ x ≤ 1.0) was synthesized by sol-gel auto combustion method using nitrates of respective elements and by keeping 1:3 ratio of metal nitrate to citrate. The resultant powders were investigated by various techniques. Fourier transform infrared spectroscopy (FT-IR) is employed to determine the local symmetry in crystalline...

CoCrxFe2-xO4 (0 <= x <= 1.0) was synthesized by sol-gel auto combustion method using nitrates of respective elements and by keeping 1:3 ratio of metal nitrate to citrate. Representative sample was investigated by thermogravimeter/differential thermal analyzer (TG/DTA); then, all samples were annealed at 500 degrees C for 4 h. The broad peaks in the...

The effect of Ce4+ substitution in NiFe2O4, with a chemical formula Ni1-2xCexFe2O4 (0 <= x <= 0.25), ferrite prepared by a solid-state reaction is presented in this paper. Ce4+ ions enter the NiFe2O4 lattice by replacing Ni2+ and swell the lattice. This enlarges the lattice constant, which results in a moderate distortion of the lattice. The r.m.s....

A series of polycrystalline spinel ferrites with the composition NiInxFe2-xO4 (0≤x≤0.3) were prepared by the solid state reaction to study the effect of In3+ ions substitution on their dc electrical resistivity and dielectric properties. The dc resistivity has been investigated as a function of temperature and composition. The indium ion increases...

The effect of Ce4+ substitution in NiFe2O4, with the chemical formula Ni1-2xCexFe2O4 (0 <= x <= 0.25), is presented in this paper. The Ce4+ ion increases the DC resistivity of the NiFe2O4. The dielectric constant (epsilon') decreases with frequency as well as with composition. Infrared spectroscopy is employed to determine the local symmetry in cry...

The effect of oxidizing agents on the electrical properties of ferrite CoFe2O4, synthesized by a wet chemical method, was studied. The dielectric properties of ferrites in the presence and absence of oxidizing agents, namely H2O2 and KMnO4, were investigated. X-ray diffraction patterns were indexed by Rietveld refinement to evaluate unit cell dimen...

The ferrite samples of a chemical formula Ni0.5�xMnxZn0.5Fe2O4 (where x¼0.0, 0.1, 0.2, 0.3, 0.4, and 0.5) were synthesized by sol–gel auto-combustion method. The synthesized samples were annealed at 600 1C for 4 h. An analysis of X-ray diffraction patterns reveals the formation of single phase cubic spinel structure. The lattice parameter increases...

The structure and crystal phase of the nanocrystalline powders of Ni1–xCdxFe2O4 (0≤x≤0.5) mixed ferrite, synthesized by wet chemical co-precipitation method, were characterized by X-ray diffraction. Results showed that the lattice parameter increased with increasing Cd concentration. Microstructure was studied by scanning electron microscopy. TG/DT...

The electric properties of Ni1-xFe2O4 ferrites (with x=0.0-0.7, in steps of x=0.1) prepared by wet chemical co-precipitation method have been studied as a function of frequency, temperature and composition. The broad XRD peaks of green samples and TEM image confirm the nano-dimensional nature of the prepared samples. Dispersion in the dielectric co...

The soft spinel ferrite system having the general formula Co1-xZnxFe2O4 with x varying from 0.0 to 0.7 has been prepared by wet-chemical co-precipitation technique. The prepared samples were characterized by XRD technique. The analysis of XRD pattern revealed the formation of single-phase cubic spinel structure. The Bragg peaks in XRD pattern are b...

Structural and magnetic studies have been carried out on In3+ substituted NiFe2O4 having chemical formula NiFe2−xInxO4 (x = 0.0–0.30 in step of 0.05) prepared through solid-state reaction. The phase purity of the samples was investigated by X-ray diffraction technique. An analysis of X-ray diffraction patterns reveals the formation of single phase...

The magnetic and electrical properties of Cr ³⁺ substituted nickel ferrite synthesized by wet chemical route have been studied. Particle size measured from x-ray diffraction and from transmission electron microscopy images confirms the nanosize dimension of prepared particles. Magnetic parameters such as coercivity and saturation magneti...

Ultrafine crystals of chromium-substituted nickel ferrite were prepared by wet chemical co-precipitation method using sulphates of respective metal ions. Formation of these materials has been confirmed by X-ray powder diffraction method. The fine crystal nature of these materials is evidenced from scanning electron microscope (SEM). Cation distribu...

Ultrafine crystals of chromium-substituted nickel ferrite were prepared by wet chemical co-precipitation method using sulphates of respective metal ions. Formation of these materials has been confirmed by X-ray powder diffraction method. The fine crystal nature of these materials is evidenced from scanning electron microscope (SEM). Cation distribu...

The dielectric properties of Ni1-xZnxFe2O4 ferrites (with x=0.0 to 0.7, dx=0.1) prepared by wet chemical co-precipitation method have been studied as a function of frequency, temperature and composition. The broad XRD peaks of green samples and TEM images confirm the nano dimension of prepared samples. Dispersion in the dielectric constant with fre...

The dielectric properties of Ni1-xZnxFe2O4 ferrites (with x=0.0 to 0.7, dx=0.1) prepared by wet chemical co-precipitation method have been studied as a function of frequency, temperature and composition. The broad XRD peaks of green samples and TEM images confirm the nano dimension of prepared samples. Dispersion in the dielectric constant with fre...

Morphological and magnetic characteristics of cobalt ferrite nanoparticles synthesized by sol–gel auto combustion method using nitrates of respective metal ions have been studied. X-ray diffraction pattern was indexed by a Rietveld program to calculate accurate unit cell dimension. A Transmission Electron Microscope (TEM) confirmed the formation of...

Ferrites having general formula Ni1-xZnxFe 2O4 with x 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, and 0.7 were prepared by wet chemical co-precipitation method. The structural and magnetic properties were studied by means of X-ray diffraction, magnetization, and AC susceptibility measurements. The X-ray analysis confirmed the single-phase formation of the s...