- Magnetic Properties and Synthesis of Ferrites
- ZnO doping and properties
- Iron oxide chemistry and applications
- Electronic and Structural Properties of Oxides
- Magnetic properties of thin films
- Ion-surface interactions and analysis
- Copper-based nanomaterials and applications
- Multiferroics and related materials
- X-ray Spectroscopy and Fluorescence Analysis
- Advancements in Battery Materials
- Electrocatalysts for Energy Conversion
- Gas Sensing Nanomaterials and Sensors
- Magneto-Optical Properties and Applications
- Magnesium Oxide Properties and Applications
- Transition Metal Oxide Nanomaterials
- Semiconductor materials and devices
- Magnetic and transport properties of perovskites and related materials
- Electron and X-Ray Spectroscopy Techniques
- Calcium Carbonate Crystallization and Inhibition
- Catalytic Processes in Materials Science
- X-ray Diffraction in Crystallography
- Quantum Dots Synthesis And Properties
- Ga2O3 and related materials
- Electrochemical Analysis and Applications
- Advanced Condensed Matter Physics
Manav Rachna International Institute of Research and Studies
2022-2024
Pondicherry University
2024
Govind Ballabh Pant University of Agriculture and Technology
2008-2023
Pohang University of Science and Technology
2019-2022
Pohang Accelerator Laboratory
2019-2022
Korea Institute of Science and Technology
2014-2021
Korea Advanced Institute of Science and Technology
2015-2021
Government of the Republic of Korea
2017-2020
Seoul Institute
2017-2020
Inter-University Accelerator Centre
2011-2020
Magnetic skyrmions are topological spin-textures having immense potential for energy efficient spintronic devices. Here, we report the observation of stable in unpatterned Ta/Co2FeAl(CFA)/MgO thin film heterostructures at room temperature remnant state employing magnetic force microscopy. It is shown that these consisting ultrathin ferromagnetic CFA Heusler alloy result from strong interfacial Dzyaloshinskii-Moriya interaction (i-DMI) as evidenced by Brillouin light scattering measurements,...
In the present work, structural, morphological, magnetic and optical properties of nickel ferrite thin films having different thickness are reported. All were deposited on Si (100) substrate by pulsed laser deposition technique. Thicknesses determined x-ray reflectivity vary from 62 to 176nm as time varies 16 min 40 min. The characterised diffractogram, Fourier transform infrared (FTIR) Raman spectroscopy for structural phase confirmation. FTIR spectra confirm mixed spinel nature ferrite....
We have studied the role of Dy 3+ doping on XRD, TEM, FTIR, and dielectric electrical properties CoFe 2 O 4 at room temperature. Cubic spinel phase 2− x (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mi>x</mml:mi></mml:mrow></mml:math> = 0.00, 0.05, 0.10, 0.15) was synthesized by using different sintering temperatures (300, 500, 700, 900°C). The two absorption bands ν 1 are observed in Fourier transform infrared spectroscopy (FTIR) spectra corresponding to...
An explicit study of comparison on the basis structure and electronic properties ZnO nanostructures was discussed. synthesized by sol-gel hydrothermal method without using any surfactant leads to formation two different morphologies. Rietveld crystal refinement X-ray diffraction patterns confirmed wurtzite both samples. Raman spectra also phase improved crystallinity in sample route that are concurrent with results obtained from diffraction. Field-emission scanning electron microscopy...
In this paper, we report the existence of defect induced intrinsic room-temperature ferromagnetism (RTFM) in Cu doped ZnO synthesized
Oxygen-based electrocatalysis is an integral aspect of a clean and sustainable energy conversion/storage system. The development economic bifunctional electrocatalysts with high activity durability during reversible reactions remains great challenge. tailored porous structure separately presented active sites for oxygen reduction evolution (ORR OER) without mutual interference are most crucial achieving desired catalysts. Here, we report hybrid composed sheath–core cobalt oxynitride...
Abstract Zinc ferrite nanoparticles of different sizes ranging from 12 to 62 nm were synthesized by using the nitrate route. These irradiated a 100 MeV oxygen beam at two fluences: 1 × 10 13 and 5 ions/cm 2 . It was observed that modes corresponding cubic spinel phase retained after irradiation in all systems. The variation parameters various follows phonon confinement, while this effect seems violate specimen. found irradiation‐induced changes F 2g (2) (3) depend on whether crystallite size...
Magnetism without d-orbital electrons seems to be unrealistic; however, recent observations of magnetism in non-magnetic oxides, such as ZnO, HfO2, and MgO, have opened new avenues the field magnetism. exhibited by these oxides is known d° ferromagnetism, either completely filled or unfilled d-/f-orbitals. This believed occur due polarization induced p-orbitals. Magnetic arises vacancies, excitation trapped spin triplet state. The presence vacancies at surface subsurface also affects...
Cellulose nanofiber (CNF) is one of the emerging green candidates for various domains due to its sustainability, abundance availability, and high surface area. However, effectiveness in environmental aspect toxic heavy metal removal required improvement by tuning interface between CNF metals, understanding mechanisms. Herein, we synthesized four types surface-functionalized from waste coffee-filters enhanced uptake AsV CrVI different water matrices. Among them, Fe3+-cross-linked CNF-Fe2O3...
Single-atom Pt/ceria catalysts are extremely active and thermally stable at over 700 °C in high-temperature solid oxide cell electrodes.
Here, we investigated the fate of nanoscale zerovalent iron (nZVI) on Cucumis sativus under both hydroponic and soil conditions. Seedlings were exposed to 0, 250, 1000 mg/L (or mg/kg soil) nZVI during 6–9 weeks a growth period. Ionic controls prepared using Fe-EDTA. None treatments affected plant biomass. On basis total contents superparamagnetic property nZVI-exposed roots, there was no evidence pristine translocation from roots shoots. Electron microscopy revealed that transformed...
Abstract The formation of a nanostructure is popular strategy for catalyst applications because it can generate new surfaces that significantly improve the catalytic activity and durability catalysts. However, increase in surface area resulting from nanostructuring does not fully explain substantial improvement properties CO 2 electroreduction reaction, underlying mechanisms have yet been understood. Here, based on combination extended X‐ray absorption fine structure analysis, photoelectron...