Magnetic field control of polarization/capacitance/voltage/resistance through lattice strain in BaTiO3-CoFe2O4 multiferroic nanocomposite

KC Verma, M Singh, RK Kotnala, N Goyal - Journal of Magnetism and …, 2019 - Elsevier
Magnetoelectric (ME) nanocomposites is a topic of intensive research due to their superficial
potential in spintronic applications. In the present work, the magnetic field controlled …

Sol-gel synthesis of nanoporous LaFeO3 powders for solar applications

W Azouzi, W Sigle, H Labrim, M Benaissa - Materials Science in …, 2019 - Elsevier
In the present study, we report on the synthesis of nano-porous perovskite-type lanthanum
iron oxide, LaFeO 3, using the ascorbic-acid assisted sol-gel method. The as-synthesized …

Strain induced disordered phonon modes in Cr doped PrFeO3

A Kumar, V Mishra, MK Warshi, A Sati… - Journal of Physics …, 2019 - iopscience.iop.org
Room temperature optical absorption spectroscopy (OAS) and Raman spectroscopy
measurements have been carried out in order to understand the effect of structural disorder …

Methodology to Probe Disorder Contribution in Raman Linewidth via Optical Absorption Spectroscopy in Orthoferrite EuFeO3

OV Rambadey, A Kumar, K Kumar… - The Journal of …, 2022 - ACS Publications
The individual impact of disorder on different phonon modes has been investigated for
orthoferrite EuFeO3 by perceiving a correlation between temperature-dependent Raman …

New route to estimate the Mott-Hubbard and charge transfer parameters: An optical and x-ray absorption studies

A Kumar, MK Warshi, A Sagdeo, M Gupta… - Solid State …, 2021 - Elsevier
X-ray absorption spectroscopy (XAS) and optical absorption spectroscopy (OAS)
measurements have been performed on polycrystalline samples of PrFeO 3+ δ sintered at …

The magneto-elastic and optical properties of multiferroic GaFeO3-δ

A Kumar, MK Warshi, M Gupta, PR Sagdeo - Journal of Magnetism and …, 2020 - Elsevier
Temperature-dependent Raman spectroscopy, X-ray absorption near-edge spectroscopy
(XANES), optical absorption spectroscopy (OAS) and ac-susceptibility measurements have …

Charge neutral crystal field transitions: a measure of electron–phonon interaction

A Kumar, A Sati, V Mishra, MK Warshi, R Kumar… - Journal of Physics and …, 2019 - Elsevier
We report a study on the charge neutral crystal field (d–d) transitions and their possible
correlation with coupling between continuum states above the optical band gap in pure and …

Possible evidence of delocalized excitons in Cr-doped PrFeO3: An experimental and theoretical realization

A Kumar, V Mishra, MK Warshi, A Sati, A Sagdeo… - Journal of Physics and …, 2019 - Elsevier
Here we introduce a way to understand the phenomena of localization/delocalization of
excitons experimentally as well as by first-principle study. Using in-situ temperature …

Structural, dielectric, and electrical transport properties of La2FeMnO6 double perovskite for multifunctional applications

BR Meena, M Alam, S Chatterjee, AK Ghosh - Ceramics International, 2024 - Elsevier
Abstract The polycrystalline La 2 FeMnO 6 has been prepared by the solid-state reaction
method. The Rietveld refinement of X-ray diffraction (XRD) data confirms a single-phase …

Effects of Ni do** at Co-site on dielectric, impedance spectroscopy and AC-conductivity in La2CoMnO6 double perovskites

S Das, RC Sahoo, S Mishra, D Bhattacharya, TK Nath - Applied Physics A, 2022 - Springer
Multifunctionalities of double perovskites depend strictly on the 3 d/4d/5d-transition metals
that can be purposefully tuned by do** effect at the transition metal-site. In the present …