High-temperature magneto-structural coupling in the Sr (Fe1/2Nb1/2) O3 system

A Kumar, SD Kaushik, S Nair - Journal of Alloys and Compounds, 2025 - Elsevier
We report the high-temperature phase transitions in the technologically important lead (Pb-)
free B-site disordered Sr (Fe 1/2 Nb 1/2) O 3 (SFN) perovskite using dc magnetization and x …

The magnetic ground state of Ba (Fe1/2Sn1/2) O3-δ: A potential giant dielectric material for technological applications

A Kumar, G Sahu - Journal of Alloys and Compounds, 2023 - Elsevier
Abstract Ba (Fe 1/2 Sn 1/2) O 3-δ (BFSO) is a potential environmental friendly compound for
miniaturization of electronic devices as it exhibits giant dielectric constant at room …

Magnetic and dielectric properties of BaFe1/2Sn1/2O3-δ ceramics

EA Bikyashev, AV Popov, SP Kubrin, P Yanda… - Ceramics …, 2022 - Elsevier
Ceramic samples of barium ferrostannate BaFe 1/2 Sn 1/2 O 3-δ have been prepared by the
sol-gel and hydrothermal synthesis methods. To reduce the number of oxygen vacancies …

Evidence for cluster glass ground state in the potential giant dielectric constant material Ba (Fe1/2Sn1/2) O3-δ

A Kumar, G Sahu, S Nair - Journal of Alloys and Compounds, 2022 - Elsevier
We report the magnetic ground state of the technologically important giant dielectric constant
material Ba (Fe 1/2 Sn 1/2) O 3-δ (BFSO) using detailed dc and ac magnetization and …

Revised crystal structure and electronic properties of high dielectric Ba (Fe1/2Nb1/2) O3 ceramics

R Ray, AK Himanshu, GK Mandal, U Kumar… - Journal of Applied …, 2021 - pubs.aip.org
Ba (Fe 1/2 Nb 1/2) O 3 ceramics are considered to be promising for technological
applications owing to their high dielectric constant over a wide range of temperatures …

On the magnetic ground state of lead-free complex perovskite Sr (Fe1/2Nb1/2) O3

A Kumar, A Chaudhary, K Gautam, D Pandey - Journal of Alloys and …, 2021 - Elsevier
We present here the results of dc magnetization (M) measurements as a function of
temperature (T), field (H) and time (t) with different histories and ac susceptibility …

Freezing of short-range ordered antiferromagnetic clusters in the CrFeTiO system

A Kumar, SN Panja, L Keller, S Nair - arxiv preprint arxiv:2401.08029, 2024 - arxiv.org
We report on the CrFeTi $ _2 $ O $ _7 $(CFTO) system using a combination of x-ray
diffraction, dc magnetization, ac susceptibility, specific heat and neutron diffraction …

Comments on the erroneous diffraction structure analysis presented in the paper on BaFe0.5Nb0.5O3:Mg ceramics by R. Chakravarty et al., and published in J …

PE Tomaszewski - Journal of Materials Science: Materials in Electronics, 2024 - Springer
My comments concern the uncertainties in the crystallographic part of the commented paper.
The lattice parameters are incorrectly evaluated and the symmetry is not monoclinic …

[PDF][PDF] -review & editing. Aditya Chaudhary: Formal analysis, Validation. Kamini Gautam: Formal analysis, Validation, Writing-review & editing. Dhananjai Pandey …

A Kumar - academia.edu
We present here the results of dc magnetization (M) measurements as a function of
temperature (T), field (H) and time (t) with different histories and ac susceptibility …