Spectroscopic studies, molecular structure optimization and investigation of structural and electrical properties of novel and biodegradable Chitosan-GO polymer …

V Dhayal, SZ Hashmi, U Kumar, BL Choudhary… - Journal of Materials …, 2020 - Springer
This article covers the molecular structure optimization and spectroscopic studies, such as
Raman, UV–Vis absorption and FTIR, carried out for novel, biodegradable and …

Progress on X-ray absorption spectroscopy for the characterization of perovskite-type oxide electrocatalysts

H Sun, W Zhou - Energy & fuels, 2021 - ACS Publications
The phases and electronic structures of perovskite oxides can be rationally designed to
meet the requirements of different electrochemical reactions. Therefore, perovskite-type …

Study of reaction mechanism, structural, optical and oxygen vacancy-controlled luminescence properties of Eu-modified Sr2SnO4 Ruddlesden popper oxide

U Kumar, S Upadhyay, PA Alvi - Physica B: Condensed Matter, 2021 - Elsevier
Abstract Eu-doped Sr 2 SnO 4 samples were synthesized using conventional ceramic route,
followed by calcination at 1000° C. Rietveld refinement analysis of XRD data indicates that …

Scaling studies of temperature dependence of electric conductivity and electric modulus spectra of solid solution Sr2-xLaxSnO4 (x≤ 0.10) Ruddlesden Popper Oxide

U Kumar, M Jatiya, MF Carrasco - Materials Research Bulletin, 2023 - Elsevier
The mixed ionic and electronic conductor oxide with formula Sr 2-x La x SnO 4 (S2LS) within
x≤ 0.10 were synthesized via the conventional ceramic route and investigated. The …

SrO-layer insertion in Ruddlesden–Popper Sn-based perovskite enables efficient CO 2 electroreduction towards formate

J Zhao, P Zhang, L Li, T Yuan, H Gao, G Zhang… - Chemical …, 2022 - pubs.rsc.org
Tin (Sn)-based oxides have been proved to be promising catalysts for the electrochemical
CO2 reduction reaction (CO2RR) to formate (HCOO−). However, their performance is limited …

Synthesis and physical properties of nanopowder and electrical properties of bulk samples of ZnFe2-xNixO4 (x: 0, 0.05, 0.10)

H Cheema, S Kumar, PA Alvi, BL Choudhary… - Advanced Powder …, 2020 - Elsevier
Abstract The Ni modified samples ZnFe 2-x Ni x O 4 with x= 0, 0.05, and 0.10 were
synthesized using the sol-gel combustion method at 60° C. The phase of obtained samples …

Study of structural, optical, dielectric, and electric properties of homovalently substituted Ce in SrTiO3 perovskite oxide

V Yadav, H Cheema, RS Maurya, S Kumar, PA Alvi… - Ionics, 2022 - Springer
The samples SrTi1-xCexO3 with x as 0.0. 02 and 0.04 were prepared via a conventional
ceramic route. The XRD analysis showed that the pure and doped samples crystallized into …

Influence of La doping on structure, AC conductivity and impedance spectroscopy of Ba2SnO4 Ruddlesden Popper oxide

U Kumar, H Cheema, V Yadav, RS Maurya… - Materials Chemistry and …, 2021 - Elsevier
A few compositions of (Ba 1-x La x) 2 SnO 4 with 0≤ x≤ 0.10 have prepared via solid-state
ceramic route followed by calcination at 1000° C for 8 h. The preliminary phase of samples …

[HTML][HTML] Unveiling the characteristics of MgAl0. 5Fe1. 5O4 spinel ferrite: A study of structural, optical, and dielectric properties

S Verma, A Maurya, H Verma, R Singh, B Bhoi - Chemical Physics Impact, 2024 - Elsevier
Aluminium-doped magnesium ferrite (MAFO) has garnered significant interest due to its
recently observed low microwave loss properties, making it invaluable for applications at …

Structural phase transformation and the light-switching photochromism-related emission modulation in Eu3+-doped strontium stannates

DJ Lee, SW Wi, YS Lee - Journal of Luminescence, 2022 - Elsevier
We investigated the photochromic and related photoluminescence modulation behaviors in
Eu 3+-doped strontium stannate compounds over a wide doping range. The Sr 2 SnO 4 (n …