Ruddlesden-Popper phase A2BO4 oxides: Recent studies on structure, electrical, dielectric, and optical properties

G Nirala, D Yadav, S Upadhyay - Journal of Advanced Ceramics, 2020 - Springer
In the last two decades, structure and properties of Ruddlesden–Popper phase (RP) A 2 BO
4 oxides with K 2 NiF 4 structure, have been widely investigated. But to the best of our …

Photocatalytic degradation of methyl orange on the novel hetero-system La2NiO4/ZnO under solar light

H Lahmar, M Benamira, S Douafer, L Messaadia… - Chemical Physics …, 2020 - Elsevier
Complete photocatalytic degradation of methyl orange (MO) was obtained in 60 min on the II-
type hetero-system La 2 NiO 4/ZnO, prepared by an impregnation method. The band gap of …

Structural, electrical and electrochemical properties of calcium-doped lanthanum nickelate

AА Kolchugin, EY Pikalova, NM Bogdanovich… - Solid State Ionics, 2016 - Elsevier
The present work focuses on the structural, thermo-mechanical and electrical properties of
La 2–x Ca x NiO 4+ δ with different calcium content (x= 0–0.4) and the electrochemical …

Elaboration and studies of physical and photo-electrochemical properties of La2NiO4 and its use with SnO2 in photo-evolution of hydrogen under visible light …

R Laouici, S Douafer, H Lahmar, G Rekhila, M Trari… - Optik, 2021 - Elsevier
La 2 NiO 4 elaborated by nitrate route gives a positive result when used as a catalyst for the
hydrogen photo-evolution. The prepared oxide crystallizes in the tetragonal K 2 NiF 4 …

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 …

Temperature dependent negative permittivity in solid solutions Sr2Mn1-xSnxO4 (x= 0, 0.3, 0.5)

G Nirala, D Yadav, T Katheriya, S Upadhyay - Journal of the European …, 2022 - Elsevier
A few compositions of the system Sr 2 Mn 1-x Sn x O 4 (x= 0.0, 0.3, 0.5) were synthesized in
the air by the solid-state ceramic route. A change in the sign (positive to negative) of the …

Suitability of Pr2–xCaxNiO4+ δ as cathode materials for electrochemical devices based on oxygen ion and proton conducting solid state electrolytes

E Pikalova, A Kolchugin, N Bogdanovich… - International Journal of …, 2020 - Elsevier
In order to develop economically competitive solid oxide fuel cell (SOFC) systems it is
necessary to design new functional materials with the purpose of enhancing their …

Effect of calcium and copper/iron co-do** on defect-induced properties of La2NiO4-based materials

AR Gilev, EA Kiselev, DM Zakharov… - Journal of Alloys and …, 2018 - Elsevier
Abstract The La 2-x Ca x Ni 1-y (Fe/Cu) y O 4+ δ solid solutions with х= 0.2, 0.4, 0.5 and y=
0, 0.1, 0.2, 0.3 were synthesized by decomposition of citrate–nitrate precursors. The single …

Voltammetry study of electrocatalytic activity of lanthanum nickel perovskite nanoclusters-based composite catalyst for effective oxidation of urea in alkaline medium

A Galal, NF Atta, MA Hefnawy - Synthetic Metals, 2020 - Elsevier
Effective electrooxidation of urea has been the focus of research and development for
energy and environmental applications. A modified glassy carbon (GC) electrode with two …

Structure, stability, and thermomechanical properties of Ca-substituted Pr2NiO4 + δ

EY Pikalova, DA Medvedev, AF Khasanov - Physics of the Solid State, 2017 - Springer
Ca-substituted layered nickelates with a general Pr 2–x Ca x NiO 4+ δ composition (x= 0–
0.7, Δ x= 0.1) were prepared in the present work and their structural and physic-chemical …