Tailoring high-temperature stability and electrical conductivity of high entropy lanthanum manganite for solid oxide fuel cell cathodes

Y Shi, N Ni, Q Ding, X Zhao - Journal of Materials Chemistry A, 2022 - pubs.rsc.org
High entropy perovskite oxides (HEPOs) have been proposed to serve as improved cathode
materials for solid oxide fuel cells (SOFCs); however, the larger compositional design space …

Consistency between theoretical conduction models and experimental conductivity measurements of strontium-doped lanthanum manganite

W Hizi, H Rahmouni, K Khirouni, E Dhahri - Journal of Alloys and …, 2023 - Elsevier
Abstract La 0.9 Sr 0.1 MnO 3 nanoparticles are elaborated using the citrate-gel route. The X-
ray patterns show that the prepared sample crystallizes in the rhombohedral symmetry …

Structural, electrical and dielectric properties of Bi-doped Pr0. 8-xBixSr0. 2MnO3 manganite oxides prepared by sol-gel process

ABJ Kharrat, S Moussa, N Moutiaa, K Khirouni… - Journal of Alloys and …, 2017 - Elsevier
The aim of this paper is to investigate the structural, electrical and dielectric properties of Pr
0.8-x Bi x Sr 0.2 MnO 3 (x= 0, 0.05 and 0.1) perovskite materials. Our samples were …

Impact of Sintering Temperature on the Electrical Properties of La0.9Sr0.1MnO3 Manganite

W Hizi, H Rahmouni, NE Gorji, A Guesmi… - Catalysts, 2022 - mdpi.com
La0. 9Sr0. 1MnO3 nanoparticles were prepared using the citrate–gel route and sintered at
different temperatures (TS= 600° C, 800° C, and 1000° C). The x-day diffraction patterns …

Nanosized La0. 4Gd0. 2Sr0. 4MnO3 manganites: From magnetic refrigeration to hyperthermia method

R Hamdi, D Ramotar, SS Hayek, A Samara… - Inorganic Chemistry …, 2023 - Elsevier
The structural, magnetic, and magnetocaloric characteristics of the nanosized La 0.4 Gd 0.2
Sr 0.4 MnO 3 manganites were discussed based on the influence of heating temperature …

Transport properties of La0.9Sr0.1MnO3 manganite

W Hizi, H Rahmouni, M Gassoumi, K Khirouni… - The European Physical …, 2020 - Springer
Impedance spectroscopy technique was used to characterize the electrical properties in a
wide range of frequency [40–10 5 Hz] and temperature [80–700 K]. As a result, AC …

Studies on conduction mechanism and dielectric properties of the nano-sized La0. 7Ca0. 3MnO3 (LCMO) grains in the paramagnetic state

B Panda, KL Routray, D Behera - Physica B: Condensed Matter, 2020 - Elsevier
Abstract The La 0.7 Ca 0.3 MnO 3 nanograins are synthesized by sol-gel method. The
phase crystalinity is confirmed by XRD profile analysis. TEM micrograph divulged polyhedral …

Nanoparticles size effect on transport properties of doped manganite elaborated by sol–gel route

W Hizi, H Rahmouni, K Khirouni, E Dhahri - Journal of Materials Science …, 2023 - Springer
In the present work, Sr-doped lanthanum manganite is successfully synthesized using sol–
gel route. Obtained compounds are annealed at 600 and 800° C in the aim to modify the …

Strontium-substituted La0.75Ba0.25−xSrxFeO3 (x = 0.05, 0.10 and 0.15) perovskite: dielectric and electrical studies

FB Abdallah, A Benali, S Azizi, M Triki, E Dhahri… - Journal of Materials …, 2019 - Springer
Abstract La 0.75 Ba 0.25− x Sr x FeO 3 perovskite compounds with different strontium
concentrations were synthesized via the sol–gel method. X-ray diffraction (XRD) data …

Effect of annealing temperature on structural, morphological and dielectric properties of La0.8Ba0.1Ce0.1FeO3 perovskite

EM Benali, A Benali, M Bejar, E Dhahri… - Journal of Materials …, 2020 - Springer
Abstract The La 0.8 Ba 0.1 Ce 0.1 FeO 3 compounds were prepared by the auto-combustion
route and annealed at two different temperatures to study their effect on the structural …