Influence of transition metal doping (Fe, Co, Ni and Cr) on magnetic and magnetocaloric properties of Pr0. 7Ca0. 3MnO3 manganites

A Selmi, R M'nassri, W Cheikhrouhou-Koubaa… - Ceramics …, 2015 - Elsevier
We have studied the influence of the transition metal doping on magnetic and
magnetocaloric properties in a polycrystalline sample of Pr 0.7 Ca 0.3 MnO 3 prepared by …

Bi doping effect on the critical behavior and magnetocaloric effect of Pr0. 8− xBixSr0. 2 MnO3 (x= 0, 0.05 and 0.1)

ABJ Kharrat, EK Hlil, W Boujelben - Journal of Alloys and Compounds, 2018 - Elsevier
In this study, we report the effect of Bi doping on the critical behavior and the magnetocaloric
properties of Pr 0.8− x Bi x Sr 0.2 MnO 3 (x= 0, 0.05 and 0.1) structures prepared by sol-gel …

Nearly constant magnetic entropy change involving the enhancement of refrigerant capacity in (La0. 6Ba0. 2Sr0. 2MnO3) 1− x/(Co2O3) x composite

R M'nassri, NC Boudjada, A Cheikhrouhou - Ceramics International, 2016 - Elsevier
In this paper, we report the enhancement of the refrigerant capacity (RC) and the working
temperature span (δ TFWHM) in (La 0.6 Ba 0.2 Sr 0.2 MnO 3) 1− x/(Co 2 O 3) x composite …

Enhancement of the magnetocaloric properties of a composite based on Pr0. 5Sr0. 5MnO3 and Pr0. 4Gd0. 1Sr0. 5MnO3 compounds

ABJ Kharrat, W Boujelben - Journal of Alloys and Compounds, 2024 - Elsevier
In the present study, we investigate the magnetocaloric properties of Pr 0.5 Sr 0.5 MnO 3
and Pr 0.4 Gd 0.1 Sr 0.5 MnO 3 polycrystalline compounds, which were elaborated via the …

Role of lanthanum vacancy on the structural, magnetic and magnetocaloric properties in the lacunar perovskite manganites La 0.8− x□ x Na 0.2 MnO 3 (0≤ x≤ 0.15)

S Choura-Maatar, R M'nassri… - RSC …, 2017 - pubs.rsc.org
Lacunar La0. 8− x□ xNa0. 2MnO3 (0≤ x≤ 0.15) ceramics where□ is a lanthanum
deficiency were synthesized via a sol–gel method. Magnetic phase transitions and …

Field dependence of magnetocaloric properties of 20% Cr-doped Pr0.7Ca0.3MnO3 perovskite

R M'nassri, A Selmi, NC Boudjada… - Journal of Thermal …, 2017 - Springer
In this study, we have investigated the effect of 20% Cr doping at the Mn site on the magnetic
and magnetocaloric properties of Pr 0.7 Ca 0.3 MnO 3 polycrystalline manganites …

[HTML][HTML] Structural, magnetic, magnetocaloric and impedance spectroscopy analysis of Pr0. 8Sr0. 2MnO3 manganite prepared by modified solid-state route

ABJ Kharrat, K Khirouni, W Boujelben - Physics Letters A, 2018 - Elsevier
Abstract Orthorhombic Pr 0.8 Sr 0.2 MnO 3 sample is prepared by solid-state reaction
method and quenched in water. The occurrence of a second-order phase transition is …

Effect of chromium concentration on the structural, magnetic and electrical properties of praseodymium-calcium manganite

A Bettaibi, R M'nassri, A Selmi, H Rahmouni… - Journal of Alloys and …, 2015 - Elsevier
The influence of Cr doping on magnetic, magnetocaloric and electrical properties in a
polycrystalline sample of Pr 0.7 Ca 0.3 MnO 3 is investigated. Structural studies show that …

Effect of synthesis route on the structural, magnetic and magnetocaloric properties of La0. 78Dy0. 02Ca0. 2MnO3 manganite: a comparison between sol-gel, high …

K Riahi, I Messaoui, W Cheikhrouhou-Koubaa… - Journal of Alloys and …, 2016 - Elsevier
Abstract La 0.78 Dy 0.02 Ca 0.2 MnO 3 compound has been synthesized using different
methods: solid state reaction, sol-gel route and ball-milling process. The Rietveld refinement …

Enhancement of refrigeration capacity and table-like magnetocaloric effect in La0. 8Ca0. 2MnO3/La0. 8K0. 2MnO3 nanocrystalline composite

GF Wang, ZR Zhao, HL Li, XF Zhang - Ceramics International, 2015 - Elsevier
In this paper we report on the magnetocaloric effect and refrigeration capacity (RC) of La 0.8
Ca 0.2 MnO 3 (LCMO)/La 0.8 K 0.2 MnO 3 (LKMO) composite with a mass fraction of 1: 1. X …