Search Results - "Khlifi, M"
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Conduction mechanisms study in CaCu2.8Ni0.2Ti4O12 ceramics sintered at different temperatures
Published in Journal of alloys and compounds (05-07-2020)“…CaCu2.8Ni0.2Ti4O12 ceramics were prepared via the solid-state reaction. The pellets were sintering at 950 °C, 1000 °C, 1050 °C and 1100 °C for 24h. The X-ray…”
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Magnetic, magnetocaloric, magnetotransport and magnetoresistance properties of calcium deficient manganites La0.8Ca0.2−x□xMnO3 post-annealed at 800°C
Published in Journal of alloys and compounds (01-02-2014)“…[Display omitted] •Structural transition from orthorhombic to rhombohedral structure in La0.8Ca0.2−x□xMnO3 compounds.•Enhancement of TC for the rhombohedral…”
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Enhancement of magnetocaloric effect by Nickel substitution in La0.67Ca0.33Mn0.98Ni0.02O3 manganite oxide
Published in Journal of magnetism and magnetic materials (01-12-2019)“…•La0.67Ca0.33Mn0.98Ni0.02O3 sample was prepared by sol-gel method.•La0.67Ca0.33Mn0.98Ni0.02O3 crystallizes in a rhombohedral R3-c structure.•The samples…”
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Microstructural, structural and dielectric analysis of Ni-doped CaCu3Ti4O12 ceramic with low dielectric loss
Published in Journal of materials science. Materials in electronics (01-08-2019)“…CaCu 2.8 Ni 0.2 Ti 4 O 12 ceramics were elaborated using the solid-state reaction technic. The pellets were annealed at 1000 °C for 24 h. The X-ray diffraction…”
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Modeling of magnetic and magnetocaloric properties by the molecular mean field theory in La0.8Ca0.2MnO3 oxides with first and second magnetic phase transition
Published in Journal of magnetism and magnetic materials (15-06-2019)“…•La0.8Ca0.2MnO3 compounds show a magnetic transition from ferromagnetic to paramagnetic state.•Magnetic order phase transition are confirmed using the…”
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Structural, magnetic and magnetocaloric properties of the lanthanum deficient in La0.8Ca0.2―x□xMnO3 (x = 0―0.20) manganites oxides
Published in Journal of alloys and compounds (07-07-2011)Get full text
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Influence of Sr substitution on structural, magnetic and magnetocaloric properties in La0.67Ca0.33−xSrxMn0.98Ni0.02O3 manganites
Published in Journal of materials science. Materials in electronics (01-09-2020)“…A systematic investigation of the effect of Strontium (Sr) doping on the structure, magnetic behavior, and magnetocaloric properties of the manganite…”
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Effect of calcium deficiency on the critical behavior near the paramagnetic to ferromagnetic phase transition temperature in La0.8Ca0.2MnO3 oxides
Published in Journal of magnetism and magnetic materials (01-07-2012)“…The critical behavior associated with the magnetic phase transition has been investigated by magnetization isotherms in La0.8Ca0.2MnO3 and La0.8Ca0.1□0.1MnO3…”
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Room temperature magnetocaloric effect and critical behavior in La0.67Ca0.23Sr0.1Mn0.98Ni0.02O3 oxide
Published in Journal of materials science. Materials in electronics (01-07-2019)“…The structural, magnetic and magnetocaloric properties of La 0.67 Ca 0.23 Sr 0.1 Mn 0.98 Ni 0.02 O 3 nano-crystalline manganite are investigated…”
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Phenomenological modeling of magnetic and magnetocaloric properties in rare earth doped La0.8Ca0.2MnO3
Published in Phase transitions (03-04-2019)“…La 0.8 Ca 0.2 MnO 3 manganese oxides have been prepared by the conventional solid-state reaction. The samples crystallize in the orthorhombic structure with…”
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Magnetohydrodynamic effects on finite and infinite slider bearings
Published in MATEC Web of Conferences (2019)“…This paper presents a numerical investigation of lubricating slider bearings with conducting couple stress fluids using externally applied magnetics fields…”
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Journal Article Conference Proceeding -
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Structural, magnetic and electrical properties of self-doped La0.8Na0.2−x□xMnO3 manganites
Published in Physica. B, Condensed matter (15-09-2014)“…Polycrystalline compounds La0.8Na0.2−x□xMnO3 were prepared by the solid-state reaction with 0.00≤x≤0.15. Structural, magnetic and electrical measurements were…”
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Large magnetocaloric effect in lanthanum-deficiency manganites La0.8−x□xCa0.2MnO3 (0.00≤x≤0.20) with a first-order magnetic phase transition
Published in Journal of magnetism and magnetic materials (01-09-2014)“…Lanthanum-deficiency effect on the magnetic and magnetocaloric properties of La0.8−x□xCa0.2MnO3 (0.00≤x≤0.20) polycrystalline samples has been investigated…”
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Electrical transport and giant magnetoresistance in La0.8−x□xCa0.2MnO3 (x=0, 0.1 and 0.2) oxides
Published in Journal of magnetism and magnetic materials (01-08-2014)“…La0.8−x□xCa0.2MnO3 (x=0, 0.1 and 0.20) samples were prepared by the conventional solid-state reaction and annealed at 1200K. X-ray diffraction and scanning…”
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Preparation of New Composite Magnetocaloric Compounds by Modifying the Annealing Temperature of La0.8Ca0.2−x□xMnO3 Perovskite
Published in Journal of superconductivity and novel magnetism (01-05-2012)“…In this paper, a new method to broaden the range of the magnetic refrigeration temperature by changing the annealing temperature was proposed. Series of La 0.8…”
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Effect of Fe-doping on Magnetocaloric Properties of AMn1−xFexO3 Compounds (0≤x≤0.2)
Published in Journal of superconductivity and novel magnetism (01-07-2012)“…We have investigated the effect of iron substitution on the magnetocaloric properties of manganites with La 0.75 Ca 0.08 Sr 0.17 Mn 1− x Fe x O 3 ( x =0,…”
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A new range of specific perovskite-type materials with structural, magnetic and magnetocaloric properties: La0.67Ca0.33-xSrxMn0.98Fe0.02O3 (0.15 ≤ x ≤ 0.3)
Published in Solid state sciences (01-09-2021)“…The effect of strontium doping on the structural, magnetic and magnetocaloric properties of La0.67Ca0.33-xSrxMn0.98Fe0.02O3 samples for (x = 0.15; 0.2.and 0.3)…”
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Effect of sodium deficiency on the critical behavior near the paramagnetic to ferromagnetic phase transition temperature in La0.8Na0.2-x...xMnO3 oxides
Published in Journal of magnetism and magnetic materials (01-11-2017)“…The critical behavior associated with the magnetic phase transition has been investigated by in La0.8Na0.2-x...xMnO3 (0.00 = x = 0.15) (... is the sodium…”
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Journal Article -
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Enhancement of magnetocaloric effect by Nickel substitution in La 0.67 C a 0.33 Mn 0.98 Ni 0.02 O 3 manganite oxide
Published in Journal of magnetism and magnetic materials (01-12-2019)Get full text
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