Search Results - "Kallel, Nabil"

Crystal Structure, Magnetic and Electrical Properties of Half-Doped Chromium Manganite La0.5Sr0.5Mn0.5Cr0.5O3.

Authors: Kallel, Nabil Hazzez, Mohamed Ihzaz, Nejib

Source: Journal of Superconductivity & Novel Magnetism; Aug2019, Vol. 32 Issue 8, p2623-2631, 9p

Crystal Structure, Magnetic and Electrical Properties of Half-Doped Chromium Manganite La0.5Sr0.5Mn0.5Cr0.5O3.

Authors: Kallel, Nabil Hazzez, Mohamed Ihzaz, Nejib

Source: Journal of Superconductivity & Novel Magnetism. Aug2019, Vol. 32 Issue 8, p2623-2631. 9p.

Subjects: Crystal structure, Magnetic properties, Rietveld refinement, Manganite, Magnetic measurements, Manganese alloys

Crystal Structure, Magnetic and Electrical Properties of Half-Doped Chromium Manganite La0.5Sr0.5Mn0.5Cr0.5O3.

Authors: Kallel, Nabil Hazzez, Mohamed Ihzaz, Nejib

Source: Journal of Superconductivity & Novel Magnetism. Aug2019, Vol. 32 Issue 8, p2623-2631. 9p.

Subject Terms: *Crystal structure, *Magnetic properties, *Rietveld refinement, *Manganite, *Magnetic measurements, *Manganese alloys

Structural Magnetic and Electrical Properties in Nd-Doped Manganites (LaNd)SrMnTiO with 0 ≤ x ≤ 0.30.

Authors: Abassi, Amel Kallel, Nabil Kallel, Sami et al.

Source: Journal of Superconductivity & Novel Magnetism; Oct2014, Vol. 27 Issue 10, p2353-2364, 12p

Electrical Resistivity Behavior and VRH Transport Mechanism in Semiconducting LaSrMnFeCrO (0.10≤ x≤0.25) Manganites.

Authors: Ben Abdelkhalek, Sonia Kallel, Nabil Kallel, Sami et al.

Source: Journal of Superconductivity & Novel Magnetism; Nov2013, Vol. 26 Issue 11, p3171-3180, 10p

Crystal Structure, Magnetic and Electrical Properties of Half-Doped Chromium Manganite La0.5Sr0.5Mn0.5Cr0.5O3.

Authors: Kallel, Nabil Hazzez, Mohamed Ihzaz, Nejib

Source: Journal of Superconductivity & Novel Magnetism. Aug2019, Vol. 32 Issue 8, p2623-2631. 9p.

Electrical conductivity and complex impedance analysis of La0.7−xNdxSr0.3Mn0.7Ti0.3O3 (x≤0.30) perovskite.

Authors: Abassi, Amel Kallel, Nabil Kallel, Sami et al.

Source: Journal of Magnetism & Magnetic Materials. Mar2016, Vol. 401, p853-859. 7p.

Subjects: Polycrystalline semiconductors, X-ray diffraction, Oxide minerals, Electric conductivity, Perovskite

Structural and magnetic properties of hole-doped(La0.56Ce0.14)Sr0.30MnO3 perovskite

Authors: Kallel, Nabil Kallel, Sami Peña, Octavio et al.

Source: Solid State Sciences. Aug2009, Vol. 11 Issue 8, p1494-1498. 5p.

Subjects: Perovskite, Magnetic properties, Molecular structure, Holes (Electron deficiencies), Semiconductor doping, Solid state chemistry, Cerium oxides, Rietveld refinement

Transport behavior and mechanism of conduction of simultaneously substituted Y and Fe in La0.7Ba0.3MnO3 perovskite

Authors: Abdelkhalek, Sonia Ben Kallel, Nabil Kallel, Sami et al.

Source: Physica B. Nov2011, Vol. 406 Issue 21, p4060-4067. 8p.

Subjects: Hopping conduction, Electric conductivity, Lanthanum compounds, Yttrium, Iron, Perovskite, Polarons, Semiconductors

Magnetocaloric properties in the Cr-doped La0.7Sr0.3MnO3 manganites

Authors: Kallel, Nabil Kallel, Sami Hagaza, Ahmed et al.

Source: Physica B. Feb2009, Vol. 404 Issue 2, p285-288. 4p.

Subjects: Magnetic materials, Manganite, Properties of matter, Polycrystals, Semiconductor doping, Curie temperature, Entropy, Perovskite

Large magnetocaloric effect in Ti-modified La0.70Sr0.30MnO3 perovskite

Authors: Kallel, Sami Kallel, Nabil Peña, Octavio et al.

Source: Materials Letters. May2010, Vol. 64 Issue 9, p1045-1048. 4p.

Subjects: Perovskite, Titanium, Magnetic properties of metals, Entropy, Curie temperature, Magnetic fields, Fermi liquid theory, Cooling

Critical behavior and magnetic entropy change in the La0.6Sr0.4Mn0.8Fe0.1Cr0.1O3 perovskite

Authors: Ben Abdelkhalek, Sonia Kallel, Nabil Kallel, Sami et al.

Source: Journal of Magnetism & Magnetic Materials. Nov2012, Vol. 324 Issue 22, p3615-3619. 5p.

Subjects: Lanthanum compounds, Perovskite, Ceramic materials, Magnetization, Phase transitions, Magnetic fields

Effect of the simultaneous substitution of two transition metals on the structural, magnetic and electrical properties of La0.6Sr0.4Mn1−2x Cr x Fe x O3

Authors: Ben Abdelkhalek, Sonia Kallel, Nabil Kallel, Sami et al.

Source: Journal of Magnetism & Magnetic Materials. Nov2010, Vol. 322 Issue 21, p3416-3422. 7p.

Subjects: Transition metals, Electric properties of metals, Magnetic properties of metals, Perovskite, Curie temperature, Magnetization, Zero-point field, Spin glasses, Antiferromagnetism

Research on charge-ordering state in La0.5Sr0.5MnO2.88 and La0.5Sr0.5Mn0.5Ti0.5O3 systems

Authors: Kallel, Nabil Ihzaz, Nejib Kallel, Sami et al.

Source: Journal of Magnetism & Magnetic Materials. Aug2009, Vol. 321 Issue 15, p2285-2289. 5p.

Subjects: Ferromagnetism, Perovskite, Chemical systems, Electric conductivity, Doped semiconductors, X-ray diffraction

Determination of the spontaneous magnetization by analysis of the magnetic entropy change in La0.40Nd0.30Sr0.30Mn0.70Cr0.30O3

Authors: Kallel, Sami Kallel, Nabil Peña, Octavio et al.

Source: Journal of Alloys & Compounds. Aug2010, Vol. 504 Issue 1, p12-15. 4p.

Subjects: Magnetization, Entropy, Perovskite, Phase transitions, Transition temperature, Ferromagnetism

Structural and magnetic properties of (La0.70−x Y x )Ba0.30Mn1−x Fe x O3 perovskites simultaneously doped on A and B sites (0.0≤ x ≤0.30)

Authors: Kallel, Nabil Abdelkhalek, Sonia Ben Kallel, Sami et al.

Source: Journal of Alloys & Compounds. Jul2010, Vol. 501 Issue 1, p30-36. 7p.

Subjects: Perovskite, Polycrystals, Molecular structure, Magnetic crystals, Solid solutions, Rietveld refinement, Spin glasses, X-ray diffraction

Structural, magnetic and electrical properties of (La0.70−x Nd x )Sr0.30Mn0.70Cr0.30O3 with 0≤ x ≤0.30

Authors: Hagaza, Ahmed Kallel, Nabil Kallel, Sami et al.

Source: Journal of Alloys & Compounds. Nov2009, Vol. 486 Issue 1/2, p250-256. 7p.

Subjects: Perovskite, Molecular structure, Electric properties of metals, Magnetic properties of metals, Ceramic materials, Antiferromagnetism, Temperature effect, Semiconductors

Complex impedance spectroscopy studies of (La0.70−x Nd x )Sr0.30Mn0.70Cr0.30O3 (x≤0.30) perovskite compounds

Authors: Kallel, Sami Nasri, Ammar Kallel, Nabil et al.

Source: Physica B. May2011, Vol. 406 Issue 11, p2172-2176. 5p.

Subjects: Perovskite, Impedance spectroscopy, Semiconductor doping, Hopping conduction, Polarons, Activation (Chemistry), Relaxation phenomena, Crystal grain boundaries

Influence of non-magnetic and magnetic ions on the MagnetoCaloric properties of La0.7Sr0.3Mn0.9M0.1O3 doped in the Mn sites by M=Cr, Sn, Ti.

Authors: Arayedh, Brahim Kallel, Sami Kallel, Nabil et al.

Source: Journal of Magnetism & Magnetic Materials. Jun2014, Vol. 361, p68-73. 6p.

Subjects: Manganese compounds, Magnetic ions, Caloric expenditure, Doping agents (Chemistry), Temperature measurements, Magnetic properties of metals

Electrical and magnetic properties of LaBaMn(Me)O perovskite manganites: case of manganese substituted by trivalent (Me = Cr) and tetravalent (Me = Ti) elements.

Authors: Oumezzine, Marwène Peña, Octavio Kallel, Sami et al.

Source: Applied Physics A: Materials Science & Processing. Mar2014, Vol. 114 Issue 3, p819-828. 10p.