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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)

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Title: 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, Nabil1 Nabil.Kallel@fsm.rnu.tn, Abdelkhalek, Sonia Ben1, Kallel, Sami1, Peña, Octavio2, Oumezzine, Mohamed1
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
Abstract: Abstract: We present the structural and magnetic properties of polycrystalline samples of the solid solution (La0.70−x Y x )Ba0.30Mn1−x Fe x O3 (x =0.00, 0.10, 0.20 and 0.30). Samples have been prepared by a conventional solid-state reaction method in air. Rietveld refinements of the X-ray powder diffraction data show a structural transition from rhombohedral () to orthorhombic (Pbnm) symmetry when x ≥0.10. The ZFC, FC and M(H) measurements lead to conclude that the samples with x ≥0.10 behave like spin-glass systems. The substitution of Mn3+ ions by Fe3+ ions triggers antiferromagnetic interactions between the Fe3+ and Mn4+ spins. The values of the magnetization (M(H)) decrease when increasing the Fe content. On the basis of a simple model of Mn and Fe spins pointing in opposite directions, we found the experimental data close to the calculated values, confirming the antiferromagnetic alignment between Fe and Mn moments. [Copyright &y& Elsevier]
Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 51148216
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Structural and magnetic properties of (La<subscript>0.70−x </subscript>Y<subscript> x </subscript>)Ba<subscript>0.30</subscript>Mn<subscript>1−x </subscript>Fe<subscript> x </subscript>O<subscript>3</subscript> perovskites simultaneously doped on A and B sites (0.0≤ x ≤0.30)
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  Data: <searchLink fieldCode="AR" term="%22Kallel%2C+Nabil%22">Kallel, Nabil</searchLink><relatesTo>1</relatesTo><i> Nabil.Kallel@fsm.rnu.tn</i><br /><searchLink fieldCode="AR" term="%22Abdelkhalek%2C+Sonia+Ben%22">Abdelkhalek, Sonia Ben</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kallel%2C+Sami%22">Kallel, Sami</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Peña%2C+Octavio%22">Peña, Octavio</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Oumezzine%2C+Mohamed%22">Oumezzine, Mohamed</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Alloys+%26+Compounds%22">Journal of Alloys & Compounds</searchLink>. Jul2010, Vol. 501 Issue 1, p30-36. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Perovskite%22">Perovskite</searchLink><br /><searchLink fieldCode="DE" term="%22Polycrystals%22">Polycrystals</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+structure%22">Molecular structure</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+crystals%22">Magnetic crystals</searchLink><br /><searchLink fieldCode="DE" term="%22Solid+solutions%22">Solid solutions</searchLink><br /><searchLink fieldCode="DE" term="%22Rietveld+refinement%22">Rietveld refinement</searchLink><br /><searchLink fieldCode="DE" term="%22Spin+glasses%22">Spin glasses</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+diffraction%22">X-ray diffraction</searchLink>
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  Data: Abstract: We present the structural and magnetic properties of polycrystalline samples of the solid solution (La0.70−x Y x )Ba0.30Mn1−x Fe x O3 (x =0.00, 0.10, 0.20 and 0.30). Samples have been prepared by a conventional solid-state reaction method in air. Rietveld refinements of the X-ray powder diffraction data show a structural transition from rhombohedral () to orthorhombic (Pbnm) symmetry when x ≥0.10. The ZFC, FC and M(H) measurements lead to conclude that the samples with x ≥0.10 behave like spin-glass systems. The substitution of Mn3+ ions by Fe3+ ions triggers antiferromagnetic interactions between the Fe3+ and Mn4+ spins. The values of the magnetization (M(H)) decrease when increasing the Fe content. On the basis of a simple model of Mn and Fe spins pointing in opposite directions, we found the experimental data close to the calculated values, confirming the antiferromagnetic alignment between Fe and Mn moments. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.jallcom.2010.04.073
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      – Code: eng
        Text: English
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        PageCount: 7
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      – SubjectFull: Perovskite
        Type: general
      – SubjectFull: Polycrystals
        Type: general
      – SubjectFull: Molecular structure
        Type: general
      – SubjectFull: Magnetic crystals
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      – SubjectFull: Solid solutions
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      – SubjectFull: Rietveld refinement
        Type: general
      – SubjectFull: Spin glasses
        Type: general
      – SubjectFull: X-ray diffraction
        Type: general
    Titles:
      – TitleFull: 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)
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            NameFull: Kallel, Nabil
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            NameFull: Abdelkhalek, Sonia Ben
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            NameFull: Kallel, Sami
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            NameFull: Peña, Octavio
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            NameFull: Oumezzine, Mohamed
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              Text: Jul2010
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              Y: 2010
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