Electrical and magnetic transport in Strontium doped Europium Ferrimanganites

I. A. Abdel-Latif, Mahrous R. Ahmed, I. A. Al-Omari, A. Sellai

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Eu0.65Sr0.35FexMn1−xO3 (x=0.1, 0.3 and 0.5) has been prepared using a standard solid state reaction method. The under-investigation compounds is found to crystallize in a single-phase orthorhombic structure in the Pbnm space group (62). The adiabatic polaron electronic transfer was obtained for all samples and the activation energy of x=0.1 sample is equal to 1.013 meV and slightly increase at x=0.3 (1.289 meV) while is doubled for x=0.5 to be 2.1065 meV. The magnetization–temperature dependence measurements of Eu0.65Sr0.35FexMn1−xO3 show the ferromagnetic ordering at low iron concentration x=0.1 and when iron concentration increase to x=0.5 the noncollinear magnetic ordering (the canted antiferromagnetic) is obtained. The magnetic phase transition (paramagnetic-ferromagnetic transition) in the Eu0.65Sr0.35Fe0.1Mn0.9O3 is observed at Tc of 150 K. For Eu0.65Sr0.35Fe0.5Mn0.5O3 the multi-magnetic phase transition is observed at Tc of 200K and TN of 430 K. The resistivity at low temperature is measured. Theoretical Calculations using Monte Carlo code have been done. The magnetization as function of temperature has been calculated using Monte Carlo simulations for Eu0.65Sr0.35FexMn1−xO3 (x=0.0, 0.1, 0,2, 0.3, 0.4 and 0.5). Ising model is a suitable model to study the magnetization for our compounds. The internal energy for x=0 is the highest value compared with the other x values which have nearly a ground state value equal to 2.7 J

Original languageEnglish
Pages (from-to)363-370
Number of pages8
JournalJournal of Magnetism and Magnetic Materials
Volume420
DOIs
Publication statusPublished - Dec 15 2016

Fingerprint

Europium
Strontium
europium
strontium
Magnetization
Iron
Phase transitions
iron
Gene Conversion
Ising model
magnetization
Phase structure
Solid state reactions
internal energy
Ground state
Activation energy
activation energy
solid state
Temperature
electrical resistivity

Keywords

  • Adiabatic polaron
  • Ferrimanganite
  • Internal energy
  • Ising model
  • Magnetic ordering
  • Perovskite-like structure

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Electrical and magnetic transport in Strontium doped Europium Ferrimanganites. / Abdel-Latif, I. A.; Ahmed, Mahrous R.; Al-Omari, I. A.; Sellai, A.

In: Journal of Magnetism and Magnetic Materials, Vol. 420, 15.12.2016, p. 363-370.

Research output: Contribution to journalArticle

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abstract = "Eu0.65Sr0.35FexMn1−xO3 (x=0.1, 0.3 and 0.5) has been prepared using a standard solid state reaction method. The under-investigation compounds is found to crystallize in a single-phase orthorhombic structure in the Pbnm space group (62). The adiabatic polaron electronic transfer was obtained for all samples and the activation energy of x=0.1 sample is equal to 1.013 meV and slightly increase at x=0.3 (1.289 meV) while is doubled for x=0.5 to be 2.1065 meV. The magnetization–temperature dependence measurements of Eu0.65Sr0.35FexMn1−xO3 show the ferromagnetic ordering at low iron concentration x=0.1 and when iron concentration increase to x=0.5 the noncollinear magnetic ordering (the canted antiferromagnetic) is obtained. The magnetic phase transition (paramagnetic-ferromagnetic transition) in the Eu0.65Sr0.35Fe0.1Mn0.9O3 is observed at Tc of 150 K. For Eu0.65Sr0.35Fe0.5Mn0.5O3 the multi-magnetic phase transition is observed at Tc of 200K and TN of 430 K. The resistivity at low temperature is measured. Theoretical Calculations using Monte Carlo code have been done. The magnetization as function of temperature has been calculated using Monte Carlo simulations for Eu0.65Sr0.35FexMn1−xO3 (x=0.0, 0.1, 0,2, 0.3, 0.4 and 0.5). Ising model is a suitable model to study the magnetization for our compounds. The internal energy for x=0 is the highest value compared with the other x values which have nearly a ground state value equal to 2.7 J",
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AU - Abdel-Latif, I. A.

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AU - Al-Omari, I. A.

AU - Sellai, A.

PY - 2016/12/15

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N2 - Eu0.65Sr0.35FexMn1−xO3 (x=0.1, 0.3 and 0.5) has been prepared using a standard solid state reaction method. The under-investigation compounds is found to crystallize in a single-phase orthorhombic structure in the Pbnm space group (62). The adiabatic polaron electronic transfer was obtained for all samples and the activation energy of x=0.1 sample is equal to 1.013 meV and slightly increase at x=0.3 (1.289 meV) while is doubled for x=0.5 to be 2.1065 meV. The magnetization–temperature dependence measurements of Eu0.65Sr0.35FexMn1−xO3 show the ferromagnetic ordering at low iron concentration x=0.1 and when iron concentration increase to x=0.5 the noncollinear magnetic ordering (the canted antiferromagnetic) is obtained. The magnetic phase transition (paramagnetic-ferromagnetic transition) in the Eu0.65Sr0.35Fe0.1Mn0.9O3 is observed at Tc of 150 K. For Eu0.65Sr0.35Fe0.5Mn0.5O3 the multi-magnetic phase transition is observed at Tc of 200K and TN of 430 K. The resistivity at low temperature is measured. Theoretical Calculations using Monte Carlo code have been done. The magnetization as function of temperature has been calculated using Monte Carlo simulations for Eu0.65Sr0.35FexMn1−xO3 (x=0.0, 0.1, 0,2, 0.3, 0.4 and 0.5). Ising model is a suitable model to study the magnetization for our compounds. The internal energy for x=0 is the highest value compared with the other x values which have nearly a ground state value equal to 2.7 J

AB - Eu0.65Sr0.35FexMn1−xO3 (x=0.1, 0.3 and 0.5) has been prepared using a standard solid state reaction method. The under-investigation compounds is found to crystallize in a single-phase orthorhombic structure in the Pbnm space group (62). The adiabatic polaron electronic transfer was obtained for all samples and the activation energy of x=0.1 sample is equal to 1.013 meV and slightly increase at x=0.3 (1.289 meV) while is doubled for x=0.5 to be 2.1065 meV. The magnetization–temperature dependence measurements of Eu0.65Sr0.35FexMn1−xO3 show the ferromagnetic ordering at low iron concentration x=0.1 and when iron concentration increase to x=0.5 the noncollinear magnetic ordering (the canted antiferromagnetic) is obtained. The magnetic phase transition (paramagnetic-ferromagnetic transition) in the Eu0.65Sr0.35Fe0.1Mn0.9O3 is observed at Tc of 150 K. For Eu0.65Sr0.35Fe0.5Mn0.5O3 the multi-magnetic phase transition is observed at Tc of 200K and TN of 430 K. The resistivity at low temperature is measured. Theoretical Calculations using Monte Carlo code have been done. The magnetization as function of temperature has been calculated using Monte Carlo simulations for Eu0.65Sr0.35FexMn1−xO3 (x=0.0, 0.1, 0,2, 0.3, 0.4 and 0.5). Ising model is a suitable model to study the magnetization for our compounds. The internal energy for x=0 is the highest value compared with the other x values which have nearly a ground state value equal to 2.7 J

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