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Synchrotron radiation X-ray absorption fine structure and magnetization improvement of A-site Ce3+ doped LaFeO3

Arman, M. M. LU ; Imam, N. G. LU ; Loredo Portales, René and El-Dek, S. I. (2020) In Journal of Magnetism and Magnetic Materials 513.
Abstract

Synchrotron radiation (SR) is an interesting tool for probing the properties of the matter in various domains such as nanotechnology, energy materials, catalysis and the cultural heritage. Herein, we synthesized nanomultiferroic samples La1−xCexFeO3 (0.00 ≤ x ≤ 0.15) using auto combustion method and glycine as a fuel. The magnetic behavior was studied and interrelated with the results of synchrotron radiation X-ray absorption fine structure (XAFS) spectroscopy for better understanding the compositional-dependent fine local structures of A-site (Ce3+) doped LaFeO3 nanomultiferroic. The crystallinity and phase formation of the samples of perovskite structure were confirmed by XRD... (More)

Synchrotron radiation (SR) is an interesting tool for probing the properties of the matter in various domains such as nanotechnology, energy materials, catalysis and the cultural heritage. Herein, we synthesized nanomultiferroic samples La1−xCexFeO3 (0.00 ≤ x ≤ 0.15) using auto combustion method and glycine as a fuel. The magnetic behavior was studied and interrelated with the results of synchrotron radiation X-ray absorption fine structure (XAFS) spectroscopy for better understanding the compositional-dependent fine local structures of A-site (Ce3+) doped LaFeO3 nanomultiferroic. The crystallinity and phase formation of the samples of perovskite structure were confirmed by XRD technique. Field emission scanning electron microscopy (FESEM) revealed the formation of homogenous porous morphology in the prepared nanomultiferroic. The collected XAFS signals at Fe K- edge (7112 eV) and La L3- edge (5483 eV) are analyzed, fitted, and refined in both the XANES and EXAFS regions. All obtained results are correlated in order to help in the interpretation of the magnetic character of nanocrystallite La1−xCexFeO3 (0.00 ≤ x ≤ 0.15). It was observed that there is a magnetization improvement in Ce3+ doped LaFeO3 samples where the molar magnetic susceptibility (χM) increased upon Ce3+ doping. The characteristics of the improved magnetic nanomultiferroic hand in hand with its distinguished morphology recommend it in multifunctional applications such as catalysts and/or γ-radiation dosimetry purposes.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
LaFeO, Magnetization, Multiferroic, Porous nanoparticles, Synchrotron radiation, XAFS
in
Journal of Magnetism and Magnetic Materials
volume
513
article number
167097
publisher
Elsevier
external identifiers
  • scopus:85088047517
ISSN
0304-8853
DOI
10.1016/j.jmmm.2020.167097
language
English
LU publication?
yes
id
5329e461-f17d-4673-aa72-b00b973d62be
date added to LUP
2020-07-27 12:52:42
date last changed
2022-04-18 23:41:38
@article{5329e461-f17d-4673-aa72-b00b973d62be,
  abstract     = {{<p>Synchrotron radiation (SR) is an interesting tool for probing the properties of the matter in various domains such as nanotechnology, energy materials, catalysis and the cultural heritage. Herein, we synthesized nanomultiferroic samples La<sub>1−x</sub>Ce<sub>x</sub>FeO<sub>3</sub> (0.00 ≤ x ≤ 0.15) using auto combustion method and glycine as a fuel. The magnetic behavior was studied and interrelated with the results of synchrotron radiation X-ray absorption fine structure (XAFS) spectroscopy for better understanding the compositional-dependent fine local structures of A-site (Ce<sup>3+</sup>) doped LaFeO<sub>3</sub> nanomultiferroic. The crystallinity and phase formation of the samples of perovskite structure were confirmed by XRD technique. Field emission scanning electron microscopy (FESEM) revealed the formation of homogenous porous morphology in the prepared nanomultiferroic. The collected XAFS signals at Fe K- edge (7112 eV) and La L3- edge (5483 eV) are analyzed, fitted, and refined in both the XANES and EXAFS regions. All obtained results are correlated in order to help in the interpretation of the magnetic character of nanocrystallite La<sub>1−x</sub>Ce<sub>x</sub>FeO<sub>3</sub> (0.00 ≤ x ≤ 0.15). It was observed that there is a magnetization improvement in Ce<sup>3+</sup> doped LaFeO<sub>3</sub> samples where the molar magnetic susceptibility (χ<sub>M</sub>) increased upon Ce<sup>3+</sup> doping. The characteristics of the improved magnetic nanomultiferroic hand in hand with its distinguished morphology recommend it in multifunctional applications such as catalysts and/or γ-radiation dosimetry purposes.</p>}},
  author       = {{Arman, M. M. and Imam, N. G. and Loredo Portales, René and El-Dek, S. I.}},
  issn         = {{0304-8853}},
  keywords     = {{LaFeO; Magnetization; Multiferroic; Porous nanoparticles; Synchrotron radiation; XAFS}},
  language     = {{eng}},
  month        = {{11}},
  publisher    = {{Elsevier}},
  series       = {{Journal of Magnetism and Magnetic Materials}},
  title        = {{Synchrotron radiation X-ray absorption fine structure and magnetization improvement of A-site Ce<sup>3+</sup> doped LaFeO<sub>3</sub>}},
  url          = {{http://dx.doi.org/10.1016/j.jmmm.2020.167097}},
  doi          = {{10.1016/j.jmmm.2020.167097}},
  volume       = {{513}},
  year         = {{2020}},
}