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Tytuł artykułu

Structural and magnetic studies on praseodymium and transition-metal co-substituted BiFeO3ceramics

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Bulk ceramic compositions of BiFeO3 (BFO), (Bi0.90Pr0.10)FeO3 and (Bi0.90Pr0.10)Fe0.95T0.05O3 [T=Cu, Co] were synthesized using conventional solid-state reaction route. Confirmation of phase formation was established by x-ray diffraction technique. The relative shifts in the most intense peaks of the pristine BFO sample indicated the substitution of rare-earth and transition metal ions at their respective sites. The grain size decreased with the A- and B-site substitution in BFO. In Raman spectra, Pr and Co/Cu co-substituted BFO samples exhibit hardening of the low-frequency modes. It is also observed that the line-widths of Raman peaks are broadened as compared with those of the pure sample. The saturation magnetization enhanced with Pr and Co co-substitution in BFO with a value of 1.5 emu/g.
Słowa kluczowe
Wydawca

Rocznik
Tom
1
Numer
1
Opis fizyczny
Daty
online
2015-03-24
Twórcy
  • Department of Materials
    & Ceramic Engineering, CICECO, University of Aveiro, Portugal
  • Department of Physics, Central University of Rajasthan,
    Rajasthan, India
  • Department of Physics & Engineering Physics,
    Tulane University, New Orleans, USA
    and Department of Physics and Institute of Functional Nanomaterials,
    University of Puerto Rico, San Juan, USA
  • Department of Physics, University of Aveiro,
    Portugal
  • Department of Materials & Ceramic Engineering,
    CICECO, University of Aveiro, Portugal
  • Department of Physics and Institute of Functional
    Nanomaterials, University of Puerto Rico, San Juan, USA
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_muma-2014-0003
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