Structural and magnetic studies on praseodymium
and transition-metal co-substituted BiFeO3 ceramics

• Authors: Indrani Coondoo , Neeraj Panwar , Venkata S. Puli , Venkata E. Ramana , A. L. Kholkin , Ram S. Katiyar
• Languages of publication: EN

Abstracts

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.

Keywords

EN

Multiferroic; Transition metal; BiFeO3

• Publisher: De Gruyter Open
• Journal: Multiferroic Materials
• Year: 2014
• Volume: 1
• Issue: 1

Dates

online

24 - 3 - 2015

Contributors

author

Indrani Coondoo

• Department of Materials
  & Ceramic Engineering, CICECO, University of Aveiro, Portugal

author

Neeraj Panwar

• Department of Physics, Central University of Rajasthan,
  Rajasthan, India

author

Venkata S. Puli

• 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

author

Venkata E. Ramana

• Department of Physics, University of Aveiro,
  Portugal

author

A. L. Kholkin

• Department of Materials & Ceramic Engineering,
  CICECO, University of Aveiro, Portugal

author

Ram S. Katiyar

• Department of Physics and Institute of Functional
  Nanomaterials, University of Puerto Rico, San Juan, USA

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Identifiers

DOI

10.2478/muma-2014-0003