Local structure of magnetoelectric BiFeO3-BaTiO3 ceramics probed by synchrotron X-Ray absorption spectroscopy

Sujittra Chandarak, Jaru Jutimoosik, Athipong Bootchanont, Muangjai Unruan, Pongsakorn Jantaratana, Shashank Priya, Sutham Srilomsak, Saroj Rujirawat, Rattikorn Yimnirun

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The novel Cu- and Mn-doped and Cu/Mn codoped 0.75BiFeO3-0. 25BaTiO3 magnetoelectric ceramics were successfully prepared by a solid-state reaction method. The dielectric, ferroelectric, ferromagnetic, and magnetoelectric properties were determined and all the results suggested that Cu and Mn dopants occupied different B-site lattices in the 0.75BiFeO 3-0.25BaTiO3 structure. To identify the preferential sites of Cu and Mn in the lattice, Synchrotron X-ray Absorption Spectroscopy (SXAS) measurements were carried out. A combination of both measured and simulated XAS results with a linear combination fitting (LCF) revealed that in Cu- and Mn-doped 0.75BiFeO3-0.25BaTiO3 ceramics both Mn and Cu substituted at Fe-site and Ti-site with slightly different proportion. On the other hand, both dopants were found to occupied different sites in Cu/Mn codoped 0.75BiFeO3-0.25BaTiO3 ceramics.

Original languageEnglish (US)
Pages (from-to)455-461
Number of pages7
JournalJournal of Superconductivity and Novel Magnetism
Issue number2
StatePublished - Jan 1 2013

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Chandarak, S., Jutimoosik, J., Bootchanont, A., Unruan, M., Jantaratana, P., Priya, S., Srilomsak, S., Rujirawat, S., & Yimnirun, R. (2013). Local structure of magnetoelectric BiFeO3-BaTiO3 ceramics probed by synchrotron X-Ray absorption spectroscopy. Journal of Superconductivity and Novel Magnetism, 26(2), 455-461. https://doi.org/10.1007/s10948-012-1764-1