Phase-specific magnetic ordering in BiFeO3-PbTiO3

Comyn, Tim P.; Stevenson, Tim; Al-Jawad, Maisoon; Turner, Stuart L.; Smith, Ronald I.; Marshall, William G.; Bell, Andrew J.; Cywinski, Robert
December 2008
Applied Physics Letters;12/8/2008, Vol. 93 Issue 23, p232901
Academic Journal
The multiferroic 0.7 BiFeO3–0.3 PbTiO3 has been fabricated in both sintered ceramic and powder form using conventional mixed oxide synthesis. Rietveld’s analysis of neutron powder diffraction data has shown that the sintered ceramic and powder are predominantly R3c and P4mm phases, respectively. It is shown explicitly that magnetic ordering does not occur for the P4mm phase at room temperature.


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