Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3068000
Keywords
antiferromagnetic materials; bismuth compounds; ferroelectric materials; ferroelectric transitions; lattice constants; lead compounds; magnetisation; magnetoelectric effects; multiferroics; Neel temperature; permittivity; space charge
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Funding
- Senior Research Fellowship of CSIR, India
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Magnetization, frequency dependent dielectric, and structural studies on 0.73BiFeO(3)-0.27PbTiO(3) in the temperature range from 300 to 600 K reveal anomalies in the unit cell parameters and the intrinsic value of the dielectric constant, free from space charge contributions, at the antiferromagnetic transition temperature (T-N). Our results provide unambiguous confirmation of magnetoelectric coupling of multiferroic origin at T-N and evidence for monoclinic distortion of the ferroelectric phase.
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