Volume 89, Number 2, January 2010
|Number of page(s)||4|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||01 February 2010|
Room-temperature multiferroic properties in NiBi2O4
National Laboratory of Solid State Microstructures, Nanjing University - Nanjing 210093, PRC
2 Department of Physics, Nanjing University - Nanjing 210093, PRC
3 Department of Physics, Nanjing University of Science and Technology - Nanjing 210094, PRC
Corresponding authors: email@example.com firstname.lastname@example.org
Accepted: 21 December 2009
Magnetism and ferroelectricity at room temperature are observed in the NiBi2O4 ceramics. Both the time reversal and the inversion symmetry of the structure (space group F-43m) are broken. The saturation magnetization is 0.028 emu/g and the saturation polarization 2Ps ~ 4.0 μC/cm2. NiBi2O4 also shows other room-temperature multiferroic properties, e.g. the piezoelectric coefficient (d33), the polarized dielectric character, the magneto-dielectric response and the magnetoelectric effect.
PACS: 75.30.-m – Intrinsic properties of magnetically ordered materials / 77.84.-s – Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials
© EPLA, 2010
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