Journal
CHINESE PHYSICS B
Volume 23, Issue 7, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/23/7/077505
Keywords
multiferroic property; spin reorientation; dielectric property
Categories
Funding
- National Basic Research Program of China [2012CB932304, 2014AA032904]
- National Natural Science Foundation of China [11174130, U1232210]
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Multiferroic properties in a polycrystalline terbium orthoferrite are investigated. Different thermomagnetic behaviors are observed in different magnetic fields, which is attributed to the suppression of the low temperature magnetic phase by an external magnetic field. Further studies reveal that the ferroelectricity originates from the spin configuration below 3.5 K. In addition, the magnetic field control of electric polarization and dielectric constant is observed, which suggests a magnetoelectric effect in TbFeO3. The origin of ferroelectricity in this rare-earth orthoferrite is discussed.
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