| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8021522 | Materials Letters | 2013 | 10 Pages |
Abstract
Bi doped TbMnO3 ceramics have been synthesized by solid state reaction, and the effect of substitution in TbMnO3 on the structural, magnetic and dielectric properties is investigated. The X-ray diffraction pattern shows that the samples have an orthorhombic structure. The Bi substitution is found to suppresses the Tb-spin ordering point (TTb) and ferroelectric ordering point (TC), which attributed to the strength reduction in the exchange interactions JTb-Tb and JMn-Tb. In addition, a dielectric relaxation with an activation energy of ~20Â meV is observed at low temperature in Tb1âxBixMnO3, and the relaxorlike dielectric characteristics may be attributed to the dipolar effects induced by charge carrier hopping motions.
Related Topics
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Nanotechnology
Authors
Chao Zhang, Haitao Yan, Xiaofei Wang, Dawei Kang, Liben Li, Xiaomei Lu, Jinsong Zhu,