作者
Rabichandra Pandey, Shampa Guha, Lagen Kumar Pradhan, Sunil Kumar, Sweety Supriya, Manoranjan Kar
发表日期
2018/5/8
期刊
AIP Conference Proceedings
卷号
1953
期号
1
出版商
AIP Publishing
简介
0.5 BiFe0. 80Ti0. 20O3-0.5 Co0. 5Ni0. 5Fe2O4 (BFTO-CNFO) multiferroic composite was prepared by planetary ball mill method. X-ray diffraction analysis confirms the formation of the compound with the simultaneous presence of spinel Co0. 5Ni0. 5Fe2O4 (CNFO) and perovskite BiFe0. 80Ti0. 20O3 (BFTO) phase. Temperature dependent dielectric permittivity and loss tangent were studied with a frequency range of 100Hz to 1MHz. AC conductivity study was performed to analyze the electrical conduction behaviour in the composite. Johnscher’s power law was employed to the AC conductivity data to understand the hopping of localized charge carrier in the compound. The binding energy, minimum hopping distance and density of states of the charge carriers in the composite were evaluated from the AC conductivity data. Minimum hopping distance is found to be in order of Angstrom (Å).
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