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Relaxor Behaviors in xBaTiO(3)-(1-x)CoFe2O4 Materials
- Authors
- Cao Thi My Dung; Nhu Hoa Tran Thi; Kieu Hanh Thi Ta; Vinh Cao Tran; Bao Thu Le Nguyen; Van Lieu Le; Phuong Anh Do; Anh Than Dang; Ju, Heongkyu; Bach Thang Phan
- Issue Date
- Dec-2015
- Publisher
- KOREAN MAGNETICS SOC
- Keywords
- xBaTiO(3)-(1-x)CoFe2O4; dielectric properties; relaxing degree; modified Curie-Weiss law; Vogel-Fulcher law
- Citation
- JOURNAL OF MAGNETICS, v.20, no.4, pp.353 - 359
- Journal Title
- JOURNAL OF MAGNETICS
- Volume
- 20
- Number
- 4
- Start Page
- 353
- End Page
- 359
- ISSN
- 1226-1750
- Abstract
- Dielectric properties of xBaTiO(3)-(1-x)CoFe2O4 composite materials have been investigated. Dielectric properties of BaTiO3, CoFe2O4 and 0.5BaTiO(3)-05CoFe(2)O(4) samples show frequency dependence, which is classified as relaxor behavior with different relaxing degree. The relaxor behaviors were described using the modified Curier-Weiss and Vogel Fulcher laws. Among three above samples, the BaTiO3 sample has highest relaxing degree. Photoluminescence spectral indicated defects, which might in turn control relaxing degree.
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Related Researcher
- Ju, Heong Kyu
- BioNano Technology (Department of Physics)