Effects of NiO nanoparticles on the magnetic properties and diffuse phase transition of BZT/NiO composites |
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| Authors: | Parkpoom Jarupoom Sukum Eitssayeam Kamonpan Pengpat Tawee Tunkasiri David P Cann Gobwute Rujijanagul |
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| Affiliation: | (1) Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand;(2) Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand;(3) Faculty of Materials Science, Department of Mechanical Engineering, Oregon State University, Corvallis, Oregon 97331, USA |
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| Abstract: | A new composite system, Ba(Zr0.07Ti0.93)O3 (BZT93) ceramic/NiO nanoparticles, was fabricated to investigate the effect of NiO nanoparticles on the properties of these composites. M-H hysteresis loops showed an improvement in the magnetic behavior for higher NiO content samples plus modified ferroelectric properties. However, the 1 vol.% samples showed the optimum ferroelectric and ferromagnetic properties. Examination of the dielectric spectra showed that the NiO additive promoted a diffuse phase transition, and the two phase transition temperatures, as observed for BZT93, merged into a single phase transition temperature for the composite samples. |
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| Keywords: | ceramics composites magnetic properties electrical properties microstructure |
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