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Structural, dielectric and magnetic properties of Gd and Dy doped (Bi0.95RE0.05)(Fe0.95Mn0.05)O-3 ceramics synthesized by SSR method
Shoolini University, India.
Shoolini University, India.
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, The Institute of Technology.
2014 (English)In: Solid State Communications, ISSN 0038-1098, E-ISSN 1879-2766, Vol. 197Article in journal (Refereed) Published
Abstract [en]

The multiferruic (Bi0.95RE0.05)(Fe0.95Mn0.05)O-3 (where RE is Gd (BGFM) and Dy (BDFM)) has been synthesized by using the solid state reaction (SSR) technique. Effects of Gd and Dy substitutions on the structure, electrical and ferroelectric properties of (Bi0.95RE0.05)(Fe0.95Mn0.05)O-3 samples have been studied by performing X-ray diffraction, dielectric measurements and magnetic measurements. The crystal structure of the ceramic samples shows a monoclinic phase. Studies of dielectric properties (dielectric constant (epsilon) and tangent loss (tan delta)) both as a function of frequency (10 and 100 kHz) and temperatures (20-300 degrees C) exhibit dielectric anomaly in the range of (225-245 degrees C) suggesting a possible ferroelectric-paraelectric phase transition in the compounds. The vibrating sample magnetometer (VSM) measurement shows a significant change in the magnetic properties of Gd and Dy doped (Bi0.95RE0.05)(Fe0.95Mn0.05)O-3. It is seen that the coercive field (H-C) and remanent magnetization (M-R) increase for Gd.

Place, publisher, year, edition, pages
Elsevier , 2014. Vol. 197
Keyword [en]
Ceramics; X-ray diffraction; Dielectric properties; Magnetic properties
National Category
Biological Sciences
URN: urn:nbn:se:liu:diva-112173DOI: 10.1016/j.ssc.2014.07.024ISI: 000343223000001OAI: diva2:764262
Available from: 2014-11-18 Created: 2014-11-18 Last updated: 2014-11-18

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Tiwari, Ashutosh
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