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- Title
Improved magnetoelectric effect in lead free [72.5(BiNaTiO)-22.5(BiKTiO)-5(BiMgTiO)]: CoFeO particulate nanocomposites prepared by sol-gel method.
- Authors
Tyagi, Mintu; Sharma, Puneet; Kumari, Mukesh; Thakur, Megha
- Abstract
Non lead based ternary solid solution 72.5(BiNaTiO)-22.5(BiKTiO)-5(BiMgTiO) with high piezoelectric coefficient ( d ) of 180 pC/N has been prepared. Further, magnetoelectric (ME) particulate composites (1 − x)[72.5(BNT)-22.5(BKT)-5(BMgT)] − x CoFeO (CFO) ( x = 0, 0.1, 0.2, 0.3) were synthesized and a systematic study of structural, ferroelectric, magnetic and ME properties was undertaken. Large ME voltage coefficient ( α ) values accompanied by large piezoelectric coefficient and the adequate interface contact between the magnetic and electric phases were observed in these composites. The composite with x = 0.2, showed the large value of ME voltage coefficient ( α ) ~112 mV/cmOe due to higher d (~125 pC/N) of composite. The present study demonstrate a new environmental-friendly ME particulate composite for future applications.
- Subjects
MAGNETOELECTRIC effect; SOL-gel processes; PIEZOELECTRIC composites; LEAD; MAGNETIC transitions
- Publication
Journal of Materials Science: Materials in Electronics, 2017, Vol 28, Issue 3, p2812
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-016-5862-x