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Title: Reduced leakage current and improved ferroelectricity in magneto-electric composite ceramics prepared with microwave assisted radiant hybrid sintering

Structural, electrical and magnetic properties of magneto-electric composite ceramics viz., 0.9 BaTi{sub 0.95}Sn{sub 0.05}O{sub 3} (BTSO)- 0.1 Ni{sub 0.8}Zn{sub 0.2}Fe{sub 2}O{sub 4} (NZFO) prepared with microwave assisted radiant hybrid sintering (MARH) are reported. Phase purity and isovalent substitution of Ti{sup 4+} by Sn{sup 4+} of the samples is confirmed from x-ray diffraction and {sup 119}Sn Mossbauer measurements respectively. Significant suppression of leakage current and improvement of ferroelectricity is observed for the composites prepared with MARH. The observed results are explained in terms of uniform dispersion of ferrite (NZFO) phase in the ferroelectric (BTSO) matrix as evidenced from back-scattered scanning electron micrographs.
Authors:
;  [1] ;  [2] ;  [3] ;  [4]
  1. UGC-DAE Consortium for Scientific Research, University Campus, Khandwa Road, Indore 452001 (India)
  2. Ceramic Laboratory, Laser Materials Development and Devices Division, RRCAT, Indore 452013 (India)
  3. Institute for Plasma Research, Bhat, Gandhinagar 382428 (India)
  4. Amity Center for Spintronic Materials, Amity University, Noida 201313 (India)
Publication Date:
OSTI Identifier:
22488543
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Advances; Journal Volume: 5; Journal Issue: 4; Other Information: (c) 2015 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CERAMICS; CHEMICAL PREPARATION; DISPERSIONS; ELECTRON SCANNING; FERRITE; FERRITES; FERROELECTRIC MATERIALS; HYBRIDIZATION; LEAKAGE CURRENT; MAGNETIC PROPERTIES; SINTERING; TIN 119; TIN IONS; TITANIUM IONS; X-RAY DIFFRACTION