Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 641, Issue -, Pages 223-227Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2015.03.265
Keywords
Composites; Magnetic materials; Sol-gel chemistry; Magnetic properties
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Funding
- National Natural Science Foundation of China [51402178]
- Science and Technology Foundation of Shaanxi Province [2013KJXX79, 2013JQ6004]
- Special Foundation of the Ministry of Shaanxi Province [2013JK0937]
- Scientific Research Starting Foundation of Shaanxi University of Science and Technology [BJ13-13]
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BaFe12O19/Y3Fe5O12 (BaM/YIG) composites with giant enhancement of magnetic energy product ((BH)(max)) were fabricated by microwave sintering the BaM/YIG composite powders, which were firstly prepared using a simple sol-gel method. The phase composition and surface morphology of the as-synthesized composites were characterized by an X-ray diffractometer and a scanning electron microscopy equipped with energy dispersive X-ray spectroscopy, respectively. The magnetic properties of the composites were investigated by a vibrating sample magnetometer. All the composites show single-phase-like magnetic hysteresis loops. The results reveal the hard phase (BaM) and soft phase (YIG) are well exchange coupled and the introduction of YIG could significantly enhance the remnant magnetization (M-r), coercivity (H-c) and (BH)(max) of BaM. (C) 2015 Elsevier B.V. All rights reserved.
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