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Synthesis and Magnetic Properties of BaFe12-XAlXO19 Nanopowders
- Authors
- Moon, K. W.; Jeon, K. W.; Kim, J.
- Issue Date
- Oct-2009
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Barium compounds; ferrimagnetic materials; high coercivity; nanocomposite magnet
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.45, no.10, pp.4405 - 4408
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 45
- Number
- 10
- Start Page
- 4405
- End Page
- 4408
- ISSN
- 0018-9464
- Abstract
- The effect of Al contents on the magnetic properties of Ba hexaferrite powders has been investigated in order to increase the coercivity. In this study, a self-propagating combustion method has been developed to form Ba hexaferrite nanopowders. X-ray diffraction (XRD) and transmission electron microscopy (TEM) analysis showed that nanopowders with a size of 40-60 nm were successfully produced. With increasing Al contents, the coercivity of the nanopowders increased until the powders had a magnetoplumbite structure. We obtained a coercivity of 7559 Oe in BaFe10Al2O19 powders calcined at 850 for 1 h.
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Related Researcher
- Kim, Jong ryoul
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)