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Magnetic Properties and Morphologies of Synthesized Strontium Ferrite Powders by the Molten Salt Method

Title
Magnetic Properties and Morphologies of Synthesized Strontium Ferrite Powders by the Molten Salt Method
Author
김종렬
Keywords
Molten salt method; single-crystalline powder; strontium ferrite
Issue Date
2018-11
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON MAGNETICS, v. 54, No. 11, Article no. 2103204
Abstract
The magnetic properties of ferrite powders are known to be strongly dependent on their morphologies, such as size and shape. Thus, it is critical to synthesize homogeneous single-crystalline ferrite powders in order to improve the magnetic properties of composite magnetic sheets containing ferrite powders. In this experiment, strontium ferrite powders were synthesized using the molten salt method to control the microstructures and morphologies of the powders. As a result, single-crystalline hexagonal plate-shaped strontium ferrite powders with an average size of 2-3 mu m were successfully obtained by the sequential calcination process at 850 degrees C for 1 h and then at 1050 degrees C for 1 h. These synthesized ferrite powders measured a magnetic saturation of 72.9 emu/g and a coercivity of 3255 Oe.
URI
https://ieeexplore.ieee.org/abstract/document/8401852http://repository.hanyang.ac.kr/handle/20.500.11754/98801
ISSN
0018-9464; 1941-0069
DOI
10.1109/TMAG.2018.2832666
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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