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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 3
BKCSDE 35(3)
March 20, 2014

Title	Nd₂Fe₁₄B Synthesis: Effect of Excess Neodymium on Phase Purity and Magnetic Property
Author	Abhijit P. Jadhav, Haoxuan Ma, Dong Soo Kim, Youn Kyung Baek, Chul Jin Choi, Young Soo Kang*
Keywords	Ferromagnetism, Nd₂Fe₁₄B, Reduction-diffusion
Abstract	The properties of magnetic material of Nd-Fe-B are highly affected by various factors such as particle size, magnetic anisotropy, phase purity and crystal structure. Incorporation of excess neodymium was carried out in various percentages so that it will adjust the proportion of neodymium in the host crystal after reduction treatment and finally help to improve magnetic property of a material. The interdiffusion of Nd-Fe and boron was studied for various compositions and their effect on magnetic property was understood with theoretical concepts. The factors such as amount of hard and soft phase in the reduction treated product is also responsible for the possible exchange coupling between hard and soft phase magnets for better magnetic properties.
Page	886 - 890
Full Text	PDF

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