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Investigation on the Thermal Stability of the Compounds Y1-xErxCo5 (x = 0, 0.12, 0.24)

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Abstract:

The rare earth-cobalt compounds with CaCu5-type structure were discovered to have outstanding permanent magnetic properties. The thermal stability of Y1-xErxCo5 (x = 0, 0.12, 0.24) was investigated by X-ray powder diffraction, differential thermal analysis and scanning electron microscopy with energy dispersive analysis. The influence of Er for Y on the decomposition of Y1-xErxCo5 was discussed. The substitution of Er for Y in the compound YCo5 obviously enhanced the decomposition temperature and accelerated the decomposition reaction of the compounds Y1-xErxCo5 into (Y1-xErx)2Co17 and (Y1-xErx)2Co7.

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Progress in Materials Science and Engineering: ICMSE 2013 View Preview

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Periodical:

Advanced Materials Research (Volume 815)

Pages:

126-129

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.815.126

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Online since:

October 2013

Authors:

Wei He, Yong Zhi Zhang, Yun Hong Zhao, Ling Min Zeng

Keywords:

Co-Er-Y System, Thermal Stability, X-Ray Diffraction (XRD)

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