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潘洪革

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期刊论文

Magnetic properties of Sm3 (Fe, Mo) 29Nx interstitial nitride

潘洪革Hongge Pana b* Changpin Chenb C.S. Wang b Xiufeng Han a Fuming Yang a

Journal of Magnetism and Magnetic Materials 170 (1997) 331-334,-0001,():

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摘要/描述

Sm3 (Fe, Mo) 29Nx nitride has been synthesized at 823K for 2.5h by gas phase reaction under 1 atm of nitrogen. The nitride retains the structure of parent compound. The unit cell volume of the nitride is 4.7% greater than that of the parent compound. Introduction of nitrogen leads to an increase of Curie temperature Tc from 445K for the parent to 704K for the nitride, and an increase of saturation magnetization Ms from 135Am2/kg for the parent to 152Am2/kg for the nitride at 4.2K, and from 107Am2/kg for the parent to 137Am2/kg for the nitride at 300K. The nitride exhibits uniaxial anisotropy with an anisotropy field Ba of 20.5T at 4.2K and 14.6T at 300K.

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