NDLI: Structure, magnetic properties, and thermal stability of Sm$_{1−x }$Tm$_{ x }$Co$

Content Provider	Springer Nature Link
Author	Zuo, Jian Hua Yue, Ming Lu, Qing Mei Zhang, Dong Tao Gao, Xue Xu Zhang, Jiu Xing Guo, Zhao Hui Li, Wei
Copyright Year	2014
Abstract	Structure, magnetic properties, and thermal stability of ternary Sm$_{1−x }$Tm$_{ x }$Co$_{5}$ compounds were studied via X-ray diffraction (XRD), thermal magnetic analysis (TMA), and magnetic measurements. XRD results show that all the compounds have a main phase of hexagonal CaCu$_{5}$-type crystal structure with small amount of impurity phases; increasing Tm content is associated with contraction of the hexagonal unit cell in the direction of the c axis and expansion of the a and b parameters. TMA results indicate that the Curie temperature (T $_{C}$) of Sm$_{1−x }$Tm$_{ x }$Co$_{5}$ compounds gets higher with the increase in Tm content. Magnetic measurements show that both the magnetic anisotropy field (H $_{A}$) and the magnetization at an applied field of 7 T (M $_{7 T}$) decrease with the increase of Tm content. However, the thermal stability of both the H $_{A}$ and M $_{7 T}$ of all the Tm doped compounds is remarkably improved compared with that of the pure SmCo$_{5}$ compound, leading to the result that both the M $_{7 T}$ and H $_{A}$ of Sm$_{0.8}$Tm$_{0.2}$Co$_{5.2}$ are higher than those of SmCo$_{5}$ compound at 473 K, which indicates the good potential of Tm doped compound in the practical applications at elevated temperature.
Starting Page	176
Ending Page	179
Page Count	4
File Format	PDF
ISSN	10010521
Journal	Rare Metals
Volume Number	33
Issue Number	2
e-ISSN	18677185
Language	English
Publisher	Nonferrous Metals Society of China
Publisher Date	2014-03-18
Publisher Place	Springer Berlin Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sm$_{1−x }$Tm$_{ x }$Co$_{5}$ compounds Crystal structure Intrinsic magnetic property Thermal stability Metallic Materials Nanotechnology Ceramics, Glass, Composites, Natural Methods Surfaces and Interfaces, Thin Films Inorganic Chemistry Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Metals and Alloys Physical and Theoretical Chemistry Condensed Matter Physics

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