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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Magnetoelasticity of (Lu_(0.8)Ce_(0.2))_2Fe_(17) intermetallic compound
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Magnetoelasticity of (Lu_(0.8)Ce_(0.2))_2Fe_(17) intermetallic compound

机译：（Lu_（0.8）Ce_（0.2））_ 2Fe_（17）金属间化合物的磁弹性

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Study of magnetostriction of (Lu_(0.8)Ce_(0.2))_2Fe_(17) has been performed by two methods, bulk and microscopic: by the capacitor dilatometer on a single crystal grown by the Czochralski method and by the X-ray powder diffraction. The field-induced transition from the antiferromagnetic to the ferromagnetic state is accompanied by the lattice expansion both in the basal plane and along the c-axis of the hexagonal structure. In addition to the spontaneous linear magnetostriction lambda_(alpha)~s = 0.8 X 10~(-3), lambda_c~s = 6.8 X 10~(-3) along the a and c axes, respectively, and volume effect omega_s = 8.4 X 10~(-3), a comparable field-induced magnetostriction (lambda_(alpha) = 1.3 X 10~(-3), lambda_c = 3.4 X 10~(-3), omega = 6.0 X 10~(-3)) is observed in a field of 5T applied along the alpha-axis.
机译：（Lu_（0.8）Ce_（0.2））_ 2Fe_（17）的磁致伸缩的研究已通过两种方法（体相法和微观法）进行了研究：通过电容膨胀计在通过Czochralski方法生长的单晶上以及通过X射线粉末衍射。从反铁磁状态到铁磁状态的场感应跃迁伴随着在基面和沿六边形结构的c轴的晶格扩展。除了自发线性磁致伸缩lambda_s〜s = 0.8 X 10〜（-3）以外，分别沿a和c轴的lambda_c〜s = 6.8 X 10〜（-3），体积效应omega_s = 8.4 X 10〜（-3），类似的场致磁致伸缩（lambda_α= 1.3 X 10〜（-3），lambda_c = 3.4 X 10〜（-3），ω= 6.0 X 10〜（-3） ）在沿alpha轴施加的5T场中观察到。

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