Effect of hydrogenation on magnetic properties of r2fe 16m single crystals (r = ce, lu, and y; M = fe, mn, si, cr, and ni)

被引：3

作者：

Tereshina, E.A. ^{[1
]}

Nikitin, S.A. ^{[2
]}

Andreev, A.V. ^{[1
]}

Tereshina, I.S. ^{[3
]}

Iwasieczko, W. ^{[4
]}

Drulis, H. ^{[4
]}

机构：

[1] Institute of Physics, Academy of Sciences of the Czech Republic, Prague, 18221, Czech Republic

[2] Faculty of Physics, Moscow State University, Moscow, 119991, Russia

[3] Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Moscow, Russia

[4] Institute of Low Temperatures and Structure Research, Polish Academy of Sciences, Wroclaw 2, 50-950, Poland

来源：

Inorganic Materials: Applied Research | 2012年 / 3卷 / 02期

关键词：

rare-earth intermetallics; hydrides; magnetic phase transitions;

D O I：

10.1134/S2075113312020165

中图分类号：

学科分类号：

摘要：

In this work, the influence of hydrogen on magnetic properties of R2(Fe,M)17 (R = Ce, Lu, Y; M= Fe, Mn, Si, Cr, Ni) compounds is reported. Special attention is given to the compounds with Ce, because Ce ions might be in a mixed-valence state. Measurements of the temperature dependence of magnetization in weak magnetic fields were performed for Ce2Fe16MHy compounds and compared with those for Lu2Fe16MHy and Y2Fe16MHy (Fe, M = Mn, Si, Cr, Ni, 0 ≤ y ≤ 2). For the first time, investigation of the parent and hydrogenated compounds was carried out on single-crystalline samples. This allowed us to obtain reliable data on the peculiarities of the temperature dependence of magnetization and draw conclusions (using the neutron diffraction data) on magnetic states affected by hydrogen intrusion.

引用

页码：88 / 94

页数：6

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