Hydrogenation effect on magnetic properties of Pd-Co alloys
Hydrogenation effect on magnetic properties of Pd-Co alloys
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DOI：
10.1016/j.jmmm.2019.03.121
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发表时间：
2019-08-15
影响因子：
2.7
通讯作者：
Abe, Takayuki
中科院分区：
文献类型：
--
作者：
Akamaru, Satoshi;Kimura, Akihiro;Abe, Takayuki
研究了钯钴合金及其氢化物的磁性能。从Pd-Co合金磁化的温度依赖性来看，观察到简单的铁磁行为，Pd0.96Co0.04、Pd0.92Co0.08和Pd0.90Co0.10的居里温度分别为220、315和350 K。在100kpa氢气压力下对Pd-Co合金进行氢化处理。加氢后的磁化温度变化显示出两个磁跃迁，表明加氢后的Pd-Co中存在氢溶相和氢化相。推导出氢化物相的氢含量（[H]/[Pd-Co]）和居里温度（T-C）分别为[H]/[Pd-Co]= 0.53、0.43和0.36,T-C=
The magnetic properties of Pd-Co alloys and their hydrides were investigated. From the temperature dependences of magnetization of Pd-Co alloys, simple ferromagnetic behaviors were observed, and the Curie temperatures are estimated to be 220, 315, and 350 K for Pd0.96Co0.04, Pd0.92Co0.08, and Pd0.90Co0.10, respectively. The Pd-Co alloys were hydrogenated under 100 kPa hydrogen gas pressure. After hydrogenation, the temperature variations of magnetization revealed two magnetic transitions implying that there are two phases in the hydrogenated Pd-Co: the hydrogen dissolution and hydride phases. The hydrogen contents ([H]/[Pd-Co]) and the Curie temperature (T-C) of the hydride phase are deduced that [H]/[Pd-Co]= 0.53, 0.43 and 0.36 with T-C=