Magnetic properties of epitaxial gadolinium hydride films
Magnetic properties of epitaxial gadolinium hydride films
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外延氢化钆薄膜的磁性能
DOI：
10.1016/s0925-8388(01)01639-5
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发表时间：
2002
影响因子：
6.2
通讯作者：
D. Givord
中科院分区：
文献类型：
--
作者：
P. Tessier;D. Fruchart;D. Givord
在蓝宝石衬底上生长的钼层上用脉冲激光沉积法制备了钆外延薄膜。这些薄膜表现出高的结构秩序，所示的RHEED和X射线衍射。对氢化膜的结构进行了研究。在振动样品磁强计上测量了钆和氢化钆在10 K至室温温度范围内的磁性。出乎意料的是，在0.5 MPa下氢化30分钟的薄膜仍然部分铁磁性。
Epitaxial gadolinium films were synthesized by pulsed laser deposition on a molybdenum layer itself grown on a sapphire substrate. These films exhibit high structural order, as shown by RHEED and X-ray diffraction. The structure of hydrogenated films were also studied. The magnetic properties of gadolinium and gadolinium hydride were measured in a vibrating sample magnetometer at temperatures ranging from 10 K to room temperature. Unexpectedly, films hydrogenated at 0.5 MPa for 30 min remain partly ferromagnetic.