Perpendicular magnetization in Ni/Pt multilayers
作者:
R. Krishnan,
H. Lassri,
M. Porte,
M. Tessier,
P. Renaudin,
期刊:
Applied Physics Letters
(AIP Available online 1991)
卷期:
Volume 59,
issue 27
页码: 3649-3650
ISSN:0003-6951
年代: 1991
DOI:10.1063/1.105608
出版商: AIP
数据来源: AIP
摘要:
Ni/Pt multilayers have been prepared by electron beam evaporation under ultrahigh vacuum conditions. All the samples were grown at 300 K. Thet(Ni) was in the range 0.7–2.1 nm andt(Pt) was fixed at 2 nm. The magnetization and the Curie temperature for these samples are lower than that of bulk Ni. For the samples witht(Ni)≤1 nm perfect rectangular hysteresis loops are obtained along the film normal in the low temperature range (5 to 70 K) indicating the presence of a strong uniaxial anisotropy. The coercivity for the sample witht(Ni)=0.7 nm at 5 K is as high as 4.7 kOe.
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