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Structure and orientation of films prepared by reactive sputtering of Ni, Fe, and NiFe ...
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Structure and orientation of films prepared by reactive sputtering of Ni, Fe, and NiFe in Ar/N2mixtures
作者:
T. Takamori,
K. K. Shih,
D. B. Dove,
R. W. Nywening,
M. E. Re,
期刊:
Journal of Applied Physics
(AIP Available online 1990)
卷期:
Volume 68,
issue 5
页码: 2192-2195
ISSN:0021-8979
年代: 1990
DOI:10.1063/1.347176
出版商: AIP
数据来源: AIP
摘要:
Using controlled N2/Ar sputtering gas mixtures, rf‐sputtered films were prepared from Fe, Ni, and Ni81Fe19targets, and their structure and orientation were studied by x‐ray diffraction. When no N2was introduced during sputtering, all the films were oriented in the highest density planes; i.e., in (110), (111), and (111) for &agr;‐Fe, Ni, and &ggr;‐Ni81Fe19, respectively. With increasing N2introduction, however, the orientation shifted to lower density planes, and eventually nitrides were formed. Multilayer films of metal and nitride were prepared with the Ni81Fe19target by repetitive supply of N2for short periods during sputtering. Strong orientation effects were observed depending on the number of layers grown. In addition, the x‐ray diffraction of these films presented evidence of epitaxial growth of the nitrides (Ni,Fe)4N on the alloy layers.
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