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Title: Composition and diffusion of nitrogenated carbon into the magnetic layer
Authors: Tomcik, B.
Osipowicz, T. 
Huan, C.H. 
Issue Date: 1-May-2000
Citation: Tomcik, B.,Osipowicz, T.,Huan, C.H. (2000-05-01). Composition and diffusion of nitrogenated carbon into the magnetic layer. Journal of Applied Physics 87 (9 III) : 6167-6169. ScholarBank@NUS Repository.
Abstract: A series of dc sputter deposited amorphous carbon nitride films were characterized by micro-Raman spectroscopy. Films were deposited on silicon, CoCrPt/CrV/glass and a CoCrPtTa/CrV/glass substrate. A direct correlation was found between the nitrogen content in a film, measured by Rutherford backscattering spectroscopy, and the Raman C≡N peak intensity. A frequency downshift of the Raman G band was observed for very thin films. It reflects not only the film structure but also the contribution from the vibration spectrum of the film-substrate interface. From the integrated intensity of the carbon band and a Raman shift it is possible to determine the thickness of the carbon overcoat as well as evaluate the carbon diffusion into the magnetic layer. A secondary ion mass spectroscopy carbon depth profile analysis provided additional proof of carbon diffusion into the magnetic layer. © 2000 American Institute of Physics.
Source Title: Journal of Applied Physics
ISSN: 00218979
Appears in Collections:Staff Publications

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