Characterization of CoPt-C nanocomposite films prepared by pulsed filtered vacuum arc deposition (マルチメディアストレージ 第6回アジア情報記録技術シンポジウム〔英文〕)
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概要
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CoPt-C nanocomposite thin films of various carbon compositions were prepared by a pulsed filtered vacuum arc deposition technique. Annealing was performed in vacuum for one hour at various temperatures. The dependence of the magnetic properties on the carbon composition and annealing temperature was studied. Both x-ray diffraction and magnetic force microscopy analyses confirmed the formation of nano-crystallites of face-centered-tetragonal CoPt phase in the carbon matrix after annealing at a sufficiently high temperature, depending on the carbon composition. For the film with a particular composition of Co_<24>Pt_<31>C_<45> the coercivity and the grain size were observed to increase with increasing annealing temperature, up to a value of 7 kOe at an annealing temperature of 750℃, and the grain size increased from 9 to 20 nm.
- 社団法人映像情報メディア学会の論文
- 2001-11-07
著者
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Wong S.p.
Department Of Electronic Engineering And Materials Science And Technology Research Center The Chines
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Cheung W.y.
Department Of Electronic Engineering And Materials Science And Technology Research Center The Chines
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Cheung W.
Department Of Electronic Engineering & Materials Science And Technology Research Centre The Chin
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Pakhomov A
Materials Characterisation And Preparation Facility Hong Kong University Of Science And Technology
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Pakhomov A.B.
Materials Characterizatino and Preparation Facility Hong Kong University of Science and technology,
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Chiah M.F.
Department of Electronic Enginneering The Chinese University of Hong Kong
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Chiah M.f.
Department Of Electronic Engineering And Materials Science And Technology Research Center The Chines
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Wang H.
Department Of Electronic Engineering And Materials Science And Technology Research Center The Chines
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Poon C.Y.
Department of Electronic Engineering and Materials Science and Technology Research Center, The Chine
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Wong Catherine
Materials Characterisation and Preparation Facility, Hong Kong University of Science and Technology
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Poon C.y
Department Of Electronic Engineering And Materials Science And Technology Research Center The Chines
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Wong Catherine
Materials Characterisation And Preparation Facility Hong Kong University Of Science And Technology
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Poon C.
Department Of Electronic Engineering & Materials Science And Technology Research Centre The Chin
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Wang H.
Department Of Anatomy And Cell Biology The George Washington University Medical Center
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Pakhomov A.B.
Materials Characterisation and Preparation Facility, Hong Kong University of Science and Technology
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