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EFFECT OF PARAMAGNETIC Co$_{67}$Cr$_{33}$ UNDERLAYER ON CRYSTALLOGRAPHIC AND MAGNETIC CHARACTERISTICS OF Co-Cr-Ta LAYERS IN PERPENDICULAR MAGNETIC RECORDING MEDIA
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  • EFFECT OF PARAMAGNETIC Co$_{67}$Cr$_{33}$ UNDERLAYER ON CRYSTALLOGRAPHIC AND MAGNETIC CHARACTERISTICS OF Co-Cr-Ta LAYERS IN PERPENDICULAR MAGNETIC RECORDING MEDIA
  • EFFECT OF PARAMAGNETIC Co$_{67}$Cr$_{33}$ UNDERLAYER ON CRYSTALLOGRAPHIC AND MAGNETIC CHARACTERISTICS OF Co-Cr-Ta LAYERS IN PERPENDICULAR MAGNETIC RECORDING MEDIA
저자명
Kim. Kyung-Hwan,Nakagawa. Shigeki,Takayama. Seiryu,Naoe. Masahiko
간행물명
한국표면공학회지
권/호정보
1996년|29권 6호|pp.847-850 (4 pages)
발행정보
한국표면공학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The bi-layered films composed of Co-Cr-Ta layers and paramagnetic $Co_{67}Cr_{33}$ underlayer were deposited by suing Facing Targets Sputtering(FTS). The effects of $Co_{67}Cr_{33}$ underlayer on the crystallographic and magnetic characteristics of the Co-Cr-Ta layer deposited on the underlayer was investigated. The diffraction intensity $I_{p(002)}$ of Co-Cr-Ta layers on the $Co_{67}Cr_{33}$ layer was stronger than that of single layer and Co-Cr-Ta/Ti double layer. Therefore, the crystallinity of Co-Cr-Ta layer was imporved by the $Co_{67}Cr_{33}$ underlayer rather than Ti ones. However, te coercivity H$_{cot}$ of Co-Cr-Ta layers deposited on $Co_{67}Cr_{33}$ underlayer was as low as 250 Oe even at substrate temperature of $220^{circ}C$. This H$_{cot}$ decrease seems to be attributed to the effect of the $Co_{67}Cr_{33}$ underlayer as well as interval time between deposition of the underlayer and the Co-Cr-Ta layer.