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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2007.1
- 수록면
- 102 - 106 (5page)
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초록· 키워드
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YBCO films have been synthesized using a spray pyrolysis method. We used nitrates of Y, Ba, Cu as precursors. Deposition was made on $LaAlO_3$ (100) single crystal substrate by spraying the mist of aqueous precursor solution generated by a concentric nozzle. The distance between concentric nozzle and substrate was 15 cm. C-axis oriented films were obtained at deposition temperature of $740{\sim}800^{\circ}C$ and working pressure of 20 Torr. Oxygen partial pressure was 3 Torr and substrate was transported with the speed ranging from 0.23 cm/min to 0.7 cm/min by reel to reel. Scanning electron microscope (SEM) and X-ray diffraction (XRD) observation revealed that films are smooth and highly textured with (001) planes parallel to substrate. Highest critical current density (Jc) was $1.38\;MA/cm^2$ at 77K and self-field for the film with a thickness of $0.5\;{\mu}m$ prepared at a substrate temperature of $780^{\circ}C$ and $PO_2\;=3\;Torr$. The effect of temperature on the microstructure and YBCO phase formation will be discussed.
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Deposition of YBCO Films on Moving Substrate by Spray Pyrolysis Process, using Metal-Nitrate Precursors
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Effects of Oxygen Partial Pressure on the Superconducting Properties of YBCO Film Prepared by Spray Pyrolysis Method
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질산염 전구체 원료로 분무 열분해 방법에 의한 YBCO 박막 증착
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Effect of Uniaxial Pressure on Superconducting Properties of YBCO Thick Films
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YBCO 초전도체 증착을 위한 [001]-축이 기울어진 Ni 기판의 제작
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Deposition of Epitaxial YBCO Films on $LaAlO_3(100)$ Substrate by Spray Pyrolysis Method
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MOCVD 법에 의해 제조된 YBCO 초전도 박막의 물성에 대한 완충층 템플릿의 영향
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초전도 YBCO 필터의 중심 주파수 변화 연구
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