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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2007.1
- 수록면
- 23 - 26 (4page)
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The influence of water partial pressure in Metal-organic Deposition (MOD) method was investigated on the texture and the morphology of $YBa_2Cu_3O_{7-x}$ (YBCO) films grown on the buffered metal tapes. The water partial pressure was varied from 4.2% up to 10.0% with the other process variables, such as annealing temperature and oxygen partial pressure, kept constant. In this work, the fluorine-free Y & Cu precursor solution added with Sm was synthesized and coated by the continuous slot-die coating & calcination step. The next annealing step of the YBCO films was done by the reel-to-reel method with the gas flowed vertically down. From the x-ray diffraction analysis, the un-reacted phase like $BaF_2$ peak was found at the water partial pressure of 4.2%, but $BaF_2$ peak intensity is much reduced as the water partial pressure is increased. However, the higher water partial pressure of about 10% in this experiment leads to the poor crystallinity of YBCO films. The morphologies of the YBCO films were not different from each other when the water partial pressure was varied in this work. The maximum critical current density of 3.8MA/$cm^2$ was obtained at the water partial pressure of 6.2% with the annealing temperature of 780$^{\circ}C$ and oxygen partial pressure of 500ppm.
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Annealing Time Dependence of MOD-YBCO Films using Low Total Pressure by Reel-to-reel Method
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MOD 공정에 의해 제조된 YBCO 박막의 압력 의존성
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Sub-atmospheric Pressure Annealing of YBCO Films using F-free Y & Cu Precursor Solution
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연속 슬롯-다이 코팅 및 하소공정을 이용한 MOD-YBCO 초전도 선재 제조
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Slot-die Coating & Calcination Step of YBCO Precursor Films in Metal Organic Deposition Method
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Effect of Lowering the Oxygen Partial Pressure on a $J_c$ Enhancement of Ce-doped YBCO Films Prepared by MOCVD
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Oxide precursor-based MOD processing of YBCO thin films
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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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MOD-TFA 공정으로 YBCO 박막제조 시 열처리 온도와 용매의 영향
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F-free 구리 전구용액을 이용한 YBCO 박막 제조
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분무 열분해 CVD법으로 이동 중인 LaAlO_3(100) 단결정 위에 증착시킨 YBCO 박막의 특성
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Fabrication of $YBa_2Cu_3O_{7-x}$(Y123) on the Cu Substrates
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Fabrication of YBCO Films on Metal Tapes By the TFA-MOD Process
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MOD 공정으로 제조된 고임계전류 YBCO 후막
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2008 .01
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화학적으로 제어된 전구체용액을 사용하여 MOD법으로 제조된 YBCO 박막
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