Formation Mechanism and High Tc Superconductivity of YBa2Cu3O7-δ Thin Film by CSD Method

Abstract

Abstract: High Tc superconduction YBa₂Cu₃O_7-δ thin film with zero resistivity temperature higher than₈₅ Kand transition width of 2 Kand thickness of 5 μm,on a substrate of crystal cubic ZrO₂, was obtained by using Chemical Spray Deposition (CSD) process.XRD, XPSand SEMetc.were employed to investigate the crystallographic structure, electron structure and micro-morphology of films made under different conditions.The formation mechanism of YBa₂Cu₃O_7-δ, thin film and relation with superconductivity are discussed.

Key words: Chemical spray deposition, Thin film, High Tc superconductor

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Peng Dingkun, Wang Xiandong, Meng Guangyao, Fu Peizhen, Wang Jun, Zhang Yuheng. Formation Mechanism and High Tc Superconductivity of YBa₂Cu₃O_7-δ Thin Film by CSD Method[J]. Chem. J. Chinese Universities, 1989, 10(7): 687.

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Formation Mechanism and High Tc Superconductivity of YBa₂Cu₃O_7-δ Thin Film by CSD Method

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