Modification of YBa2Cu3O27-δ Thin Film Using Atomic Force Microscope
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Abstract
A YBa2Cu3O27-δ thin film is modified by a probe electric field of an atomic force microscope to form a ridge with the width of only a grain cell. The modification varies with operation parameters of the bias voltage, the moving velocity of probe and the ambient humidity. Energy dispersive spectroscopy analysis shows only oxygen deficient in the modified YBCO thin film. As a result, the suppressed superconductivity was found in the junction crossed the ridge.
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YOU Li-Xing, YIN Xiao-Bo, FENG Yi-Jun, YANG Sen-Zu, KANG Lin, WANG Mu, WU Pei-Heng. Modification of YBa2Cu3O27-δ Thin Film Using Atomic Force Microscope[J]. Chin. Phys. Lett., 2002, 19(6): 854-856.
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YOU Li-Xing, YIN Xiao-Bo, FENG Yi-Jun, YANG Sen-Zu, KANG Lin, WANG Mu, WU Pei-Heng. Modification of YBa2Cu3O27-δ Thin Film Using Atomic Force Microscope[J]. Chin. Phys. Lett., 2002, 19(6): 854-856.
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YOU Li-Xing, YIN Xiao-Bo, FENG Yi-Jun, YANG Sen-Zu, KANG Lin, WANG Mu, WU Pei-Heng. Modification of YBa2Cu3O27-δ Thin Film Using Atomic Force Microscope[J]. Chin. Phys. Lett., 2002, 19(6): 854-856.
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YOU Li-Xing, YIN Xiao-Bo, FENG Yi-Jun, YANG Sen-Zu, KANG Lin, WANG Mu, WU Pei-Heng. Modification of YBa2Cu3O27-δ Thin Film Using Atomic Force Microscope[J]. Chin. Phys. Lett., 2002, 19(6): 854-856.
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