Hysteretic Current-Voltage Characteristics for a-Axis Oriented Grain in Y_1Ba_2Cu_3O_<7-δ> Films
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概要
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We observed a hysteretic current-voltage (I-V) characteristic on lateral type intrinsic Josephson junction using Y_1Ba_2Cu_3O_<7-δ> films. An a-axis oriented needle-like grain surrounded by c-axis oriented grains is used for the junctions. The junctions using as-grown films show resistively shunted junction (RSJ) type I-V characteristics. After appropriate annealing in pure Ar-gas, this junction property changes to hysteretic I-V characteristics with several voltage jumps from no hysteresis. It is explained that conductivity of the CuO chain decreases by the annealing.
- 社団法人応用物理学会の論文
- 1997-12-15
著者
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Ishimaru Yoshihiro
Superconductivity Research Laboratory International Superconductivity Technology Center
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Ishimaru Yoshihiro
Superconductivity Research Laboratory International Superconductivity Technology Center:(present) Fu
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Enomoto Youichi
Superconductivity Research Laboratory International Superconductivity Technology Center
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