| 工作在液氮温度的一种约瑟夫逊器件 |
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| 引用本文： | 范长鑫,孙林,缪柏财,余良凯,刘俊.工作在液氮温度的一种约瑟夫逊器件[J].复旦学报(自然科学版),1988(3). |
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| 作者姓名： | 范长鑫 孙林 缪柏财 余良凯 刘俊 |
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| 作者单位： | 复旦大学物理学系
(范长鑫，孙林，缪柏财，余良凯)，复旦大学物理学系(刘俊) |
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| 摘 要： | 用Y_1Ba_2Cu_3O_(7-8)块状材料,制作了外观为“大桥”形式的约,瑟夫逊器件。观察了液氮温度为77K时的量子衍射图形和交流约瑟夫逊效应,由量子衍射图形推测这种器件的类型不属微桥结。
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| 关 键 词： | 约瑟夫逊结 约瑟夫逊效应 高温超导体。 |
A JOSEPHSON DEVISE OPERATING AT LIQUID NITROGEN TEMPERATURE |
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| Fan Changxin,Sun Lin,Miao Bocai,Yu Liangkai,Liu Jun,.A JOSEPHSON DEVISE OPERATING AT LIQUID NITROGEN TEMPERATURE[J].Journal of Fudan University(Natural Science),1988(3). |
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| Authors: | Fan Changxin Sun Lin Miao Bocai Yu Liangkai Liu Jun |
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| Institution: | Department of Physics |
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| Abstract: | Looking like large bridge in appearance, a Josephson device have been made ofbulk Y-Ba-Cu-O material. The magnetic field dependence of the critical current pat-ten and ac Josephson effect have been observed at 77K. From the magnetic fielddependence of the critical current patten, One may infer that this junction is not amicro-bridge essentially. |
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| Keywords: | Josephson junction Josephson effect high T_(?) superconductor |
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