| 超导量子干涉器件 |
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| 引用本文： | 郑东宁.超导量子干涉器件[J].物理学报,2021(1):164-177. |
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| 作者姓名： | 郑东宁 |
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| 作者单位： | 中国科学院物理研究所;中国科学院大学;松山湖材料实验室 |
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| 基金项目： | 国家重点基础研究发展计划(批准号:2016YFA0300600,2017YFA0304300);中国科学院战略性科技先导专项(批准号:XDB28000000)资助的课题. |
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| 摘 要： | 超导现象是一种宏观量子现象.磁通量子化和约瑟夫森效应是两个最能体现这种宏观量子特性的物理现象.超导量子干涉器件(superconducting quantum interference device,SQUID)是利用这两个特性而形成的超导器件.SQUID器件在磁信号灵敏探测方面具有广泛的应用.本文简要介绍低温超导和高温超导SQUID器件的相关背景和发展现状以及应用领域.
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| 关 键 词： | 超导器件 约瑟夫森效应 超导量子干涉器件 |
Superconducting quantum interference devices |
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| Zheng Dong-Ning.Superconducting quantum interference devices[J].Acta Physica Sinica,2021(1):164-177. |
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| Authors: | Zheng Dong-Ning |
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| Institution: | (Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China;School of Physical Sciences,University of Chinese Academy of Sciences,Beijing 100049,China;Songshan Lake Materials Laboratory,Dongguan 523808,China) |
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| Abstract: | Superconductivity is a macroscopic quantum phenomenon.Flux quantization and the Josephson effect are two physical phenomena which can best reflect the macroscopic quantum properties.Superconducting quantum interference device(SQUID)is one type of superconducting devices which uses these two characteristics.SQUID devices are widely used in the sensitive detection of magnetic signals.This paper briefly introduces the background and recent developments of low temperature superconductor and high temperature superconductor SQUID devices. |
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| Keywords: | superconducting devices Josephson effect superconducting quantum interference device |
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