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首页> 外文会议>Progress in High-Temperature Superconducting Transistors and Other Devices II >Multilayer superconducting devices made using biepitaxial grain boundary Josephson junctions in YBa2Cu3O7
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Multilayer superconducting devices made using biepitaxial grain boundary Josephson junctions in YBa2Cu3O7

机译：使用YBa2Cu3O7中双轴晶界约瑟夫森结制作的多层超导器件

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Abstract: We will report advances in superconducting devices and circuits made using bi-epitaxial grain boundary Josephson junctions in YBa$-2$/Cu$-3$/O$-7$/. These bi-epitaxial grain boundary junctions are created at predetermined locations by controlling the in-plane epitaxy of YBa$-2$/Cu$-3$/O$-7$/ with a seed layer and a buffer layer on a base layer. SQUIDs made from these junctions show modulation up to 88 K and their white noise level is at the theoretical limit. Complete magnetometers coupled with multi-turn flux transformers made using multi-layer technology have magnetic field sensitivity at 77 K sufficient to be useful for many applications. Our recent success in fabricating integrated SQUIDs by combining the SQUID and multi-turn flux transformer on a single substrate is described. Low level integrated circuits with tens of bi-epitaxial grain boundary Josephson junctions have been fabricated. The current status of these circuits is reported.!19
机译：摘要：我们将报告在YBa $ -2 $ / Cu $ -3 $ / O $ -7 $ /中使用双外延晶界约瑟夫森结制造的超导器件和电路的进展。通过控制YBa $ -2 $ / Cu $ -3 $ / O $ -7 $ /的面内外延并在基层上形成种子层和缓冲层，可以在预定位置创建这些双外延晶界结。由这些结制成的SQUID表现出高达88 K的调制，并且其白噪声水平处于理论极限。完整的磁力计与使用多层技术制成的多匝磁通互感器相结合，其磁场灵敏度为77 K，足以用于许多应用。描述了我们最近通过在单个基板上组合SQUID和多匝磁通变压器来制造集成SQUID的成功案例。已经制造了具有数十个双外延晶界约瑟夫森结的低级集成电路。报告这些电路的当前状态。！19

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