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Double-side fabrication process and millimeter wave response of intrinsic Josephson junctions
  • 时间：0
  • 分类：O451[理学—无线电物理;理学—物理]
  • 作者机构：[1]Research Institute of Superconductor Electronics, Nanjing University, Nanjing 210093, China
  • 相关基金：Supported by the National Natural Science Foundation of China （Grant Nos. 60571007, 10778602, 60721063, 60610050）, National Basic Research Program of China （Grant No. 2006CB601006） and the Fund of Jiangsu Province （Grant No. BK2007713）
  • 相关项目：高温超导隧道结和结阵的工艺、物性及其应用的基础研究
关键词： 电磁波传播, 本征Josephson结, 双倍边, 制作过程, 毫米波, intrinsic Josephson junctions, double-side fabrication process, Shapiro step, phase-locking
中文摘要：

我们采用了双方面制造过程基于双性人 2 Sr 2 CaCu2O 8+x (BSCCO) 单身者晶体。用水晶劈开和双方面氩离子 milling，我们成功地与单个水晶片的厚度制作了很一致的 IJJ 不到 200 nm。用伪光的系统，到毫米波浪放射的 IJJ 的反应被学习。与对 a-b 飞机垂直的应用磁场，我们观察到在毫米下面的 Shapiro 步挥动放射，和每个连接的 Josephson 摆动是锁阶段的。

英文摘要：

We adopted double-side fabrication process to prepare intrinsic Josephson junctions （IJJs） based on Bi2Sr2CaCu2Os＋x （BSCCO） single crystals. Using crystal cleavage and double-side argon ion milling, we have successfully fabricated very uniform IJJs with the thickness of single crystal slice less than 200 nm. Using quasi-optical system, the response of the IJJs to millimeter wave radiation was studied. With applied magnetic field perpendicular to a-b plane, we have observed Shapiro steps under millimeter wave radiation, and the Josephson oscillation of each junction was phase-locking.

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