YBCO Josephson Junctions and Striplines for RSFQ Circuits Made by Ion Irradiation

被引：16

作者：

Wolf, Thomas ^{[1
]}

Bergeal, Nicolas ^{[1
]}

Lesueur, Jerome ^{[1
]}

Fourie, Coenrad J. ^{[2
]}

Faini, Giancarlo ^{[3
]}

Ulysse, Christian ^{[3
]}

Febvre, Pascal ^{[4
]}

机构：

[1] Univ Paris 06, CNRS, Ecole Super Phys & Chim Ind, Lab Phys & Etud Mat,Unite Mixte Rech 8213, F-75231 Paris, France

[2] Univ Stellenbosch, ZA-7602 Stellenbosch, South Africa

[3] CNRS, Lab Photon & Nanostruct, Unite Propre Rech 20, F-91460 Marcoussis, France

[4] Univ Savoie, Inst Microelect Electromagnet & Photon, Univ Grenoble 1,Lab Hyperfrequences & Caracterisa, CNRS,Inst Polytech Grenoble,Unite Mixte Rech 5130, F-73376 Le Bourget Du Lac, France

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2013年 / 23卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

High-temperature superconductors; ion irradiation junctions; numerical inductance calculation; stripline inductance; C DC-SQUID; INDUCTANCE; SUPERCONDUCTORS; ELECTRONICS; TECHNOLOGY;

D O I：

10.1109/TASC.2012.2237513

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We have investigated the electrodynamic properties of high-Tc Josephson junctions (JJs) and striplines made by ion irradiation in order to evaluate the potential of such a technology for low-power rapid single flux quantum superconductor digital electronics. The process is briefly presented, together with the JJ characteristics in the context of high-speed electronics. Line inductances of different geometries and at different temperatures have been measured through superconducting quantum interference device (SQUID) modulation. A detailed comparison with 3-D numerical calculations has been made, and a quantitative agreement that shows typical values of 4-8 pH per square without a ground plane, depending on linewidth and the gap to the ground line, has been obtained.

引用

页数：5

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