Sputtered YBCO bicrystal dc-SQUIDS

被引：2
|
作者：
Sarnelli, E
Testa, G
Camerlingo, C
Ruggiero, B
Russo, M
机构：
[1] Istituto di Cibernetica del Consiglio Nazionale delle Ricerche, I-80072 Arco Felice, Napoli
来源：
JOURNAL OF SUPERCONDUCTIVITY | 1996年 / 9卷 / 05期
关键词：
High-T-c superconductors; bicrystal junctions; de-SQUID;
D O I：
10.1007/BF00723523
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An analysis of YBa1Cu3O7-delta bicrystal dc-SQUIDs is reported. The devices have been fabricated by de cylindrical magnetron sputtering from a single target. SQUIDs operating at the liquid nitrogen temperature have been obtained employing high-quality films fabricated insitu exhibiting a critical temperature as high as 89-90 K. Two different geometrical configurations for the loop inductance have been investigated. A good control of the transport parameters of the junctions, together with a reasonable correlation between the calculated inductance and the voltage response to an applied magnetic field, have been achieved. A study of the voltage response vs. the applied magnetic field as a function of both temperature and bias current has been carried out. SQUIDs working at temperatures as high as 87 K have been characterized.
引用
收藏
页码：513 / 517
页数：5
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