Voltage modulation of high-Tc SQUIDs with step-edge junctions

被引：1
|
作者：
Jeng, JT [1 ]
Liu, YC
Yang, SY
Horng, HE
Yang, HC
Sung, HH
机构：
[1] Natl Taiwan Normal Univ, Dept Phys, Taipei 11623, Taiwan
[2] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan
[3] Da Yeh Univ, Dept Elect Engn, Chang Hwa 515, Taiwan
来源：
PHYSICA C | 2000年 / 341卷
关键词：
*Supported by the National Science Council of R.O.C under grant No. NSC-89-2112-M-003-012 and No. NSC-89-2112-M-()02-029;
D O I：
10.1016/S0921-4534(00)01379-4
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We studied the V-I characteristics and the voltage modulation of washer-type step-edge YBa(2)C(3)uO(y) de SQUIDs. It was found that the banks of the SQUID were composed of two junctions in series. The V-I curve can be fitted to the RSJ model with a sinusoidal current phase relation for the first grain-boundary junction while the second junction show a non-sinusoidal current phase relation. The V-Phi, curves of SQUIDs can be characterized by the parameters of the first junctions if the SQUID is biased at I similar to I-c1 where I-c1 is the critical current of the first junction. The implications of the data are discussed.
引用
收藏
页码：2701 / 2702
页数：2
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