Properties of DC SQUIDs Made from YBCO and TBCCO Films

Chin. Phys. Lett.

1992, Vol. 9

Issue (2): 105-108 DOI:

Original Articles

Properties of DC SQUIDs Made from YBCO and TBCCO Films

CHEN Yingfei;CHEN Lie;TAO Hongjie;LI Jingdong, WU Peijun;YANG Qiansheng;SHAO Kai*

Institute of Physics, Academia Sinica, Beijing 100080 *also Nanjing Electronic Devices Institute, Nanjing 210000

Cite this article:

CHEN Yingfei, CHEN Lie, TAO Hongjie et al 1992 Chin. Phys. Lett. 9 105-108

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Abstract Double-microbridge dc superconducting quant um interference devices(SQUIDs) have been fabricated from the postannealed Y₁Ba₂Cu₃O_y and T1₂Ba₂Ca₂Cu₃O_y, thin films by chemical etching and ion milling patterning technique. The applied magnetic field dependences of the voltage of the YBCO and TBCCO SQUIDS have been studied at temperature ranging from 4.2 to 23K and at 77K. The largest output voltage of the devices were 3.4,μV/Ф₀ (at 5 K ) for YBCO and 60μV/Ф₀(at 77K) for TBCCO. The properties of the output of these devices have been discussed.

Keywords: 74.90.+n

Published: 01 February 1992

PACS:

74.90.+n

(Other topics in superconductivity)

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URL:

https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1992/V9/I2/0105

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	CHEN Yingfei
	CHEN Lie
	TAO Hongjie
	LI Jingdong
	WU Peijun
	YANG Qiansheng
	SHAO Kai

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