By Topic

Design and performance of a highly sensitive magnetoresistive sensor using high Tc YBa/sub 2/Cu/sub 3/O/sub 7-x/ ceramic superconducting film

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

7 Author(s)
Nojima, H. ; Functional Devices Labs., Sharp Corp., Chiba, Japan ; Takao, K. ; Yamashita, T. ; Fujimoto, M.
more authors

This paper reports on the design and development of a magnetoresistive sensor using a high Tc ceramic superconducting film. We have fabricated a meander-shape element by the selective growth of an electrophoretic Ag/sub 2/O-doped YBa/sub 2/Cu/sub 3/O/sub 7-x/ film. The doping amount of Ag/sub 2/O has been optimized to improve the magnetic field sensitivity and the element has been coupled to a Permalloy to enhance the sensitivity. A magnetic field resolution of 8.5 pT Hz/sup -1/2/ at 100 Hz at 77 K has been obtained with no input coil. To demonstrate this high sensitivity, we have been successful in measuring a human magnetocardiogram.<>

Published in:

Electron Devices Meeting, 1992. IEDM '92. Technical Digest., International

Date of Conference:

13-16 Dec. 1992