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Magnetic sensors for nanotesla detection using planar Hall effect

โœ Scribed by F Nguyen Van Dau; A Schuhl; J.R Childress; M Sussiau

Book ID
108028383
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
459 KB
Volume
53
Category
Article
ISSN
0924-4247

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The planar Hall effect (PHE) sensor with a junction size of 3 m ร— 3 m for a single micro-bead detection has been fabricated successfully using a typical spin-valve thin film Ta(5)/NiFe(16)/Cu(1.2)/NiFe(2)/IrMn(15)/Ta(5) nm. The PHE sensor exhibits a sensitivity of about 7.2 V Oe -1 in the magnetic f