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Spin Valve Ring Sensors for Superparamagnetic Bead Detections

✍ Scribed by Jeong Dae Suh; Sang Don Jung; Myung Ae Chung

Book ID
114653114
Publisher
IEEE
Year
2009
Tongue
English
Weight
577 KB
Volume
45
Category
Article
ISSN
0018-9464

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Spin-valve planar Hall sensor for single
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✍ Tran Quang Hung; Sunjong Oh; Jong-Ryul Jeong; CheolGi Kim πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 583 KB

The planar Hall effect (PHE) sensor with a junction size of 3 m Γ— 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