Magnetoresistive sensors with perpendicular magnetic anisotropy

Yunfei Ding; Jack H. Judy; Jian Ping Wang

doi:10.1063/1.1851712

Magnetoresistive sensors with perpendicular magnetic anisotropy

Yunfei Ding, Jack H. Judy, Jian Ping Wang

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

A magnetoresistive (MR) read sensor design for magnetic recording has been proposed in an attempt to solve the magnetization distribution and thermal stability problems of nanometer-scale read sensors. In this design, the free layer has a perpendicular-to-plane easy axis and the reference layer has an in-plane easy axis. The giant-magnetoresistive film with this structure is demonstrated in which the free layer is a [CoFePt]n multilayer. The structure of the [CoFePt]n multilayer has to be optimized so that the magnetic properties of the free layer can meet the requirements of a MR read head.

Original language	English (US)
Article number	10N704
Journal	Journal of Applied Physics
Volume	97
Issue number	10
DOIs	https://doi.org/10.1063/1.1851712
State	Published - May 15 2005

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Magnetoresistive sensors with perpendicular magnetic anisotropy

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