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Structural characterization of nano-oxide layers in PtMn based specular spin valves

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3 Author(s)
Lifan Chen ; Read Rite Corp., Fremont, CA, USA ; Zhitao Diao ; Yiming Huai

Summary form only given. Specular spin-valves with nano-oxide layers (NOLs) demonstrated large giant-magnetoresistance (GMR) ratio up to 16% and are being used as the sensor layer in the high magnetic recording heads. It was found that the GMR ratio and exchange bias field is very sensitive to nano-oxide layer quality and its process the techniques and conditions. A detailed structural characterization of NOL and the spin-valve structures is very important in order to understand the structure and magnetic correlation in such specular spin-valves. This work presents a systematic structural characterization of NOL and specular spin-valves using low and high-angle X-ray diffraction and high-resolution transmission electron microscopy.

Published in:

Magnetics Conference, 2002. INTERMAG Europe 2002. Digest of Technical Papers. 2002 IEEE International

Date of Conference:

April 28 2002-May 2 2002