Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 39, Issue 5, Pages 3322-3324Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2003.816764
Keywords
GMR; linear sensor; magnetics; spin valve
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A spin-valve configuration with double free layers has been used in design and fabrication of a linear sensing resistor with excellent performance. In this novel structure, one free layer is the sensing-layer which contributes to the GMR while another layer is the interacting layer which does not contribute to the GMR but improves the sensor performance. This approach not only c. an effectively reduce the hysteresis but also make it easy to optimize the bias point of the sensor.
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