Investigation of Crossfield Effect in AMR Sensors
We measured the effect of crossfield Hx on the output voltage of AMR sensor. This effect can seriously degrade the sensor performance, causing compass errors as high as 1 degree. We show that Hx can significantly affect the magnetization and cause hysteresis when it reaches hundreds of A/m. For lower field region we observe disagreement with the commonly accepted theoretical model.
Keywords: AMR; CROSSFIELD EFFECT; EXPERIMENTAL VERIFICATION; MODEL
Document Type: Research Article
Publication date: 01 June 2009
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