TY - JOUR A2 - Miao, Xiangshui AU - Liu, X. AU - Song, Z. L. AU - Wang, R. AU - Quan, Z. Y. PY - 2016 DA - 2016/11/02 TI - High Field Linear Magnetoresistance Sensors with Perpendicular Anisotropy L10-FePt Reference Layer SP - 8528617 VL - 2016 AB - High field linear magnetoresistance is an important feature for magnetic sensors applied in magnetic levitating train and high field positioning measurements. Here, we investigate linear magnetoresistance in Pt/FePt/ZnO/Fe/Pt multilayer magnetic sensor, where FePt and Fe ferromagnetic layers exhibit out-of-plane and in-plane magnetic anisotropy, respectively. Perpendicular anisotropy L10-FePt reference layer with large coercivity and high squareness ratio was obtained by in situ substrate heating. Linear magnetoresistance is observed in this sensor in a large range between +5 kOe and −5 kOe with the current parallel to the film plane. This L10-FePt based sensor is significant for the expansion of linear range and the simplification of preparation for future high field magnetic sensors. SN - 1687-8108 UR - https://doi.org/10.1155/2016/8528617 DO - 10.1155/2016/8528617 JF - Advances in Condensed Matter Physics PB - Hindawi Publishing Corporation KW - ER -