Micromagnetic Simulation of Transfer Curve in Giant-Magnetoresistive Head |
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| Authors: | SHE Sheng-Xian WEI Dan ZHENG Yang QU Bing-Jun REN Tian-Ling LIU Xi WEI Fu-Lin |
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| Affiliation: | Lab of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084Institute of Microelectronics, Tsinghua University, Beijing 100084Institute of Magnetic Materials, Lanzhou University, Lanzhou 730000 |
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| Abstract: | The transfer curve of the giant-magnetoresistive (GMR) magnetic head represents its most important property in applications, and it is calculated by the micromagnetic modeling of the free layer and the pinned layer in the heart of the GMR head. Affections of the bias hard magnetic layer and the anti-ferromagnetic pinning layer are modeled by effective magnetic fields. The simulated transfer curve agrees with experiment quite well, therefore the values of these effective magnetic fields can be determined by the model. A synthetic antiferromagnetic spin valve structure GMR head is also analyzed for comparison. |
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| Keywords: | 75.70.Pa 75.60.Ej 75.70.-i |
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