| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Micromagnetic Simulation of Transfer Curve in Giant-Magnetoresistive Head |
| SHE Sheng-Xian1, WEI Dan1, ZHENG Yang2, QU Bing-Jun2, REN Tian-Ling2, LIU Xi3, WEI Fu-Lin3 |
| 1Lab of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing 1000842Institute of Microelectronics, Tsinghua University, Beijing 1000843Institute of Magnetic Materials, Lanzhou University, Lanzhou 730000 |
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| Cite this article: |
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SHE Sheng-Xian, WEI Dan, ZHENG Yang et al 2009 Chin. Phys. Lett. 26 127503 |
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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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Received: 22 October 2009
Published: 27 November 2009
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| PACS: |
75.70.Pa
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75.60.Ej
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(Magnetization curves, hysteresis, Barkhausen and related effects)
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75.70.-i
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(Magnetic properties of thin films, surfaces, and interfaces)
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[1] Baibich M N, Broto J M, Fert A et al 1988 Phys. Rev.Lett. 61 2472
[2] Hiroka O, Masaki S, and Kazuetsu Y 2005 IEEE Trans.Magn. 41 3088
[3] Mark N 2002 IEEE Trans. Magn. 38 2456
[4] Akihiko T, Tomoko T, Yuji S and Yoichiro T 2004 IEEETrans. Magn. 40 2582
[5] Lu Z Q and Pan G 2007 Magnetic Nanostructures PartI$\!$V p 187 |
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