| 铁磁体/有机体/铁磁体三明治结构的隧穿磁电阻 |
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| 引用本文： | 陈尚荣,徐明,刘杰.铁磁体/有机体/铁磁体三明治结构的隧穿磁电阻[J].四川师范大学学报(自然科学版),2009,32(4). |
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| 作者姓名： | 陈尚荣 徐明 刘杰 |
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| 作者单位： | 四川师范大学,物理与电子工程学院·固体物理研究所,四川,成都,610066 |
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| 基金项目： | 贵州省科技厅应用基础研究基金，四川省教育厅自然科学重点基金 |
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| 摘 要： | 对铁磁体/有机体/铁磁体三明治结构的隧穿磁电阻进行了研究.考虑有机层对自旋的过滤作用,用Slonczewski自由电子理论模型计算了不同的隧穿势垒下在高自旋过滤因子和低自旋过滤因子两种情况隧穿磁电阻随有机层厚度的变化.计算结果供设计新的有机自旋电子器件参考.
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| 关 键 词： | 磁性隧道结 铁磁层 有机体 隧穿磁电阻 |
Study on Tunneling Magnetic Resistance of the Ferromagnetic/Organic Polymer/Ferromagnetic Sandwich Structure |
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| CHEN Shang-rong,XU Ming,LIU Jie.Study on Tunneling Magnetic Resistance of the Ferromagnetic/Organic Polymer/Ferromagnetic Sandwich Structure[J].Journal of Sichuan Normal University(Natural Science),2009,32(4). |
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| Authors: | CHEN Shang-rong XU Ming LIU Jie |
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| Institution: | Institute of Solid State Physics;College of Physics and Electronic Engineering;Sichuan Normal University;Chengdu 610066;Sichuan |
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| Abstract: | Based on the ferromagnetic/organic polymer/ferromagnetic sandwich structure,considering the filter function of the organic layer for the spin,this paper calculated the tunneling magnetic resistance(TMR) of the sandwich structure with the variation of the thickness of organic layer in the case of higher and lower spin filter factors by using the free electron model of Slonczewski.The calculated results will be possibly helpful in designing the new organic spinning electron device. |
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