| 颗粒膜中的巨磁电阻效应 |
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| 引用本文： | 刘冰,李书光.颗粒膜中的巨磁电阻效应[J].青岛大学学报(自然科学版),2002,15(4):66-70,85. |
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| 作者姓名： | 刘冰 李书光 |
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| 作者单位： | 石油大学应用物理系,山东,东营,257061 |
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| 摘 要： | 纳米颗粒构成的颗粒膜具有巨磁电阻效应，其中的相元互不固溶，颗粒膜中的巨磁电阻效应与电子自旋相关散射有关，以界面散射的贡献为最大，并受到颗粒尺寸、体积百分数、退火及温度的影响。由于颗粒膜制备工艺简便，巨磁电阻效应在信息储存技术中有巨大应用前景，颗粒膜中的巨磁电阻效应引起了人们极大的兴趣。
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| 关 键 词： | 纳米材料 颗粒膜 巨磁电阻效应 电子自旋 界面散射 制备工艺 |
| 文章编号： | 1006-1037(2002)04-0066-05 |
GIANT MAGNETORESISTANCE IN GRANULAR FILMS |
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| LIU Bing,LI Shu-guang.GIANT MAGNETORESISTANCE IN GRANULAR FILMS[J].Journal of Qingdao University(Natural Science Edition),2002,15(4):66-70,85. |
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| Authors: | LIU Bing LI Shu-guang |
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| Abstract: | Granular films composed of nanogranulars,in which two components are insoluble,can exhibit the giant magnetoresistive effect(GMR).The effect is relative to spin dependent scattering of electrons.The largest attribution to the effect is the scattering at the interfaces between particles and the matrix.The facts effecting on GMR include the size of particles,annealing temperatures,time and the like.Because of simple preparation of granular films and applied potential of GMR in information storage technology and so on,GMR is of great interest. |
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| Keywords: | nanomaterial granular films giant magnetoresistance |
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