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小木虫论坛-学术科研互动平台 » 材料区 » 功能材料 » 基础研究 » 【求助】CoFeB的磁致伸缩系数
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deadseazhu

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1楼 2010-01-15 16:45:19
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jinlin2009

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你测试一下，不行吗？
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3楼2010-05-18 11:22:29
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yangcb025

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小木虫:)(金币+1,VIP+0):3q 1-16 14:07
具体的不知道，好像CO基非晶合金材料的磁致伸缩系数接近零吧
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2楼2010-01-15 22:05:48
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yangdezheng

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deadseazhu(金币+10):谢谢了 2010-05-27 19:00:01
正的，具体可以见


J. Appl. Phys. 97, 10C906 (2005); doi:10.1063/1.1848355 (3 pages)
Magnetostriction effect of amorphous CoFeB thin films and application in spin-dependent tunnel junctions
Dexin Wang,
Cathy Nordman,
Zhenghong Qian,
James M. Daughton,
and John Myers

NVE Corporation, 11409 Valley View Road, Eden Prairie, Minnesota 55344 Map This map

(published online 5 May 2005)
Full Text: Read Online (HTML) |Download PDF (226 KB) | View Cart

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CoFeB thin films and magnetic tunnel junctions using them are studied for magnetostriction effect. The single-layer films were sputter deposited with excellent soft magnetic properties including a high saturation magnetization of 1.5 T, a near-zero hard axis coercivity, a low easy axis coercivity of 2.0 Oe, and an induced magnetic anisotropy field of 32 Oe. The saturation magnetostriction constant is measured to be 31 ppm. Magnetic tunnel junctions (MTJs) were fabricated and tested for potential strain gauge applications. The gauge factor for the magnetostrictive MTJs, a measure of strain sensitivity, is many times of the best piezoresistive devices.
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4楼2010-05-18 18:04:59
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天马行空123

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引用回帖:
2楼: Originally posted by yangcb025 at 2010-01-15 22:05:48:
具体的不知道，好像CO基非晶合金材料的磁致伸缩系数接近零吧

你好，问您一下，您是做铽镝铁磁致伸缩材料的吗？有个问难题请教您
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5楼2011-09-06 00:40:57
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