Solid measurement of thermal expansion coefficient based on GMR Sensor

KANG Wei-fang

doi:10.13873/j.1000-97872009.06.037

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Solid measurement of thermal expansion coefficient based on GMR Sensor

更新时间：2025-09-11

- Solid measurement of thermal expansion coefficient based on GMR Sensor
- Vol. 28, Issue 6, Pages: 107-109(2009)
- 作者机构：
  
  东北电力大学理学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872009.06.037
  CLC： TP274
- Published：2009
- 稿件说明：
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[1]康伟芳.基于巨磁电阻位移传感器的固体热胀系数测量[J].传感器与微系统,2009,28(06):107-109.

KANG Wei-fang. Solid measurement of thermal expansion coefficient based on GMR Sensor[J]. 2009, 28(6): 107-109.
[1]康伟芳.基于巨磁电阻位移传感器的固体热胀系数测量[J].传感器与微系统,2009,28(06):107-109. DOI： 10.13873/j.1000-97872009.06.037.

KANG Wei-fang. Solid measurement of thermal expansion coefficient based on GMR Sensor[J]. 2009, 28(6): 107-109. DOI： 10.13873/j.1000-97872009.06.037.

摘要

介绍磁性纳米多层膜中的自旋极化输运和巨磁电阻效应

利用巨磁电阻传感器和小磁钢设计一种高灵敏度位移传感器

并精确测量金属的热膨胀系数

测量金属热膨胀系数不确定度一般优于3%.

Abstract

The spin-polarized transport and giant magnetoresistance in magnetic nanomultilayers are introduced

a high-sensistivity sensor is designed by GMR devices and small magnet

and thermal expansion coefficient of metal is measured accuratdy

metal uncertainty of measuring coefficient of thermal expansion is generally less than 3 %.

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Keywords

references

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自旋输运和巨磁电阻——自旋电子学的物理基础之一 [J]. 邢定钰. 物理 . 2005(05)

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