V2EX anisotropic magnetoresistance

Anisotropic Magnetoresistance

Definition / 定义

各向异性磁阻效应(AMR):指某些材料(常见于铁磁金属)在外加磁场或磁化方向改变时,电阻会随电流方向与磁化方向之间的夹角而变化的一种现象,常用于磁传感与自旋电子器件中。(该术语也可泛指“各向异性磁阻”这一类效应。)

Pronunciation / 发音

/n.a.str.pk mni.to.rzs.tns/

Examples / 例句

Anisotropic magnetoresistance is widely used in magnetic field sensors.
各向异性磁阻效应广泛用于磁场传感器中。

In a ferromagnetic thin film, anisotropic magnetoresistance varies with the angle between the current and the magnetization, helping researchers track how domains rotate.
在铁磁薄膜中,各向异性磁阻效应会随电流方向与磁化方向的夹角而变化,从而帮助研究人员追踪磁畴如何发生旋转。

Etymology / 词源

该短语由三部分构成:anisotropic(各向异性的)来自希腊语构词:*an-*(不、非)+ iso(相同)+ tropos(转向、方式),字面意思是“不是各都一样”;magneto-(磁的)与希腊语中“磁石”相关;resistance(电阻)源自拉丁语 resistere(抵抗、反抗)。合在一起即“电阻对磁化方向呈现方向性变化的现象”。

Related Words / 相关词

Notable Works / 经典文献与著作中的出现

  • William Thomson (Lord Kelvin), “On the Electro-Dynamic Qualities of Metals”(1857):最早报告与AMR相关的现象(常被称为“开尔文磁阻效应”)。
  • T. R. McGuire & R. I. Potter, “Anisotropic Magnetoresistance in Ferromagnetic 3d Alloys”(1975, IEEE Transactions on Magnetics):AMR经典综述式论文之一。
  • B. D. Cullity & C. D. Graham, Introduction to Magnetic Materials(教材):在磁性材料与磁输运章节中讨论AMR。
  • S. Maekawa (ed.), Concepts in Spin Electronics / Spintronics(相关专著与综述集中常系统介绍AMR作为自旋相关输运效应之一)。
About     Help     Advertise     Blog     API     FAQ     Solana     3162 Online   Highest 6679       Select Language
创意工作者们的社区
World is powered by solitude
VERSION: 3.9.8.5 54ms UTC 00:25 PVG 08:25 LAX 17:25 JFK 20:25
Do have faith in what you're doing.
ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86