Contactless measurement of giant magnetoresistance in thin films by infrared reflection

被引:18
作者
Camplin, JP [1 ]
Thompson, SM
Loraine, DR
Pugh, DI
Collingwood, JF
McCash, EM
Horn, AB
机构
[1] Univ York, Dept Phys, York Y010 5DD, N Yorkshire, England
[2] Univ York, Dept Chem, York Y010 5DD, N Yorkshire, England
关键词
D O I
10.1063/1.373178
中图分类号
O59 [应用物理学];
学科分类号
摘要
The magnetorefractive effect (MRE) has been demonstrated in reflection for giant magnetoresistive Co30Ag70/Si(100) granular films, 400 and 1000 Angstrom thick. Measurements of infrared radiation in the 2-14 mu m range indicate a sensitivity to polarization of the incident light and an enhanced response at oblique angles of incidence. Direct correlation with dc magnetoresistance measurements has been demonstrated but computer simulations show that current theory is unable to satisfactorily model experimental observation. (C) 2000 American Institute of Physics. [S0021-8979(00)57808-6].
引用
收藏
页码:4846 / 4848
页数:3
相关论文
共 6 条
[1]  
Edwards D.F., 1985, Handbook of optical constants of solids
[2]   Contactless measurement of giant magnetoresistance in CoAg granular films using infrared transmission spectroscopy [J].
Gester, M ;
Schlapka, A ;
Pickford, RA ;
Thompson, SM ;
Camplin, JP ;
Eve, JK ;
McCash, EM .
JOURNAL OF APPLIED PHYSICS, 1999, 85 (08) :5045-5047
[3]  
JACQUET JC, 1995, MAGNETIC ULTRATHIN F
[4]  
Sokolov A., 1967, Optical Properties of Metals
[5]   Infrared spectra of giant magnetoresistance Fe/Cr/Fe trilayers [J].
Uran, S ;
Grimsditch, M ;
Fullerton, EE ;
Bader, SD .
PHYSICAL REVIEW B, 1998, 57 (05) :2705-2708
[6]   THEORY OF GIANT MAGNETORESISTANCE IN MAGNETIC GRANULAR FILMS [J].
ZHANG, SF .
APPLIED PHYSICS LETTERS, 1992, 61 (15) :1855-1857