TY - JOUR
T1 - Spin polarized tunneling in ferromagnet/insulator/ferromagnet junctions
AU - Miyazaki, Terunobu
AU - Tezuka, Nobuki
N1 - Funding Information:
This work was partly supported by a Sasakawa Scientific Research Grant from the Japan Science Society and Asahi-garasu foundation.
PY - 1995/12
Y1 - 1995/12
N2 - Experimental data and theoretical explanation reported for spin polarized tunneling in ferromagnet/insulator/ferromagnet are reviewed. The magnetoresistance (MR) ratio due to the spin polarized tunneling is relatively smaller value than that of giant magnetoresistance in artificial superlattices. However, recent results reported by us are an order of magnitude larger than those reported in the past. We demonstrate that the magnetoresistance ratio is roughly proportional to the product of spin polarizations of both ferromagnets. The dependence of MR ratio, saturation resistance and conductance on temperature are also discussed.
AB - Experimental data and theoretical explanation reported for spin polarized tunneling in ferromagnet/insulator/ferromagnet are reviewed. The magnetoresistance (MR) ratio due to the spin polarized tunneling is relatively smaller value than that of giant magnetoresistance in artificial superlattices. However, recent results reported by us are an order of magnitude larger than those reported in the past. We demonstrate that the magnetoresistance ratio is roughly proportional to the product of spin polarizations of both ferromagnets. The dependence of MR ratio, saturation resistance and conductance on temperature are also discussed.
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U2 - 10.1016/0304-8853(95)00563-3
DO - 10.1016/0304-8853(95)00563-3
M3 - Article
AN - SCOPUS:0029513640
SN - 0304-8853
VL - 151
SP - 403
EP - 410
JO - Journal of Magnetism and Magnetic Materials
JF - Journal of Magnetism and Magnetic Materials
IS - 3
ER -