Effect of ferromagnetism on AB oscillations in a normal-metal ring

被引：6

作者：

Sekiguchi, Koji ^{[1
]}

Yamaguchi, Akinobu ^{[1
]}

Miyajima, Hideki ^{[1
]}

Hirohata, Atsufumi ^{[2
]}

机构：

[1] Keio Univ, Dept Phys, Yokohama, Kanagawa 2238522, Japan

[2] Univ York, Dept Elect, York YO10 5DD, N Yorkshire, England

来源：

PHYSICAL REVIEW B | 2008年 / 77卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.77.140401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Quantum phase modulation is achieved in a metallic nanoring with a FeNi/Cu/FeNi (ferromagnet/normal-metal/ferromagnet) layer. Both frequency and amplitude of Aharonov-Bohm oscillation are found to be modified with respect to the magnetization configurations, indicating that the phase modulation originates from the spin-orbit scattering induced by the magnetization of the ferromagnets. Such phase modulation is "crossover" phenomena between mesoscopic magnetism and microscopic quantum interference effects, which provides fundamental knowledge upon quantum spin transport.

引用

页数：4

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