Magnetic nanostructures

被引:671
作者
Himpsel, FJ
Ortega, JE
Mankey, GJ
Willis, RF
机构
[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA
[2] Univ Basque Country, Dept Fis Aplicada 1, Escuela Arquitectura, E-20009 San Sebastian, Spain
[3] Univ Alabama, Ctr Mat Informat Technol, Tuscaloosa, AL 35487 USA
[4] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
关键词
D O I
10.1080/000187398243519
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Magnetic materials have become controllable on the nanometre scale. Such fine structures exhibit a wide range of fascinating phenomena, such as low-dimensional magnetism, induced magnetization in noble metals, electron interference patterns, oscillatory magnetic coupling and 'giant' magnetoresistance. Magnetic multilayers with nanometre spacings are among the first metallic quantum structures to become incorporated into electronic devices, such as reading heads for hard discs. This article is intended to familiarize the reader with the physics and technology of magnetic canostructures. It starts out with recent progress in nanofabrication, gives a tutorial on the connection between electronic states and magnetic properties, surveys the stale of the art in characterization techniques, explains unique phenomena in two-, one- and zero-dimensional structures, points out applications in magnetic storage technology and considers fundamental limits to storage density. Particular emphasis is placed on the connection between magnetism and the underlying electronic states, such as the spin-split energy bands, s: p versus d states, surface states, and quantum well states.
引用
收藏
页码:511 / 597
页数:87
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