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Magnetic nanostructures
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DOI：10.1080/000187398243519.png)
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Abstract
En 中文
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.
Keywords:
QUANTUM-WELL STATES
SCANNING-TUNNELING-MICROSCOPY
ULTRATHIN FE FILMS
BY-LAYER GROWTH
ANGLE-RESOLVED PHOTOEMISSION
MOLECULAR-BEAM EPITAXY
PERPENDICULAR GIANT MAGNETORESISTANCE
OSCILLATORY EXCHANGE INTERACTION
UNOCCUPIED ELECTRONIC STATES
MAGNETOOPTICAL KERR ROTATION
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