ELECTRONIC-STRUCTURE OF ULTRATHIN COBALT FILMS ON W(110)

被引：58

作者：

KNOPPE, H

BAUER, E

机构：

[1] Physikalisches Institut, Technische Universität Clausthal, D-3392 Clausthal-Zellerfeld

来源：

PHYSICAL REVIEW B | 1993年 / 48卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.48.1794

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ultrathin films of cobalt on W(110) are investigated by angle-resolved photoelectron spectroscopy excited with unpolarized and linearly polarized He I radiation. The epitaxial growth of the films is studied by reflection high-energy electron diffraction, x-ray-excited photoelectron diffraction, and Auger electron spectroscopy. The influence of symmetry, packing density, and film thickness on the electronic structure is discussed. The band structure of the quasi-two-dimensional systems is mapped out and compared with full-potential linearized augmented-plane-wave calculations for the pseudomorphic monolayer of Co on W(110) and for the unsupported close-packed monolayer.

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页码：1794 / 1805

页数：12

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