SOFT-X-RAY MAGNETIC CIRCULAR-DICHROISM AT THE L2,3 EDGES OF NICKEL

被引：566

作者：

CHEN, CT

SETTE, F

MA, Y

MODESTI, S

机构：

来源：

PHYSICAL REVIEW B | 1990年 / 42卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.42.7262

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic circular dichroism (MCD) has been observed at the L2,3 absorption edges of ferromagnetic nickel by use of circularly-polarized soft-x-ray synchrotron radiation. The MCD intensity ratio between the L2 and L3 edges is found to differ appreciably from that predicted by a simple exchange-split- valence-band model. Fine MCD features, imperceptible in the absorption spectra, are also observed, and a tentative interpretation is given. This work, demonstrating the feasibility of MCD measurements in the soft-x-ray region, provides a new approach to study 3d and 4f ferromagnetic systems with their respective dipole-permitted 2p'3d and 3d'4f transitions. © 1990 The American Physical Society.

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页码：7262 / 7265

页数：4

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