Magnetic linear dichroism in photoemission from Fe on Cu84Al16(100) and Cu3Au(100)

被引：4

作者：

Macedo, WAA ^{[1
]}

Sirotti, F

Schatz, A

Guarisco, D

Panaccione, G

Rossi, G

机构：

[1] Ctr Desenvolvimento Tecnol Nucl, Lab Fis Applicada, Belo Horizonte, MG, Brazil

[2] CEA, MESR, CNRS, Utilisat Rayonnement Electromagnet Lab, Orsay, France

[3] Univ Duisburg Gesamthsch, Lab Angew Phys, D-4100 Duisburg, Germany

[4] ETH Zurich, Festkorperphys Lab, Zurich, Switzerland

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1998年 / 177卷

关键词：

surface magnetism; dichroism; -; photoemission; dichroism - linear magnetic; thin films - epitaxial;

D O I：

10.1016/S0304-8853(97)00632-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have investigated the magnetic properties of monolayers of FCC Fe grown epitaxialy on Cu84Al16(1 0 0) and on ordered Cu3Au(1 0 0), substrates that present lattice parameters 1% and 3.7% bigger than pure Cu. The magnetic measurements were carried out by linear magnetic dichroism in the angular distribution of photoelectrons (LMDAD), using linearly polarized synchrotron radiation. The LMDAD measurements of the Fe 3p core levels show that starting from 2.5 monolayers (ML) for Fe/Cu84Al16(1 0 0) and from 4 ML for Fe/Cu3Au(1 0 0) these FCC Fe films present in-plane ferromagnetism. The 9% increase of the magnetic splitting of the Fe 3p LMDAD peak-to-peak asymmetry measured for Fe/Cu3Au(1 0 0) suggests an increase of the Fe magnetic moment with increasing volume of the high-spin FCC Fe films. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：1262 / 1264

页数：3

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