MAGNETOOPTICAL KERR SPECTROSCOPY OF A NEW CHEMICALLY ORDERED ALLOY - CO3PT

被引：168

作者：

HARP, GR

WELLER, D

RABEDEAU, TA

FARROW, RFC

TONEY, MF

机构：

[1] IBM Almaden Research Center, San Jose, CA 95120-6099

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.71.2493

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The sensitivity of magneto-optical spectra to alloy chemical ordering is established. This is demonstrated for a new ordered Co3Pt phase, which was synthesized in thin film form using molecular beam epitaxial growth. This compound consists of alternating planes of Co and CoPt atoms with a hexagonal ABAB... layer sequence. The chemical ordering is accompanied by a substantial electronic structure change as reflected in a new peak in magneto-optical spectra at approximately 3.2 eV photon energy.

引用

页码：2493 / 2496

页数：4

共 22 条

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