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Induced ferromagnetism and anisotropy of Pt layers in Fe/Pt (001) multilayers

Authors
  • W J Jr, Antel
  • M M, Schwickert
  • Tao, Lin
  • W L, O Brien
  • Gerry Harp
Type
Published Article
Journal
Physical Review B
Publisher
American Physical Society
Publication Date
Nov 01, 1999
Volume
60
Issue
18
Source
SETI Institute
License
Unknown

Abstract

The structural and magnetic properties of sputter-deposited epitaxial Pt t Pt/F e 7.5 Å (001) multilayers (t Pt= 0–15 Å) are investigated using x-ray diffraction, Kerr magnetometry, and x-ray magnetic circular dichroism (XMCD). X-ray diffraction shows that there is a crystalline phase change from bct to fct at a Pt thickness of≈ 4 Å. The Fe XMCD is enhanced by≈ 10% over its bulk value for Pt thicknesses from 1–4 Å (bct region), and depressed relative to the bulk by 10–20% after transition to the fct phase. The Pt layers ...

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