Magnetic dead layers induced by strain at fct Fe/Rh(001) interface

Kei Hayashi, Masahiro Sawada, Hiroshi Yamagami, Akio Kimura, Akito Kakizaki

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We have studied magnetic properties of face-centered-tetragonal (fct) Fe thin films grown at room temperature on the Rh(001) surface. Band structure calculations show that the stable magnetic phase of fct Fe on the Rh(001) surface is ferromagnetic (FM), which agrees with our previous conclusion obtained by angle-resolved photoelectron spectroscopy and spin- and angle-resolved photoelectron spectroscopy (SARPES) of the four monolayers (ML) Fe film [K. Hayashi et al.: Phys. Rev. B 64 (2001) 054417]. This magnetic phase of fct Fe is also confirmed by the SARPES spectra of 3 ML Fe/Rh(001). On the other hand the thickness dependence of the Curie temperature estimated by SARPES and of local magnetic moment by soft X-ray magnetic circular dichroism experiments show that the Fe films below 2 ML are not FM, i.e., they are magnetic dead layers. We conclude that these magnetic dead layers are caused by a large strain at the Fe/Rh(001) interface.

Original languageEnglish
Pages (from-to)2550-2553
Number of pages4
Journaljournal of the physical society of japan
Volume73
Issue number9
DOIs
Publication statusPublished - 2004 Sep 1
Externally publishedYes

Keywords

  • Face-centered-tetragonal Fe thin film
  • Lattice strain
  • Magnetic dead layer
  • Soft X-ray magnetic circular dichroism
  • Spin- and angle-resolved photoelectron spectroscopy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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