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Czechoslovak Journal of Physics

, Volume 55, Issue 7, pp 845–852 | Cite as

CEMS study of stainless steel films deposited by pulsed laser ablation of AISI316

  • K. Nomura
  • Y. Yamada
  • R. Tomita
  • T. Yajima
  • K. Shimizu
  • M. Mashlan
Article

Abstract

Thin stainless steel films deposited on SiO2/Si wafer were prepared by a pulsed laser ablation of austenite stainless steel (AISI316), and characterized by conversion electron Mössbauer spectrometry (CEMS) using a He gas proportional counter. As-deposited films were composed of a magnetic phase. When deposited films were heated in air at various temperatures, the hyperfine field of the magnetic phase increased. Hematite was produced on the surface, and the magnetic orientation changed from parallel to in-plane at random with the increase of heating temperatures. The metallic iron and magnetite were produced at 400°C in dry Ar + 5%H2 atmosphere. When the film was heated in wet Ar + 5%H2 atmosphere at 600°C, maghemite was produced on the surface, and austenite phase was produced in the inner film.

PACS

76.80.+y 

Key words

stainless steel film thin oxide film pulsed laser ablation CEMS 

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Copyright information

© Institute of Physics, Acad. Sci. CR 2005

Authors and Affiliations

  • K. Nomura
    • 1
  • Y. Yamada
    • 2
  • R. Tomita
    • 3
  • T. Yajima
    • 3
  • K. Shimizu
    • 4
  • M. Mashlan
    • 5
  1. 1.Department of Applied Chemistry, Graduate School of EngineeringThe University of TokyoTokyoJapan
  2. 2.Department of ChemistryScience University of TokyoTokyoJapan
  3. 3.Department of Applied Chemistry, Faculty of EngineeringSaitama Institute of EngineeringSaitamaJapan
  4. 4.Chemistry Laboratory, Faculty of EconomicsKeio UniversityYokohamaJapan
  5. 5.Department of Experimental PhysicsPalacky UniversityOlomoucCzech republic

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