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Hyperfine Interactions

, Volume 219, Issue 1–3, pp 13–17 | Cite as

Mössbauer study of gamma‴-iron nitride film

  • Yasuhiro Yamada
  • Ryo Usui
  • Yoshio Kobayashi
Article

Abstract

A single-phase γ‴-FeN film with the rock-salt structure was produced by pulsed laser deposition of Fe onto an Al substrate in a N2 atmosphere. Its Mössbauer spectra and powder X-ray diffraction patterns were measured. γ‴-FeN was found to be antiferromagnetic exhibiting a hyperfine magnetic field of 30 T at a temperature of 5 K. It was found to have a Néel temperature of 220 K. A minor component with a higher hyperfine magnetic field of 49 T at 5 K was also observed. It is thought to originate from defects in γ‴-FeN.

Keywords

Iron nitride film γ‴-FeN Pulsed laser deposition Mössbauer spectroscopy Néel temperature 

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  1. 1.Tokyo University of ScienceTokyoJapan
  2. 2.The University of Electro-CommunicationsTokyoJapan
  3. 3.RIKENSaitameJapan

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