Magnetic Properties of FeCu and FeAg Sputtered Films

K. I. Arai, Y. Hayashi, M. Yamaguchi

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The magnetic properties and the crystal structure of FeCu and FeAg thin films prepared by an rf sputtering technique are examined. Solid solutions of FeCu and FeAg systems can be obtained by the sputtering method. The coercive force of the as‐deposited Fe‐18.1 wt% Cu film is as high as 2400 A/m. However it decreases to 400 A/m and the initial permeability increases up to 600 by annealing at 623 K. In this case the lattice constant becomes identical to bulk α‐iron, and internal stress is relaxed. The coercive force of the as‐deposited FeAg film has a low value of 184 A/m at the concentration of Fe 50 wt% Ag. It is thought that the decrease of the grain size causes the low coercive force for the film.

Original languageEnglish
Pages (from-to)313-318
Number of pages6
Journalphysica status solidi (a)
Volume125
Issue number1
DOIs
Publication statusPublished - 1991 May 16

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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