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Soft magnetic properties of conetic co-sputtered with aluminum

Conetic (Ni^sub 77^Fe^sub 14^Cu^sub 5^Mo^sub 4^) and conetic co-sputtered with aluminum thin films are prepared and their soft magnetic properties are examined in order to investigate their eligibility for application in the free layer of spin valve-based magnetic sensors. As the aluminum concentrat... Full description

Journal Title: Metals and Materials International May 2014, Vol.20(3), pp.551-554
Main Author: Lim, Jongkoo
Other Authors: Son, Jangyup , Hong, Jongill
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 15989623 ; E-ISSN: 20054149 ; DOI: 10.1007/s12540-014-3024-3
Link: http://search.proquest.com/docview/1524245019/?pq-origsite=primo
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title: Soft magnetic properties of conetic co-sputtered with aluminum
format: Article
creator:
  • Lim, Jongkoo
  • Son, Jangyup
  • Hong, Jongill
subjects:
  • Ferromagnetism -- Magnetic Properties
  • Ferromagnetism -- Analysis
  • Thin Films -- Magnetic Properties
  • Thin Films -- Analysis
  • Anisotropy -- Magnetic Properties
  • Anisotropy -- Analysis
  • Valves -- Magnetic Properties
  • Valves -- Analysis
ispartof: Metals and Materials International, May 2014, Vol.20(3), pp.551-554
description: Conetic (Ni^sub 77^Fe^sub 14^Cu^sub 5^Mo^sub 4^) and conetic co-sputtered with aluminum thin films are prepared and their soft magnetic properties are examined in order to investigate their eligibility for application in the free layer of spin valve-based magnetic sensors. As the aluminum concentration increases, the coercivity and anisotropy field of the film is reduced by more than 60%, which indicates that the soft magnetism is significantly improved. The thermal treatment further enhances the soft magnetic properties. This improvement can be attributed to the enhanced random anisotropy that results from the reduction in the grain size, which is caused by the incorporation of the aluminum into the conetic. These encouraging results imply that the conetic co-sputtered with Al is sufficiently magnetically soft to be applied in spin valve-based sensors.[PUBLICATION ]
language: eng
source:
identifier: ISSN: 15989623 ; E-ISSN: 20054149 ; DOI: 10.1007/s12540-014-3024-3
fulltext: fulltext
issn:
  • 15989623
  • 1598-9623
  • 20054149
  • 2005-4149
url: Link


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descriptionConetic (Ni^sub 77^Fe^sub 14^Cu^sub 5^Mo^sub 4^) and conetic co-sputtered with aluminum thin films are prepared and their soft magnetic properties are examined in order to investigate their eligibility for application in the free layer of spin valve-based magnetic sensors. As the aluminum concentration increases, the coercivity and anisotropy field of the film is reduced by more than 60%, which indicates that the soft magnetism is significantly improved. The thermal treatment further enhances the soft magnetic properties. This improvement can be attributed to the enhanced random anisotropy that results from the reduction in the grain size, which is caused by the incorporation of the aluminum into the conetic. These encouraging results imply that the conetic co-sputtered with Al is sufficiently magnetically soft to be applied in spin valve-based sensors.[PUBLICATION ]
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subjectFerromagnetism -- Magnetic Properties ; Ferromagnetism -- Analysis ; Thin Films -- Magnetic Properties ; Thin Films -- Analysis ; Anisotropy -- Magnetic Properties ; Anisotropy -- Analysis ; Valves -- Magnetic Properties ; Valves -- Analysis;
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abstractConetic (Ni^sub 77^Fe^sub 14^Cu^sub 5^Mo^sub 4^) and conetic co-sputtered with aluminum thin films are prepared and their soft magnetic properties are examined in order to investigate their eligibility for application in the free layer of spin valve-based magnetic sensors. As the aluminum concentration increases, the coercivity and anisotropy field of the film is reduced by more than 60%, which indicates that the soft magnetism is significantly improved. The thermal treatment further enhances the soft magnetic properties. This improvement can be attributed to the enhanced random anisotropy that results from the reduction in the grain size, which is caused by the incorporation of the aluminum into the conetic. These encouraging results imply that the conetic co-sputtered with Al is sufficiently magnetically soft to be applied in spin valve-based sensors.[PUBLICATION ABSTRACT]
copSeoul
pubSpringer Nature B.V.
doi10.1007/s12540-014-3024-3
urlhttp://search.proquest.com/docview/1524245019/
date2014-05-01