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Scopus: 8 cites, Web of Science: 8 cites,
Using exchange bias to extend the temperature range of square loop behavior in [Pt/Co] multilayers with perpendicular anisotropy
Sort Viñas, Jordi (Universitat Autònoma de Barcelona. Departament de Física)
Suriñach, Santiago (Suriñach Cornet) (Universitat Autònoma de Barcelona. Departament de Física)

Data: 2005
Resum: The temperature dependence of the magnetic properties of [Pt/Co]multilayers (ML), exhibiting perpendicular anisotropy, with and without exchange biasing with an antiferromagnet(AFM) has been investigated. Upon heating, a loss of the out-of-plane anisotropy and, consequently, of the remanence to saturation ratio is observed in these systems. However, such effect occurs at higher temperatures in the [Pt/Co] ML exchange coupled to the AFM than for the unbiased ML. This is attributed to the additional anisotropy induced to the ML by the ferromagnetic-antiferromagnetic exchange coupling.
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Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Matèria: Anisotropy ; Antiferromagnetism ; Exchange interactions ; Coercive force ; Magnetic anisotropy ; Atomic force microscopy ; Multilayers ; Magnetic hysteresis ; Curie point ; Remanence
Publicat a: Applied Physics Letters, Vol. 87, Issue 24 (December 2005) , p. 242504/1-242504/3, ISSN 1077-3118

DOI: 10.1063/1.2139840

4 p, 325.4 KB

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