The anisotropic magnetoresistance in Fe/Pt compositionally modulated films

C. Christides; I. Panagiotopoulos; D. Niarchos; T. Tsakalakos; A. F. Jankowski

doi:10.1088/0953-8984/6/40/010

The anisotropic magnetoresistance in Fe/Pt compositionally modulated films

C. Christides, I. Panagiotopoulos, D. Niarchos, T. Tsakalakos, A. F. Jankowski

School of Engineering, Materials Science & Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The anisotropic nature of the resistivity of magnetic multilayers under a parallel or perpendicular applied magnetic field is addressed by magnetoresistivity and hysteresis loop measurements. It is shown that the observation of anisotropic magnetoresistance (AMR) at 80 K can provide straightforward information on the magnetic properties of successive layers in Fe/Pt multilayers. The relative as well as absolute Fe and Pt thicknesses are critical for the AMR behaviour. For Fe layer thicknesses t_Fe less than 5 AA both rho /sub /// and rho _{perpendicular to} increase initially as a function of the applied field H while for larger t_Fe rho _{perpendicular to} always decreases. The anomalous AMR for t _Fe<5 AA is attributed to an inclination of the Fe magnetization out of the film's plane.

Original language	English (US)
Article number	010
Pages (from-to)	8187-8195
Number of pages	9
Journal	Journal of Physics: Condensed Matter
Volume	6
Issue number	40
DOIs	https://doi.org/10.1088/0953-8984/6/40/010
State	Published - 1994

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics

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title = "The anisotropic magnetoresistance in Fe/Pt compositionally modulated films",

abstract = "The anisotropic nature of the resistivity of magnetic multilayers under a parallel or perpendicular applied magnetic field is addressed by magnetoresistivity and hysteresis loop measurements. It is shown that the observation of anisotropic magnetoresistance (AMR) at 80 K can provide straightforward information on the magnetic properties of successive layers in Fe/Pt multilayers. The relative as well as absolute Fe and Pt thicknesses are critical for the AMR behaviour. For Fe layer thicknesses tFe less than 5 AA both rho /sub /// and rho perpendicular to increase initially as a function of the applied field H while for larger tFe rho perpendicular to always decreases. The anomalous AMR for t Fe<5 AA is attributed to an inclination of the Fe magnetization out of the film's plane.",

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T1 - The anisotropic magnetoresistance in Fe/Pt compositionally modulated films

AU - Christides, C.

AU - Panagiotopoulos, I.

AU - Niarchos, D.

AU - Tsakalakos, T.

AU - Jankowski, A. F.

PY - 1994

Y1 - 1994

N2 - The anisotropic nature of the resistivity of magnetic multilayers under a parallel or perpendicular applied magnetic field is addressed by magnetoresistivity and hysteresis loop measurements. It is shown that the observation of anisotropic magnetoresistance (AMR) at 80 K can provide straightforward information on the magnetic properties of successive layers in Fe/Pt multilayers. The relative as well as absolute Fe and Pt thicknesses are critical for the AMR behaviour. For Fe layer thicknesses tFe less than 5 AA both rho /sub /// and rho perpendicular to increase initially as a function of the applied field H while for larger tFe rho perpendicular to always decreases. The anomalous AMR for t Fe<5 AA is attributed to an inclination of the Fe magnetization out of the film's plane.

AB - The anisotropic nature of the resistivity of magnetic multilayers under a parallel or perpendicular applied magnetic field is addressed by magnetoresistivity and hysteresis loop measurements. It is shown that the observation of anisotropic magnetoresistance (AMR) at 80 K can provide straightforward information on the magnetic properties of successive layers in Fe/Pt multilayers. The relative as well as absolute Fe and Pt thicknesses are critical for the AMR behaviour. For Fe layer thicknesses tFe less than 5 AA both rho /sub /// and rho perpendicular to increase initially as a function of the applied field H while for larger tFe rho perpendicular to always decreases. The anomalous AMR for t Fe<5 AA is attributed to an inclination of the Fe magnetization out of the film's plane.

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The anisotropic magnetoresistance in Fe/Pt compositionally modulated films

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