Magnetic linear dichroism of infrared light in ferromagnetic alloy films

J. van Driel; F.R. de Boer; R. Coehoorn; G. H. Rietjens

doi:10.1103/PhysRevB.60.R6949

Magnetic linear dichroism of infrared light in ferromagnetic alloy films

J. van Driel, F.R. de Boer, R. Coehoorn, G. H. Rietjens

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

12 Citations (Scopus)

Abstract

We have observed a magnetic linear dichroism effect for infrared light in ferromagnetic alloys at room temperature. The effect has been studied for Ni₈₀Fe₂₀, Ni₈₀Co₂₀, Co₉₀Fe₁₀, and Fe₈₈V₁₂ thin films by measuring the transmission of light polarized parallel and perpendicular to the magnetization direction. Its physical origin and frequency dependence are explained from a two-current Drude-type model for the conductivity. A study of a single (thin film) specimen is shown to be sufficient for obtaining the spin and angular dependence of electron relaxation times in ferromagnetic alloys.

Original language	English
Pages (from-to)	R6949-R6952
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	60
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.60.R6949
Publication status	Published - 1 Jan 1999
Externally published	Yes

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10.1103/PhysRevB.60.R6949

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AU - Rietjens, G. H.

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N2 - We have observed a magnetic linear dichroism effect for infrared light in ferromagnetic alloys at room temperature. The effect has been studied for Ni80Fe20, Ni80Co20, Co90Fe10, and Fe88V12 thin films by measuring the transmission of light polarized parallel and perpendicular to the magnetization direction. Its physical origin and frequency dependence are explained from a two-current Drude-type model for the conductivity. A study of a single (thin film) specimen is shown to be sufficient for obtaining the spin and angular dependence of electron relaxation times in ferromagnetic alloys.

AB - We have observed a magnetic linear dichroism effect for infrared light in ferromagnetic alloys at room temperature. The effect has been studied for Ni80Fe20, Ni80Co20, Co90Fe10, and Fe88V12 thin films by measuring the transmission of light polarized parallel and perpendicular to the magnetization direction. Its physical origin and frequency dependence are explained from a two-current Drude-type model for the conductivity. A study of a single (thin film) specimen is shown to be sufficient for obtaining the spin and angular dependence of electron relaxation times in ferromagnetic alloys.

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Magnetic linear dichroism of infrared light in ferromagnetic alloy films

Abstract

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