Vopsaroiu, M; Cain, M G; Kuncer, V* (2011) The integral magneto-refractive effect: a method of probing magneto-resistance. J. Appl. Phys., 110 (5). 056103

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Abstract

We show that the optical infrared magneto-refractive effect can be used to probe magneto-resistance effects in absolute terms. A spin valve sample with synthetic anti-ferromagnet has been studied using non-contact infrared reflection spectroscopy measurements. Direct experimental comparison shows excellent agreement between electrical and optical measurements in both shape of the magneto-resistance curves and absolute values. This opens the possibility of developing fast and efficient tests of magneto-resistive samples and sensors using an in situ, non-contact, non-destructive optical approach, without the need to determine a calibration factor between the electrical and optical measurements.

Item Type:	Article
Subjects:	Advanced Materials Advanced Materials > Non-Destructive Testing
Identification number/DOI:	10.1063/1.3631778
Last Modified:	02 Feb 2018 13:14
URI:	http://eprintspublications.npl.co.uk/id/eprint/5233

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