Evaluation of magnetometry data acquired from elongated samples


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Authors: Hayden, ME; Lambinet, V; Gomis, S; Gries, G
Year: 2017
Journal: Rev. Sci. Instrum. 88   Article Link (DOI)
Title: Evaluation of magnetometry data acquired from elongated samples
Abstract: We document and validate an analytic expression for the flux integral characterizing the response (or sensitivity) of a magnetometer equipped with second-order axial gradiometer coils to long, thin, uniformly magnetized samples. We then demonstrate an application inspired by this analysis, in which magnetometric sensitivity to weak magnetic signatures is readily and appreciably enhanced by increasing the sample volume (and hence the quantity of analyte) well beyond conventional limits. Published by AIP Publishing.
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