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Using μSR as a magnetometer

Calder, S., Giblin, Sean and Bramwell, S. T. 2009. Using μSR as a magnetometer. Physica B: Condensed Matter 404 (5-7) , pp. 1017-1019. 10.1016/j.physb.2008.11.204

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Abstract

The precession of muons implanted in a non-magnetic sample at a distance from a magnetized body has been investigated experimentally. Specifically, the muons were implanted into a silver sheet several millimeters from a magnetized nickel sheet. An exact theoretical expression for the field from a uniformly magnetized body was found to provide an excellent description of the average muon precession as a function of distance between the two samples. This experiment illustrates the possibility of using an easy modification to the standard μSR experiment to provide a bulk probe of the sample magnetization with the same time dependence as the usual local probe. This may help in the interpretation of certain μSR experiments as well as controlling for sample perturbation by the muons.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Uncontrolled Keywords: Instrumentation/techniques
Additional Information: Proceedings of the Eleventh International Conference on Muon Spin Rotation, Relaxation and Resonance
Publisher: Elsevier
ISSN: 0921-4526
Last Modified: 04 Jun 2017 04:36
URI: http://orca.cf.ac.uk/id/eprint/41502

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