Using μ SR as a magnetometer

S. Calder; S. R. Giblin; S. T. Bramwell

doi:10.1016/j.physb.2008.11.204

Using μ SR as a magnetometer

S. Calder
, S. R. Giblin
, S. T. Bramwell

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

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 μ SR 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 μ SR experiments as well as controlling for sample perturbation by the muons.

Original language	English
Pages (from-to)	1017-1019
Number of pages	3
Journal	Physica B: Physics of Condensed Matter
Volume	404
Issue number	5-7
DOIs	https://doi.org/10.1016/j.physb.2008.11.204
State	Published - Apr 15 2009
Externally published	Yes

Keywords

Instrumentation/techniques

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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 μ SR 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 μ SR experiments as well as controlling for sample perturbation by the muons.",

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AU - Calder, S.

AU - Giblin, S. R.

AU - Bramwell, S. T.

PY - 2009/4/15

Y1 - 2009/4/15

N2 - 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 μ SR 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 μ SR experiments as well as controlling for sample perturbation by the muons.

AB - 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 μ SR 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 μ SR experiments as well as controlling for sample perturbation by the muons.

KW - Instrumentation/techniques

UR - https://www.scopus.com/pages/publications/62949198477

U2 - 10.1016/j.physb.2008.11.204

DO - 10.1016/j.physb.2008.11.204

M3 - Article

AN - SCOPUS:62949198477

SN - 0921-4526

VL - 404

SP - 1017

EP - 1019

JO - Physica B: Physics of Condensed Matter

JF - Physica B: Physics of Condensed Matter

IS - 5-7

ER -

Using μ SR as a magnetometer

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