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Design and implementation of a low temperature, inductance based high frequency alternating current susceptometer

Riordan, E., Blomgren, J., Jonasson, C., Ahrentorp, F., Johansson, C., Margineda, D., Elfassi, A., Michel, S., Dell'ova, F., Klemencic, G. M. and Giblin, S. R. 2019. Design and implementation of a low temperature, inductance based high frequency alternating current susceptometer. Review of Scientific Instruments 90 (7) , 073908. 10.1063/1.5074154

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Abstract

We report on the implementation of an induction based, low temperature, high frequency ac susceptometer capable of measuring at frequencies up to 3.5 MHz and at temperatures between 2 K and 300 K. Careful balancing of the detection coils and calibration allow a sample magnetic moment resolution of 5 × 10−10 Am2 at 1 MHz. We discuss the design and characterization of the susceptometer and explain the calibration process. We also include some example measurements on the spin ice material CdEr2S4 and iron oxide based nanoparticles to illustrate functionality.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Physics and Astronomy
Publisher: AIP Publishing
ISSN: 0034-6748
Date of First Compliant Deposit: 1 August 2019
Date of Acceptance: 9 July 2019
Last Modified: 24 Nov 2020 20:10
URI: http://orca-mwe.cf.ac.uk/id/eprint/124633

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