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Detection of single magnetic nanobead with a nano-supersonducting quantum interference device.

Hao, L; Assmann, C*; Gallop, J C; Cox, D; Rudes, F*; Kazakova, O; Josephs-Franks, P; Drung, D*; Schurig, Th* (2011) Detection of single magnetic nanobead with a nano-supersonducting quantum interference device. Appl. Phys. Lett., 98 (9). 092504

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Abstract

We report the use of an ultra-low noise nanoSQUID to measure the hysteretic magnetisation behaviour of a single FePt nanobead at a temperature of around 7 K in a magnetic field of only ~10 mT. We also show that the nanobead/particle can be accurately positioned with respect to the SQUID loop and then removed without affecting the SQUID properties and performance. This system is capable of further development with wide applications in nanomagnetism.

Item Type: Article
Subjects: Quantum Phenomena
Quantum Phenomena > Nanophysics
Identification number/DOI: 10.1063/1.3561743
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/4951

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