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Journal Articles AIP Conference Proceedings Year : 2009

Noise Measurement of Interacting Ferromagnetic Particles with High Resolution Hall Microprobes

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Abstract

We present our first experimental determination of the magnetic noise of a superspin‐glass made of <1 pico‐liter<1 pico‐liter frozen ferrofluid. The measurements were performed with a local magnetic field sensor based on Hall microprobes operated with the spinning current technique. The results obtained, though preliminary, qualitatively agree with the theoretical predictions of Fluctuation‐Dissipation theorem (FDT) violation [1].

Dates and versions

cea-01394945 , version 1 (10-11-2016)

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K. Komatsubara, D. L'Hote, S. Nakamae, F. Ladieu, V. Mosser, et al.. Noise Measurement of Interacting Ferromagnetic Particles with High Resolution Hall Microprobes. AIP Conference Proceedings, 2009, ⟨10.1063/1.3140418⟩. ⟨cea-01394945⟩
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