Magnetic calorimeter for registration of small energy release

A. I. Golovashkin (), G. N. Izmaïlov, G. V. Kuleshova, T. Q. Khánh, A. M. Tskhovrebov and L. N. Zherikhina

The European Physical Journal B: Condensed Matter and Complex Systems, 2007, vol. 58, issue 3, 243-249

Abstract: A scheme of magnetic calorimeter for registration of rare events characterized by small energy release (cosmic rays, WIMPs, solitary X-ray quanta) is proposed. The calorimeter is brought to operation by adiabatic demagnetization, and its magnetic response is measured by a quantum interferometer (SQUID, A. Barone and G. Paterno, Physics and applications of Josephson Effect). Special consideration is given to the specific features of calorimeter operation in the ferromagnetic transition region. The trigger registration of ultrasmall energy release by a ferromagnetic system in the metastable state is described. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Keywords: 75.30.Sg Magnetocaloric effect; magnetic cooling; 85.25.Dq Superconducting quantum interference devices (SQUIDs) (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1140/epjb/e2007-00222-4

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