EPJ Web of Conferences
Volume 40, 2013JEMS 2012 – Joint European Magnetic Symposia
|Number of page(s)||3|
|Section||Magnetic shape memory, magnetoelastic and multifunctional materials|
|Published online||14 January 2013|
Autonomous generator based on Ni-Mn-Ga microactuator as a frequency selective element
Institute of Magnetism, NASU, Vernadsky Blvd., 36-b, Kyiv 03142, Ukraine
2 Universidad del País Vasco, UPV/EHU, P.O. Box 644, 48080 Bilbao, Spain
3 IMRAM, Tohoku University, Sendai 980-8577, Japan
4 Ikerbasque, Basque Foundation for Science, 48011 Bilbao, Spain
In this work, we suggest the temperature-induced resistivity change at the martensitic transformation in the Ni-Mn-Ga ferromagnetic shape memory alloy as a driving mechanism enabling periodic signal generation. We demonstrated its practical importance by a design of the prototype of a low-frequency autonomous generator. A prominent feature of this new generator is a control of its frequency by the external magnetic field.
© Owned by the authors, published by EDP Sciences, 2013
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