Acoustic emission across the magnetostructural transition of the giant magnetocaloric Gd5Si2Ge2

F J Perez-Reche, F Casanova, E Vives, L Manosa, A Planes, J Marcos, X Batlle, A Labarta

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We report on the existence of acoustic emission during the paramagnetic-monoclinic <-> ferromagnetic-orthorhombic magnetostructural phase transition in the giant magnetocaloric Gd5Si2Ge2 compound. The transition kinetics have been analyzed from the detected acoustic signals. It is shown that this transition proceeds by avalanches between metastable states.

Original languageEnglish
Article number014110
Pages (from-to)-
Number of pages5
JournalPhysical Review B Condensed Matter and Materials Physics
Issue number1
Publication statusPublished - Jan 2006

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