Acoustic emission across the magnetostructural transition of the giant magnetocaloric Gd5Si2Ge2 compound

Details Acoustic emission across the magnetostructural transition of the giant magnetocaloric Gd5Si2Ge2 compound Acoustic emission across the magnetostructural transition of the giant magnetocaloric Gd5Si2Ge2 compound

2005-12-14

arxiv.org/abs/cond-mat/0512303v1

Physics

Condensed Matter

Materials Science

5 pages, 4 figures

Scientific paper

10.1103/PhysRevB.73.014110

We report on the existence of acoustic emission during the
paramagnetic-monoclinic to 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.

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