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AM: Magnetismus

AM 3: Magnetokristalline Anisotropie

AM 3.5: Talk

Monday, March 17, 1997, 16:00–16:15, F5

Vibrating Ferromagnet in a Magnetic Field — •Ermile Gaganidze¹ and Pablo Esquinazi² — ¹Experimental Physik V, Universität Bayreuth, 95440 Bayreuth — ²Abt. Supraleitung u. Magnetismus, Universität Leipzig, 04103 Leipzig

We have studied the magnetoelastic behavior and the dynamical response of a vibrating amorphous metal in the ferromagnetic and reentrant spin glass states in different magnetic field orientations. We show that the "giant Δ E effect" measured in transverse geometry can be quantitatively understood taking into account the pinning of the domain walls and the in-plane magnetization, and that it is not related to the interaction of stress with magnetic domains.