Abstract

Amorphous ribbons of Fe 78Si 13B 9 have been charged electrolytically with hydrogen. The hydrogen diffusion coefficient has been estimated by gas effusion measurements. Analysis of the change in the intensities of the Mössbauer lines of this ferromagnetic amorphous alloy of positive magnetostriction has demonstrated the effects of the hydrogen-induced compressive stresses acting in the ribbon plane. The spins are forced from their preferred in-plane alignment in an uncharged state, exhibiting a tendency to align perpendicular to the plane in the charged state. The spins revert to their original alignment on effusion of the hydrogen.

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