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Publication
Applied Physics Letters
Paper
Effects of ion radiation damage on the magnetic domain structure of amorphous GdSingle Bond signCo alloys
Abstract
We have subjected sputtered amorphous films of GdSingle Bond signCo alloys to a high-energy argon ion flux to study the effects of ion radiation damage on the uniaxial anisotropy of these materials. We find that a relatively low level of radiation damage ([inverted lazy s] 1014 ions/cm2) can destroy the uniaxial anisotropy if the damage is sustained in zero applied fields. A similar dosage can induce anisotropy if a strong magnetic field is applied during the ion irradiation. These experiments support the atomic-pair-ordering model of anisotropy in these materials. © 1974 American Institute of Physics.