Publication
Applied Physics Letters
Paper

Thermal stability of a proposed magnetic bubble metallurgy

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Abstract

It has been proposed that Permalloy (Ni0.8Fe0.2) can be used as thin-film magnetic bubble generator and sensor, and Au is a proposed electrical connector for input/output. We find that significant interdiffusion occurs to levels of 1-10 at.% for the diffusion couples Ni/Au, Fe/Au, and Permalloy/Au. We have determined 350°C solubility levels for all pairs for 1100-Å films for annealing times from 10 to 2400 min. There was no degradation of electrical or magnetic properties of the Permalloy/Au system even at the highest levels of interdiffusion, indicating that it is ideally suited for a magnetic bubble metallurgy. © 1974 American Institute of Physics.

Date

09 Oct 2003

Publication

Applied Physics Letters

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