Abstract
We have extended the previously developed expression for the effect of sharp concentration gradients on the driving force for crystallisation of binary amorphous interlayer to the case of ternary systems. We find that appropriately chosen thirs elements should further reduce this driving force. It was previously shown that the driving force for crystallisation is reestablished as the amorphous layer grows and the concentration gradient drops to a critical value. Appropriately chosen ternary elements should increase the critical thickness beyond which crystallisation may occur. These concepts were applied to Ni/Zr and (Ni-Cu)/Zr multilayers and the experimental results were found to support the theory.
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