Abstract
Stress migration (SM) is a promising technique for fabricating micro/nano materials due to its mass productivity, simple processing, and high purity of the fabricated materials. When a passivated metallic sample is heated, thermal stress would generate and stress gradients would happen, driving atoms to migrate to low stress positions and form into micro/nano materials. However, these materials usually form in random distribution and uncontrollable sizes, limiting their further application. In this study, a controllable fabricating method of Al micro wires utilizing SM with artificial holes is proposed. Through this method, micro wires with desired diameters at predetermined positions are able to be fabricated.
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