nanowire tiny nukes

Image: Fanny Beron, École Polytechnique de Montréal, Montréal, Canada

In 2008, Fanny Beron from the École Polytechnique de Montréal and colleagues devised CoFeB nanowires. They eventually found the best composition to be  Co94Fe5B1, but not before going through a long process of trial and error. While testing the magnetic properties of the films, some inevitably blew off. During one such moment, Beron used an electron scanning micrograph to record the explosion that happened when a CoFeB magnetic array was overloaded.

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Of course, there aren’t ‘mushroom clouds’, but rather solid structures that are the resting state of the array post explosion. Scanning electron microscope images are black and white, and color is added later (‘color enhanced’). This is standard practice, and the color selection thus becomes a kind of artistic expression instead of an attempt at duplicity. Still amazing!

This image won first prize in the “Science As Art” 2008 competition.