Nanowire Building Block (IMAGE)
Caption
An illustration shows the basic nanowire building block -- a diamondoid cage carrying atoms of copper and sulfur -- drifting toward the growing tip of a nanowire, center, where it will attach in a way determined by its size and shape. The copper and sulfur atoms wind up on the inside, forming a core of semiconducting material, and the diamondoids remain on the outside, where they function as an insulating shell.
Credit
SLAC National Accelerator Laboratory
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