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Sapphire Stars in Nanotube Support Role On crystal surfaces, nanotubes self-guide themselves into dense structures with exciting potential applications as sensors or integrated circuitsUSC researchers have found that sapphire surfaces spontaneously arrange carbon nanotubes into useful patterns - but only the right surfaces.Nanotubes are one-atom thick sheets of carbon rolled into seamless cylinders. They can be used to work as chemical sensors and transistors, like devices made from carbon's close chemical cousin, silicon.
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