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Bendable Diamond - Diamond becomes Flexible when made into ultrafine Needles

711 views · Published 20 April 2018 · 1:05 · Indexed 17 October 2026

Channel: Rajamanickam Antonimuthu · 2018 · Science & Technology

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Diamond is well-known as the strongest of all natural materials, and with that strength comes another tightly linked property: brittleness. But now, an international team of researchers  has found that when grown in extremely tiny, needle-like shapes, diamond can bend and stretch, much like rubber, and snap back to its original shape.

This finding could open the door to a variety of diamond-based devices for applications such as sensing, data storage, actuation, biocompatible in vivo imaging, optoelectronics, and drug delivery. For example, diamond has been explored as a possible biocompatible carrier for delivering drugs into cancer cells.

The team showed that the narrow diamond needles, similar in shape to the rubber tips on the end of some toothbrushes but just a few hundred nanometers  across, could flex and stretch by as much as 9 percent without breaking, then return to their original configuration.   
News Source: http://news.mit.edu/2018/bend-stretch-diamond-ultrafine-needles-0419

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