Better-Built Diamonds: Fast growth, purity may multiply uses | Science News

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Better-Built Diamonds: Fast growth, purity may multiply uses

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1:29pm, September 11, 2002

Although researchers have been getting better at making artificial diamonds for a half century, they haven't yet made the crystals as big or as pure as some diamond visionaries would like. Yet large natural diamonds that make beautiful jewelry are neither pure enough nor cheap enough for the more demanding requirements of technology developers. Artificial diamonds may soon make the grade, two new studies suggest.

A Swedish-English research group has now fabricated the purest diamonds ever made or found, hastening the prospect of a new class of rugged and more capable microchips made from diamond. Another group, based in the United States, claims to have devised a way to grow high-quality diamonds up to 100 times faster than typic

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