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In a new report published in Science Advances, Sulgiye Park and a research team in geological sciences, materials and energy sciences, advanced research and advanced radiation sources in the U.S. and Beijing, China, developed a carbon-based nanomaterial with exceptional properties. They used new "diamondoids" as a promising precursor to develop laser-induced, high-pressure and high-temperature diamonds. The lowest pressure and temperature conditions to yield diamonds in the study were 12 GPa at approximately 2000 K and 900 K at a pressure of 20 GPa, respectively. The work showed a substantially reduced transformation barrier compared with diamond synthesis using conventional hydrocarbon allotropes. Park et al. credited the observations to structural similarities and the full sp3 hybridization of both diamondoids and bulk diamond.

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Category: Science