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April 10th, 2009
Discovery in Nanoparticle Dimensions
Abstract:
By Kim Tong-hyung: The separation between a flat world and a straight line seems negotiable, even without borrowing the imaginations of Picasso and Dali.
Nano-size particles could be reduced to the point where they exist in a blurred boundary between a two-dimensional and one-dimensional phase, according to a team of South Korean researchers, Wednesday.
The study, published in peer-review journal Nature, marks the first time that the dimensional crossover from a two-dimensional planar object and a one-dimensional line has been observed, as well as the critical point where the phase boundary ceases to exist.
Seoul National University (SNU) scientist Choe Sug-bong, who led the research team, said the latest findings add detail to the complex picture of nature's universal laws in phase transitions, which regulate everything from the transition between vapor and liquid to changes in stock markets and earthquakes.
The discovery could also contribute to advancing emerging technology fields such as nano-sprintronics and developing new methods for producing nano-materials, he said.
Source:
koreatimes.co.kr
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