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November 12th, 2003
Gallium Clusters are Too Small to Melt
Nanoscopic clusters of gallium atoms, consisting of as few as 17 atoms, melt at much higher temperatures than bulk gallium, according to recent research at the Indiana University. The observation runs counter to theoretical expectations of melting points for small clusters. In fact, current theory suggests that the melting point should fall as a cluster size is reduced, and that nanoscopic lumps of many materials should be liquid at room temperature.
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