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Phys Rev Lett. 2007 Apr 20;98(16):166804. Epub 2007 Apr 20.

B80 fullerene: an Ab initio prediction of geometry, stability, and electronic structure.

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Department of Mechanical Engineering & Materials Science, Rice University, Houston, Texas 77251, USA.

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  • Phys Rev Lett. 2008 Apr 18;100(15):159901.


The geometry, electronic, and structural properties of an unusually stable boron cage made of 80 boron atoms are studied, using ab initio calculations. The shape of this cluster is very similar to that of the well-known C60 fullerene, but in the B80 case, there is an additional atom in the center of each hexagon. The resulting cage preserves the Ih symmetry, has a relatively large highest occupied and lowest unoccupied energy gap ( approximately 1 eV) and, most importantly, is energetically more stable than boron double rings, which were detected in experiments and considered as building blocks of boron nanotubes. To our knowledge, this is the most stable boron cage studied so far.

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