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[ÇóÖú] ̼ÄÉÃ׹ܵĹ⼤·¢¹â·¢ÉäÇ¿¶È photoluminescence emission intensities

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3Â¥: Originally posted by alexanderp at 2012-11-12 22:55:05
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mixiao777: ½ð±Ò+3, ¡ï¡ï¡ïºÜÓаïÖú, ÊÜÒæ~ 2012-11-13 16:40:48
http://en.wikipedia.org/wiki/Carbon_nanotube

... The structure of a SWNT can be conceptualized by wrapping a one-atom-thick layer of graphite called graphene into a seamless cylinder. The way the graphene sheet is wrapped is represented by a pair of indices (n,m). The integers n and m denote the number of unit vectors along two directions in the honeycomb crystal lattice of graphene. If m = 0, the nanotubes are called zigzag nanotubes, and if n = m, the nanotubes are called armchair nanotubes. Otherwise, they are called chiral. The diameter of an ideal nanotube can be calculated from its (n,m) indices as follows
......
2Â¥2012-11-12 18:36:29
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mixiao777: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú, ÊÜÒæ~ 2012-11-13 16:41:08
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3Â¥2012-11-12 22:55:05
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mixiao777

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2Â¥: Originally posted by sally208 at 2012-11-12 18:36:29
http://en.wikipedia.org/wiki/Carbon_nanotube

... The structure of a SWNT can be conceptualized by wrapping a one-atom-thick layer of graphite called graphene into a seamless cylinder. The way the  ...

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