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hsk_hunter

铁杆木虫 (正式写手)


[资源] 分享一篇最新的Science上关于氮掺杂单层石墨烯的文章

题目:Visualizing Individual Nitrogen Dopants in Monolayer Graphene
摘要:
In monolayer graphene, substitutional doping during growth can be used to alter its electronic properties. We used scanning tunneling microscopy, Raman spectroscopy, x-ray spectroscopy, and first principles calculations to characterize individual nitrogen dopants in monolayer graphene grown on a copper substrate. Individual nitrogen atoms were incorporated as graphitic dopants, and a fraction of the extra electron on each nitrogen atom was delocalized into the graphene lattice. The electronic structure of nitrogen-doped graphene was strongly modified only within a few lattice spacings of the site of the nitrogen dopant. These findings show that chemical doping is a promising route to achieving high-quality graphene films with a large carrier concentration.
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majun505

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19楼2011-09-01 21:19:32
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xiang-h-b

金虫 (著名写手)


★★★★★ 五星级,优秀推荐

好文章啊!谢谢分享
2楼2011-08-19 13:17:27
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qw905

至尊木虫 (著名写手)


★★★ 三星级,支持鼓励

石墨烯中国得迎头赶上啊~~~
8楼2011-08-24 08:27:39
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jm0073楼
2011-08-19 16:52   回复  
五星好评  顶一下,感谢分享!
2011-08-19 22:27   回复  
五星好评  顶一下,感谢分享!
hanweiwei5楼
2011-08-20 10:02   回复  
三星好评  顶一下,感谢分享!
2011-08-23 14:04   回复  
五星好评  顶一下,感谢分享!
2011-08-23 17:29   回复  
五星好评  顶一下,感谢分享!
刘元春9楼
2011-08-24 08:38   回复  
五星好评  顶一下,感谢分享!
lz01910楼
2011-08-24 09:01   回复  
五星好评  顶一下,感谢分享!
2011-08-24 09:15   回复  
五星好评  顶一下,感谢分享!
fafadan13楼
2011-08-24 10:14   回复  
五星好评  顶一下,感谢分享!
040311402714楼
2011-08-24 11:06   回复  
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