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°ëµ¼ÌåÎïÀíµÄÎÄÏ×. °üÀ¨Ê¯Ä«Ï©ºÍÀ¶¹âLED.@article{novoselov_two-dimensional_2005,title = {Two-dimensional gas of massless {Dirac} fermions in graphene},volume = {438},issn = {0028-0836, 1476-4687},url = {http://www.nature.com/