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ÔÎÄ£ºOne approach for controlling electronic properties of graphene exploits the idea of producing one-dimensional nanometers-wide strips of graphene, commonly referred to as graphene nanoribbons (GNRs). Since the seminal theory work of Nakada et al., GNRs have been attracting considerable attention. Their striking feature is the diversity of electronic structure patterns that can be obtained by changing the structural parameters, like width and crystallographic orientation of the edges. For instance, whilst electronic band gaps of GNRs cut along the armchair lattice direction depend sensitively on the nanoribbon width, zigzag GNRs exhibit the presence of non-bonding edge states that were predicted to realize a peculiar type of magnetic ordering¡£ ×îºóÒ»¾ä»°¸ÃÔõô·Òë°¡£¿£¿ ÕâÆªÎÄÕµØÖ·£ºhttps://pubs.acs.org/doi/abs/10.1021/ar3001487 |
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conperint: ½ð±Ò+5, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, À÷º¦ 2013-03-14 14:42:48
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For instance, whilst electronic band gaps of GNRs cut along the armchair lattice direction depend sensitively on the nanoribbon width, zigzag GNRs exhibit the presence of non-bonding edge states that were predicted to realize a peculiar type of magnetic ordering¡£ ±ÈÈç˵, ÑØ×Å·öÊÖÒεãÕó·½ÏòÇиîµÄGNRsµÄµç×Ó´øÏ¶Ãô¸ÐµØÒÀÀµÓÚÄÉÃ×´øµÄ¿í¶È, µ«ÊÇ,Ö®×ÖÐεÄGNRÈ´ÏÔÏÖ³ö·Ç¼ü±ßԵ̬µÄ´æÔÚ, Òò´ËÔ¤¼ÆÄܹ»ÊµÏÖÌØÊâÀàÐ͵Ĵų¡ÓÐÐò. |

2Â¥2013-03-14 13:38:55
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3Â¥2013-03-14 14:43:32
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4Â¥2013-03-14 14:44:11














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