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The freezing behaviors of Al nanowires with different section sizes and cooling rates are studied by using the classic molecular dynamics simulation via embedded atom potentials. In order to invesligate the evolution of the local clusters in the transformation of Al nanowires, the pair analysis technique is employed. The simulation results indicate that the final structure of Al nanowires is strongly affected not only by cooling rate, but also by the size effect during solidification from liquid. At a rapid cooling rate, the final structures are all helical multi-shelled structures. However, at a slower cooling rate, the structure changes from helical multi-shelled to crystalline via near-hexagonal shell structure with the increase of section size except that the thinnest Al nanowires break down.
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Keywords:
- nanowires /
- size effect /
- helical multi-shelled structure /
- pair analysis
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[19] Li H,Pederiva F,Wang G H,Wang B L 2004 J.Appl.Phys.96 2214
[20] Voter A F,Chen S P 1987 Mat.Res.Soc.Symp.Proc.82 175
[21] Li L,Shao J L,Duan S Q,Liang J Q 2011 Chin.Phys.B 20 046402
[22] Honeycutt J D,Andersen H C 1987 J.Phys.Chem.91 4950
[23] Kondo Y,Takayanagi K 2000 Science 289 606
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[1] Sarkar J,Khan G,Basumallick A 2007 Bull.Mater.Sci.30 271
[2] Tian H C,Liu L,Wen Y H 2010 Acta Phys.Sin.59 1952 (in Chinese) [田惠忱, 刘丽, 文玉华 2010 59 1952]
[3] Lu H P,Han M G,Deng L J,Liang D F,Ou Y 2010 Acta Phys.Sin.59 2090 (in Chinese) [陆海鹏, 韩满贵, 邓龙江,梁迪飞, 欧雨 2010 59 2090]
[4] Sun W F,Li M C,Zhao L C 2010 Acta Phys.Sin.59 7291 (in Chinese) [孙伟峰,李美成,赵连城 2010 59 7291]
[5] Jing Y H,Meng Q Y 2010 Physica B 405 2413
[6] Alavi A,Mirabbaszadeh K,Nayebi P,Zaminpayma E 2010 Comput.Mater.Sci.50 10
[7] Davila L P,Leppert V J,Bringa E M 2009 Scripta Materialia 60 843
[8] Yang Z Y,Lu Z X,Zhao Y P 2009 Comput.Mater.Sci.46 142
[9] Peng C X,Gong J H,Wang L 2009 Comput.Mater.Sci.46 229
[10] Zhang Z N,LiuM L,LiW,Geng C J,Zhao Q,Zhang L 2009 Acta Phys.Sin.58 S067 (in Chinese) [张宗宁,刘美林, 李蔚, 耿长建, 赵骞, 张林 2009 58 S067]
[11] Zhou G R,Gao Q M 2005 Solid State Commun.136 32
[12] Zhou G R,Gao Q M 2006 Solid State Commun.138 399
[13] Zhou G R,Gao Q M 2006 Acta Phys.Sin.55 1499 (in Chinese)[周国荣, 高秋明 2006 55 1499]
[14] Zhou G R,Li B Q,Geng H R,Teng X Y,Chen G L 2007 Acta Phys.Cham.Sin.23 1071 (in Chinese) [周国荣, 李蓓琪,耿浩然, 滕新营, 陈广立 2007 物理化学学报 23 1071]
[15] Wang B L,Yin S Y,Wang G H 2001 Phys.Rev.Lett.86 2046
[16] Wang B L,Yin S Y,Wang G H,Zhao J J 2001 J.Phys.:Condens.Matter 13 L403
[17] Wang B L,Wang G H,Zhao J J 2002 Phys.Rev.B 65 235406
[18] Li H,Pederiva F,Wang G H,Wang B L,2003 Chem.Phys.Lett.381 94
[19] Li H,Pederiva F,Wang G H,Wang B L 2004 J.Appl.Phys.96 2214
[20] Voter A F,Chen S P 1987 Mat.Res.Soc.Symp.Proc.82 175
[21] Li L,Shao J L,Duan S Q,Liang J Q 2011 Chin.Phys.B 20 046402
[22] Honeycutt J D,Andersen H C 1987 J.Phys.Chem.91 4950
[23] Kondo Y,Takayanagi K 2000 Science 289 606
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