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The melting curve of helium has been calculated over the temperature range of 0–1000 K using molecular dynamics method. Comparisons of the calculated melting curve and the experimental data show that the consistence between the melting curve and the experimental data may reach 500 K. When the temperature is above 600 K, no reliable experimental data have been found for comparison. In addition, the pressures inside the helium bubbles of various sizes existing in metal titanium are calculated and have a comparison with the melting curve. Results show that, at low temperatures, the helium bubbles may be in solid state as the temperature decreases. When the temperature is above 300 K, no solid helium bubble may exist.
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Keywords:
- molecular dynamic /
- helium /
- melting curve /
[1] Mills R L, Liebenberg D H, Bronson J C 1980 Phys. Rev. B 21 5137
[2] Loubeyre P, LeToullec R, Pinceaux J P, Mao H K, Hu J, Hemley R J 1993 Phys. Rev. Lett. 71 2272
[3] Cai L C, Chen Q F, Gu Y J, Zhang Y, Zhou X M, Jing F Q 2005 Sci. China 35 369 (in Chinese) [蔡灵仓, 陈其峰, 顾云军, 张颖, 周显明, 经福谦 2005 中国科学 35 369]
[4] Vos W L, Van H M G E, Schouten J A 1990 Phys. Rev. B 42 6106
[5] Wang J, Zhang B L, Zhou Y L, Hou Q 2011 Acta. Phys. Sin. 60 106601 (in Chinese) [汪俊, 张宝玲, 周宇璐, 侯氢 2011 物理学报 60 106601]
[6] Zhang B L, Wang J, Hou Q 2011 Chin. Phys. B 20 036105
[7] Zhang B L, Wang J, Li M, Hou Q 2013 J Nucl Mater 438 178
[8] Chen M 2011 Acta. Phys. Sin. 60 126602 (in Chinese) [陈敏 2011 物理学报 60 126602]
[9] Zhou H B, Jin S, Zhang Y, Shu X L, Niu L L 2014 Chin. Phys. B 23 056104
[10] Maji S, Singh A, Nambissan P M 2001 Phys.Lett. A 281 76
[11] de Kuijper A, Vos W L, Barrat J L, Hansen J P, Schouten J A 1990 J. Chem. Phys. 93 5187
[12] Apaja V, Saarela M 2008 Europhys. Lett. 84 40003
[13] Wang L, Hu W Y, Deng H Q, Xiao S F, Yang J Y, Gao F, Heinisch H L, Hu S L 2011 J. Mater. Res. 26 416
[14] Allen M P, Tildesley D J 1987 Computer Simulation of Liquids (New York: Clarendon Press Oxford) p46
[15] Ross M, Young D A 1986 Phys.Lett. A 118 463
[16] Cai L C, Chen Q F, Jing F Q, Chen D Q 2000 Sci. China 30 266
[17] Cleri F, Rosato V 1993 Phys. Rev. B 48 22
[18] Wang J, Hou Q 2007 J. Appl. Phys. 102 093510
[19] Hou Q, Hou M, Bardotti L, Prével B, Mélinon P, Perez A 2000 Phys. Rev. B 62 2825
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[1] Mills R L, Liebenberg D H, Bronson J C 1980 Phys. Rev. B 21 5137
[2] Loubeyre P, LeToullec R, Pinceaux J P, Mao H K, Hu J, Hemley R J 1993 Phys. Rev. Lett. 71 2272
[3] Cai L C, Chen Q F, Gu Y J, Zhang Y, Zhou X M, Jing F Q 2005 Sci. China 35 369 (in Chinese) [蔡灵仓, 陈其峰, 顾云军, 张颖, 周显明, 经福谦 2005 中国科学 35 369]
[4] Vos W L, Van H M G E, Schouten J A 1990 Phys. Rev. B 42 6106
[5] Wang J, Zhang B L, Zhou Y L, Hou Q 2011 Acta. Phys. Sin. 60 106601 (in Chinese) [汪俊, 张宝玲, 周宇璐, 侯氢 2011 物理学报 60 106601]
[6] Zhang B L, Wang J, Hou Q 2011 Chin. Phys. B 20 036105
[7] Zhang B L, Wang J, Li M, Hou Q 2013 J Nucl Mater 438 178
[8] Chen M 2011 Acta. Phys. Sin. 60 126602 (in Chinese) [陈敏 2011 物理学报 60 126602]
[9] Zhou H B, Jin S, Zhang Y, Shu X L, Niu L L 2014 Chin. Phys. B 23 056104
[10] Maji S, Singh A, Nambissan P M 2001 Phys.Lett. A 281 76
[11] de Kuijper A, Vos W L, Barrat J L, Hansen J P, Schouten J A 1990 J. Chem. Phys. 93 5187
[12] Apaja V, Saarela M 2008 Europhys. Lett. 84 40003
[13] Wang L, Hu W Y, Deng H Q, Xiao S F, Yang J Y, Gao F, Heinisch H L, Hu S L 2011 J. Mater. Res. 26 416
[14] Allen M P, Tildesley D J 1987 Computer Simulation of Liquids (New York: Clarendon Press Oxford) p46
[15] Ross M, Young D A 1986 Phys.Lett. A 118 463
[16] Cai L C, Chen Q F, Jing F Q, Chen D Q 2000 Sci. China 30 266
[17] Cleri F, Rosato V 1993 Phys. Rev. B 48 22
[18] Wang J, Hou Q 2007 J. Appl. Phys. 102 093510
[19] Hou Q, Hou M, Bardotti L, Prével B, Mélinon P, Perez A 2000 Phys. Rev. B 62 2825
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