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Effects of the width of direct correlation function peak and the peak at k=0 on the phase diagram for the two-mode phase field crystal model are examined carefully. The results indicate that increasing the width of direct correlation function peak will expand the stability region of the ordered phases; however, increasing the ratio of peak width will significantly increase the fcc phase region but reduce the bcc phase region. Adding a negative Gaussian peak at k=0 to the two-mode approximate direct correlation function will compress the phase diagram and make the two-phase coexisting region narrow.
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Keywords:
- phase field crystal model /
- two-mode approximation /
- phase diagram /
- direct correlation function
[1] Kalikmanov V I, Dongen M E H 1993 Europhys. Lett. 21 645
[2] Liu J, Zhao J Z, Hu Z Q 2006 Appl. Phys. Lett. 89 031903
[3] Castro M 2003 Phys. Rev. B 67 035412
[4] Warren J A, Kobayashi R, Lobkovsky A E, Carter W C 2003 Acta Mater. 51 6035
[5] Li J J, Wang J C, Xu Q, Yang G C 2007 Acta Phys. Sin. 56 1514 (in Chinese) [李俊杰, 王锦程, 许泉, 杨根仓2007物理学报 56 1514]
[6] Wang Y Q, Wang J C, Li J J 2012 Acta Phys. Sin. 61 118103 (in Chinese) [王雅琴, 王锦程, 李俊杰2012 物理学报 61 118103]
[7] Elder K R, Katakowski M, Haataja M, Grant M 2002 Phys. Rev. Lett. 88 245701
[8] Elder K R, Grant M 2004 Phys. Rev. E 70 051605
[9] Tegze G, Tóth G I, Gránásy L 2011 Phys. Rev. Lett. 106 195502
[10] Ren X, Wang J C, Yang Y J, Yang G C 2010 Acta Phys. Sin. 59 3595 (in Chinese) [任秀, 王锦程, 杨玉娟, 杨根仓2010 物理学报 59 3595]
[11] Tóth G I, Tegze G, Pusztai T, Tóth G, Granasy L 2010 J. Phys.: Condens. Matter 22 364101
[12] Jaatinen A, Nissila T A 2010 J. Phys.: Condens. Matter 22 205402
[13] Jaatinen A, Achim C V, Elder K R, Nissila T A 2009 Phys. Rev. E 80 031602
[14] Wu K A, Adland A, Karma A 2010 Phys. Rev. E 81 061601
[15] Wu K A, Plapp M, Voorhees P W 2010 J. Phys.: Condens. Matter 22 364102
[16] Greenwood M, Provatas N, Rottler J 2010 Phys. Rev. Lett. 105 045702
[17] Greenwood M, Rottler J, Provatas N 2011 Phys. Rev. E 83 031601
[18] Majaniemi S, Provatas N 2009 Phys. Rev. E 79 011607
[19] Waseda Y 1980 The Structure of Non-Crystalline Materials: Liquid and Amorphous Solids (New York: McGraw-Hill Inc) pp34-36
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[1] Kalikmanov V I, Dongen M E H 1993 Europhys. Lett. 21 645
[2] Liu J, Zhao J Z, Hu Z Q 2006 Appl. Phys. Lett. 89 031903
[3] Castro M 2003 Phys. Rev. B 67 035412
[4] Warren J A, Kobayashi R, Lobkovsky A E, Carter W C 2003 Acta Mater. 51 6035
[5] Li J J, Wang J C, Xu Q, Yang G C 2007 Acta Phys. Sin. 56 1514 (in Chinese) [李俊杰, 王锦程, 许泉, 杨根仓2007物理学报 56 1514]
[6] Wang Y Q, Wang J C, Li J J 2012 Acta Phys. Sin. 61 118103 (in Chinese) [王雅琴, 王锦程, 李俊杰2012 物理学报 61 118103]
[7] Elder K R, Katakowski M, Haataja M, Grant M 2002 Phys. Rev. Lett. 88 245701
[8] Elder K R, Grant M 2004 Phys. Rev. E 70 051605
[9] Tegze G, Tóth G I, Gránásy L 2011 Phys. Rev. Lett. 106 195502
[10] Ren X, Wang J C, Yang Y J, Yang G C 2010 Acta Phys. Sin. 59 3595 (in Chinese) [任秀, 王锦程, 杨玉娟, 杨根仓2010 物理学报 59 3595]
[11] Tóth G I, Tegze G, Pusztai T, Tóth G, Granasy L 2010 J. Phys.: Condens. Matter 22 364101
[12] Jaatinen A, Nissila T A 2010 J. Phys.: Condens. Matter 22 205402
[13] Jaatinen A, Achim C V, Elder K R, Nissila T A 2009 Phys. Rev. E 80 031602
[14] Wu K A, Adland A, Karma A 2010 Phys. Rev. E 81 061601
[15] Wu K A, Plapp M, Voorhees P W 2010 J. Phys.: Condens. Matter 22 364102
[16] Greenwood M, Provatas N, Rottler J 2010 Phys. Rev. Lett. 105 045702
[17] Greenwood M, Rottler J, Provatas N 2011 Phys. Rev. E 83 031601
[18] Majaniemi S, Provatas N 2009 Phys. Rev. E 79 011607
[19] Waseda Y 1980 The Structure of Non-Crystalline Materials: Liquid and Amorphous Solids (New York: McGraw-Hill Inc) pp34-36
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