Evolution of local atomic structure during solidification of Al2Au liquid: An ab initio study

作者: L.H. Xiong , H.B. Lou , X.D. Wang , T.T. Debela , Q.P. Cao

DOI: 10.1016/J.ACTAMAT.2014.01.004

关键词: Coordination numberMolecular geometryMaterials scienceCrystallographyCrystalChemical physicsStructure factorMolecular dynamicsPhase (matter)Amorphous metalAb initio

摘要: … It was found that the icosahedral-like clusters are negligible in the Al 2 Au stable liquid and … HA indices of 131 and 120 or Voronoi indices of <0, 4, 4, 0>, <0, 3, 6, 0> and <0, 4, 4, 2> with …

参考文章(33)
Elliott Philofsky, Intermetallic formation in gold-aluminum systems Solid-State Electronics. ,vol. 13, pp. 1391- 1394 ,(1970) , 10.1016/0038-1101(70)90172-3
Pieter Rein ten Wolde, Maria J. Ruiz-Montero, Daan Frenkel, Numerical evidence for bcc ordering at the surface of a critical fcc nucleus Physical Review Letters. ,vol. 75, pp. 2714- 2717 ,(1995) , 10.1103/PHYSREVLETT.75.2714
A.L. Allred, Electronegativity values from thermochemical data Journal of Inorganic and Nuclear Chemistry. ,vol. 17, pp. 215- 221 ,(1961) , 10.1016/0022-1902(61)80142-5
H. Lou, X. Wang, Q. Cao, D. Zhang, J. Zhang, T. Hu, H.-k. Mao, J.-Z. Jiang, Negative expansions of interatomic distances in metallic melts. Proceedings of the National Academy of Sciences of the United States of America. ,vol. 110, pp. 10068- 10072 ,(2013) , 10.1073/PNAS.1307967110
H. W. Sheng, W. K. Luo, F. M. Alamgir, J. M. Bai, E. Ma, Atomic packing and short-to-medium-range order in metallic glasses Nature. ,vol. 439, pp. 419- 425 ,(2006) , 10.1038/NATURE04421
L. Yang, G. Q. Guo, L. Y. Chen, C. L. Huang, T. Ge, D. Chen, P. K. Liaw, K. Saksl, Y. Ren, Q. S. Zeng, B. LaQua, F. G. Chen, J. Z. Jiang, Atomic-scale mechanisms of the glass-forming ability in metallic glasses. Physical Review Letters. ,vol. 109, pp. 105502- ,(2012) , 10.1103/PHYSREVLETT.109.105502
M. E. Straumanis, K. S. Chopra, Lattice Parameters, Expansion Coefficients and Extent of the Al2Au Phase Zeitschrift für Physikalische Chemie. ,vol. 42, pp. 344- 350 ,(1964) , 10.1524/ZPCH.1964.42.5_6.344
L. Yang, S. Yin, X. D. Wang, Q. P. Cao, J. Z. Jiang, K. Saksl, H. Franz, Atomic structure in Zr70Ni30 metallic glass Journal of Applied Physics. ,vol. 102, pp. 083512- ,(2007) , 10.1063/1.2798386
X. D. Wang, S. Yin, Q. P. Cao, J. Z. Jiang, H. Franz, Z. H. Jin, Atomic structure of binary Cu64.5Zr35.5 bulk metallic glass Applied Physics Letters. ,vol. 92, pp. 011902- ,(2008) , 10.1063/1.2828694