02340nas a2200169   4500008004100000022001400041245009200055210006900147260012500216300002300341490000800364520159300372100002201965700002301987700003402010856012602044       2013                        eng d  a0021-960600aInterplay between crystallization and glass transition in binary Lennard-Jones mixtures0 aInterplay between crystallization and glass transition in binary  aCIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USAbAMER INST PHYSICScSEP  aArticle No. 1045010 v1393 a<p>In this work we explore the interplay between crystallization and glass transition in different binary mixtures by changing their inter-species interaction length and also the composition. We find that only those systems which form bcc crystal in the equimolar mixture and whose global structure for larger x(A) (x(A) = 0.6, where x(A) is the mole fraction of the bigger particles) is a mixed fcc + bcc phase, do not crystallize at this higher composition. However, the systems whose equimolar structure is a variant of fcc (NaCl type crystal) and whose global structure at larger xA is a mixed NaCl + fcc phase, crystallize easily to this mixed structure. We find that the stability against crystallization of this ``bcc zone'' is due to the frustration between the locally preferred structure (LPS) and the mixed bcc + fcc crystal. Our study suggests that when the global structure is a mixed crystal where a single species contributes to both the crystal forms and where the two crystal forms have large difference in some order parameter related to that species then this induces frustration between the LPS and the global structure. This frustration makes the systems good glass former. When x(A) is further increased (0.70 &lt;= x(A) &lt; 0.90) the systems show a tendency towards mixed fcc crystal formation. However, the ``bcc zone'' even for this higher composition is found to be sitting at the bottom of a V shaped phase diagram formed by two different variants of the fcc crystal structure, leading to its stability against crystallization. (C) 2013 AIP Publishing LLC.</p>1 aBanerjee, Atreyee1 aChakrabarty, Suman1 aBhattacharyya, Sarika, Maitra  uhttps://library.ncl.res.in/content/interplay-between-crystallization-and-glass-transition-binary-lennard-jones-mixtures-0