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Evolution of molar volume with temperature during liquid quenching. The MD-annealed sample is included for comparison. Glass transition temperature (, slightly different for different cooling rates) was estimated by MD simulation and marked by an arrow (the same for Figs. 2 and 3). Inset is an enlarged view showing the small differences of molar volume for MGs with different cooling history.
Evolution of CPE with temperature during quenching.
Evolution of ⟨0,0,12,0⟩ full icosahedra at Cu (Al) sites with temperature during quenching, showing the dramatic increase of full icosahedral ordering in the supercooled liquid region and its strong dependence on cooling history. For comparison, an example of ⟨0,2,8,1⟩ (see Ref. 27) at Cu sites is also shown (right axis) to represent other types of polyhedra, which do not change markedly with cooling.
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