Difference in icosahedral short-range order in early and late transition metal liquids |
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Authors: | Lee G W Gangopadhyay A K Kelton K F Hyers R W Rathz T J Rogers J R Robinson D S |
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Affiliation: | Department of Physics, Washington University, St. Louis, Missouri 63130, USA. |
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Abstract: | New short-range order data are presented for equilibrium and undercooled liquids of Ti and Ni. These were obtained from in situ synchrotron x-ray diffraction measurements of electrostatically levitated droplets. While the short-range order of liquid Ni is icosahedral, consistent with Frank's hypothesis, significantly distorted icosahedral order is observed in liquid Ti. This is the first experimental observation of distorted icosahedral short-range order in any liquid, although this has been predicted by theoretical studies on atomic clusters. |
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