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Difference in Icosahedral Short-Range Order in Early and Late Transition Metals LiquidsNew 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.
Document ID
20040010776
Acquisition Source
Marshall Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Lee, G. W.
(Washington Univ. Saint Louis, MO, United States)
Gangopadhyay, A. K.
(Washington Univ. Saint Louis, MO, United States)
Kelton, K. F.
(Washington Univ. Saint Louis, MO, United States)
Hyers, R. W.
(Massachusetts Univ. Amherst, MA, United States)
Rathz, T. J.
(Alabama Univ. Huntsville, AL, United States)
Rogers, J. R.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2003
Subject Category
Metals And Metallic Materials
Distribution Limits
Public
Copyright
Other

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