Resonant X-ray Scattering From the Surface of a Dilute Liquid Hg-Au Alloy

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Resonant X-ray Scattering From the Surface of a Dilute Liquid Hg-Au Alloy

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Title: Resonant X-ray Scattering From the Surface of a Dilute Liquid Hg-Au Alloy
Author: DiMasi, E.; Tostmann, H.; Ocko, B. M.; Huber, P.; Shpyrko, O. G.; Pershan, Peter S.; Deutsch, M.; Berman, L. E.

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Citation: DiMasi, E., H. Tostmann, B. M. Ocko, P. Huber, O. G. Shpyrko, Peter S. Pershan, M. Deutsch, and L. E. Berman. 2000. Resonant x-ray scattering from the surface of a dilute liquid Hg-Au alloy. In Applications of synchrotron radiation techniques to materials science V: Symposium: November 29, 1999 - December 3, 1999, Boston, Massachusetts, ed. S. H. Stock, S. M. Mini, and D. L. Perry. Warrendale, PA: Materials Research Society.
Access Status: At the direction of the depositing author this work is not currently accessible through DASH.
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Abstract: We present the first resonant x-ray reflectivity measurements from a liquid surface. The surface structure of the liquid Hg-Au alloy system just beyond the solubility limit of 0.14at% Au in Hg had previously been shown to exhibit a unique surface phase characterized by a low-density surface region with a complicated temperature dependence. In this paper we present reflectivity measurements near the Au LII1 edge, for 0.2at% Au in Hg at room temperature. The data are consistent with a concentration of Au in the surface region that can be no larger than about 30at%. These results rule out previous suggestions that pure Au layers segregate at the alloy surface.
Published Version: http://www.mrs.org/s_mrs/index.asp
Other Sources: http://liquids.deas.harvard.edu/peter/2000.pdf/00_5_alloy.pdf
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4419625

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  • FAS Scholarly Articles [7495]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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