Impurity phases in icosahedral Ag-In-Yb quasicrystal: Influence in surface structure

Sharma, H.R., Nugent, P.J., Smerdon, Joe orcid iconORCID: 0000-0002-7387-8362, Shimoda, M., Ohhashi, S., Fournée, V., Ledieu, J. and Tsai, A.P. (2010) Impurity phases in icosahedral Ag-In-Yb quasicrystal: Influence in surface structure. Journal of Physics: Conference Series, 226 (1). 012004. ISSN 1742-6588

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Official URL: http://dx.doi.org/10.1088/1742-6596/226/1/012004

Abstract

We present scanning tunnelling microscopy (STM) studies of the fivefold surface of icosahedral (i) Ag-In-Yb quasicrystals grown under different conditions. The sample grown at a slower rate is found to exhibit impurity phases on the surface, whereas a faster growth rate yields a sample with a structurally perfect surface.


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