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Title:
Templated three-dimensional growth of quasicrystalline lead
Authors:
Sharma, H. R.; Nozawa, K.; Smerdon, J. A.; Nugent, P. J.; McLeod, I.; Dhanak, V. R.; Shimoda, M.; Ishii, Y.; Tsai, A. P.; McGrath, R.
Affiliation:
AA(Surface Science Research Centre and Department of Physics, University of Liverpool, Liverpool L69 3BX, UK; ), AB(Department of Physics, Chuo University, Kasuga, Tokyo 112-8551, Japan), AC(Surface Science Research Centre and Department of Physics, University of Liverpool, Liverpool L69 3BX, UK; Present address: Jeremiah Horrocks Institute for Mathematics, Physics and Astronomy, University of Central Lancashire, Preston PR1 2HE, UK), AD(Surface Science Research Centre and Department of Physics, University of Liverpool, Liverpool L69 3BX, UK), AE(Surface Science Research Centre and Department of Physics, University of Liverpool, Liverpool L69 3BX, UK), AF(Surface Science Research Centre and Department of Physics, University of Liverpool, Liverpool L69 3BX, UK), AG(National Institute for Materials Science, 1-2-1 Sengen, Tsukuba 305-0047, Japan), AH(Department of Physics, Chuo University, Kasuga, Tokyo 112-8551, Japan), AI(National Institute for Materials Science, 1-2-1 Sengen, Tsukuba 305-0047, Japan; Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan), AJ(Surface Science Research Centre and Department of Physics, University of Liverpool, Liverpool L69 3BX, UK)
Publication:
Nature Communications, Volume 4, id. 2715 (2013).
Publication Date:
11/2013
Origin:
NATURE
Abstract Copyright:
(c) 2013: Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.
DOI:
10.1038/ncomms3715
Bibliographic Code:
2013NatCo...4E2715S

Abstract

Quasicrystals, materials with aperiodic long-range order, have been found in intermetallics, soft materials such as colloids and supermolecules, and also in two-dimensional monolayer films. Here we present the first example of three-dimensional growth of a single-element quasicrystalline film. Using a hitherto unexplored template, the icosahedral Ag-In-Yb quasicrystal, and various experimental techniques combined with theoretical calculations of adsorption energies, we find that lead atoms deposited on the surface occupy the positions of atoms in the rhombic triacontahedral cluster, the building block of the substrate, and thus grow in layers with different heights and adsorption energies. We show that the adlayer-adlayer interaction is crucial for stabilizing this epitaxial quasicrystalline structure. The finding opens an avenue for further investigation of the impact of the aperiodic atomic order over periodic order on the physical and chemical properties of materials.
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