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Spontaneous Assembly of Perfectly Ordered Identical-Size Nanocluster Arrays

Jian-Long Li, Jin-Feng Jia, Xue-Jin Liang, Xi Liu, Jun-Zhong Wang, Qi-Kun Xue, Zhi-Qiang Li, John S. Tse, Zhenyu Zhang, and S. B. Zhang
Phys. Rev. Lett. 88, 066101 – Published 25 January 2002
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Abstract

A method, by which periodic two-dimensional arrays of identical metal clusters of nanometer size and spacing could be spontaneously obtained by taking advantage of surface mediated clustering, is reported. The versatility of the method is demonstrated for a broad range of metals on Si(111)(7×7) substrates. In situ scanning tunneling microscopy analysis of In clusters, combined with first-principles total energy calculations, unveils unique initial-stage atomic structures of the surface-supported clusters and the vital steps that lead to the success of this method. A strong interaction between the clusters and the surface holds the key to the observed cluster sizes.

  • Received 28 September 2001

DOI:https://doi.org/10.1103/PhysRevLett.88.066101

©2002 American Physical Society

Authors & Affiliations

Jian-Long Li1, Jin-Feng Jia1, Xue-Jin Liang1, Xi Liu1, Jun-Zhong Wang1, Qi-Kun Xue1, Zhi-Qiang Li2, John S. Tse2, Zhenyu Zhang1,3, and S. B. Zhang4

  • 1State Key Laboratory for Surface Physics and International Center for Quantum Structures, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China
  • 2Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario, K1A 0R6, Canada
  • 3Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6032
  • 4National Renewable Energy Laboratory, Golden, Colorado 80401

See Also

The Magic of Nanoclusters

JR Minkel
Phys. Rev. Focus 9, 6 (2002)

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Issue

Vol. 88, Iss. 6 — 11 February 2002

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