Fabrication of Fe Nanoparticle Assemblies on Au(111) with Xe Buffer Layer and Low Temperature Growth

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概要

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• Growth of Fe nanoparticle assemblies on Au(111) herringbone surface is systematically studied by scanning tunneling microscope (STM) through the variation of (1) deposition coverage, (2) substrate temperature, (3) Xe buffer layer assisted growth (BLAG), and (4) nucleation seed effect. 0.09–0.18 ML Fe deposited at 230–250 K results in regular nanoparticle arrays, which can serve as templates with well-ordered nucleation sites for subsequent growth. BLAG and 90 K growth lead to the multi-layer height nanoparticles. Combination of Xe buffer layer and nucleation seeds is demonstrated to be a new method for the nanoparticle growth on nano-patterned template, maintaining the three-dimensional shape and ordering without lateral percolation.

• 2009-08-25

著者

• Kuo Chien-cheng

  Department Of Optics And Photonics National Central University

• Lin Wen-Chin

  Department of Physics, National Taiwan Normal University, Taipei 11677, Taiwan

• Chang Huang-Yu

  Department of Physics, National Sun Yat-sen University, Kaohsiung 80424, Taiwan

• Hu Yu-Tsen

  Department of Physics, National Sun Yat-sen University, Kaohsiung 80424, Taiwan

• Kuo Chien-Cheng

  Department of Physics, National Sun Yat-sen University, Kaohsiung 80424, Taiwan

• LIN Wen-Chin

  Department of Physics, National Taiwan Normal University

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• System for Measuring Optical Admittance of a Thin Film Stack
• Fabrication of Fe Nanoparticle Assemblies on Au(111) with Xe Buffer Layer and Low Temperature Growth

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