Microstructure evolution of Cu atomic islands on liquid surfaces in the ambient atmosphere

doi:10.1088/1674-1056/24/7/076103

Abstract

We report the microstructure evolution of copper (Cu) nm-sized atomic islands on silicone oil surfaces in the ambient atmosphere. The origin of these nearly free sustaining atomic islands is explained by a three-stage growth model. The first stage is the nucleation and growth of atomic granules. Subsequently, the compact atomic islands grow by the aggregation of the atomic granules. Finally, they adhere to each other and form branched atomic islands. During the characteristic evolution, the atomic granules reconstruct and the average height of the atomic islands increases from 7.0± 1.0 nm to 13.0± 1.0 nm. The detailed evolution mechanism of the Cu atomic islands is presented.

Keywords: liquid substrates atomic islands microstructure evolution

Received: 18 April 2014
Revised: 03 February 2015
Accepted manuscript online:

PACS:	61.46.-w	(Structure of nanoscale materials)
	68.08.-p	(Liquid-solid interfaces)
	68.55.Jk

Fund:

Project supported by the National Natural Science Foundation of China (Grant Nos. 11204283 and 11304298), the Natural Science Foundation of Zhejiang Province, China (Grant No. LQ13A040002), and the Scientific Research Project Funds of Talent Introduction of China Jiliang University (Grant No. 01101-000406).

Corresponding Authors: Zhang Xiao-Fei
E-mail: 2007zhangxiaofei@163.com

Cite this article:

Zhang Xiao-Fei (张晓飞), Chen Hang (陈杭), Yu Sen-Jiang (余森江) Microstructure evolution of Cu atomic islands on liquid surfaces in the ambient atmosphere 2015 Chin. Phys. B 24 076103

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Microstructure evolution of Cu atomic islands on liquid surfaces in the ambient atmosphere

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