Chin. Phys. Lett.  2014, Vol. 31 Issue (03): 038201    DOI: 10.1088/0256-307X/31/3/038201
CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
Heterogeneous Nucleation on a Conical Cavity
LI Xiang-Ming**
School of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093
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LI Xiang-Ming 2014 Chin. Phys. Lett. 31 038201
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Abstract Heterogeneous nucleation in a conically shaped pit on the surface of a plane surface substrate is investigated. The growing process of a cluster on the substrate consists of three stages: growing within the conical cavity, at the cavity edge and outside the cavity. In every stage, the thermodynamic criterion of a cluster growing into a nucleus depends on both the conical cavity dimensions and the substrate materials. The free energy barrier for nucleus formation and the condition of twice nucleation are obtained.
Received: 06 November 2013      Published: 28 February 2014
PACS:  82.65.+r (Surface and interface chemistry; heterogeneous catalysis at surfaces)  
  64.60.Q- (Nucleation)  
  81.30.Fb (Solidification)  
  68.08.Bc (Wetting)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/31/3/038201       OR      https://cpl.iphy.ac.cn/Y2014/V31/I03/038201
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LI Xiang-Ming
[1] Glicksman M E 2011 Principles of Solidification: An Introduction to Modern Casting and Crystal Growth Concepts (New York: Springer)
[2] Trivedi R 2005 Scr. Mater. 53 47
[3] Volmer M and Flood H 1934 Z. Phys. Chem. A 170 273
[4] Fletcher N H 1958 J. Chem. Phys. 29 572
[5] Qian M 2007 Acta Mater. 55 943
[6] Balluffi R W, Allen S M and Carter W C 2005 Kinetics of Materials (New Jersey: John Wiley and Sons)
[7] Lu J F and Peng X F 2008 Heat Mass Transfer 44 889
[8] Leung S N, Park C B and Li H B 2010 J. Cell. Plast. 46 441
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