Impurity effect on surface morphology of Cd and Zn crystals grown by VLS mechanism

It was found that impurity elements affect the surface morphology of the Cd and Zn crystals grown by the VLS mechanism from each eutectic alloy droplet. When the atomic radius of an impurity element is nearly equal to that of the Cd or Zn, the {10 1 0} and {10 1 1} faces are striated. When the impur...

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Bibliographic Details
Published in:Journal of crystal growth 1986-05, Vol.75 (2), p.284-288
Main Authors: Yumoto, Hisami, Hasiguti, Ryukiti R., Kaneko, Tsutomo
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Metals, semimetals and alloys
Methods of crystal growth
physics of crystal growth
Physics
Specific materials
Theory and models of crystal growth
physics of crystal growth, crystal morphology and orientation
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Summary:It was found that impurity elements affect the surface morphology of the Cd and Zn crystals grown by the VLS mechanism from each eutectic alloy droplet. When the atomic radius of an impurity element is nearly equal to that of the Cd or Zn, the {10 1 0} and {10 1 1} faces are striated. When the impurity and the Cd or Zn differ by more than 10% from each other in atomic radius, these faces become flat. This phenomenon can be explained qualitatively by Stranski's considerations.
ISSN:0022-0248
1873-5002
DOI:10.1016/0022-0248(86)90040-0