Coriell, S.
and McFadden, G.
(2002),
Applications of Morphological Stability Theory, Journal of Crystal Growth
(Accessed January 15, 2025)
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Applications of Morphological Stability Theory
Published
Author(s)
,
Abstract
Recent applications of mormhological stability theory are reviewed. For growth of a binary alloy from the melt, the temperature-dependence of the solute diffusivity can have a significant effect on the critical wavelength at the onset of instability. The response of the interface velocity to an electrical current pulse has been calculated by a linear perturbation analysis. The effect of a parallel shear flow and anisotropic interface kinetics on the onset of instability during growth from a supersaturated solution has been analyzed. The kinetic anisotropy arises from a model of step motion in which the morphological instability corresponds to step bunching. Kinetic anisotropy causes traveling waves along the crystal-solution interface and an enhancement of morphological stability. A shear flow in the direction of the step motion promotes morphological instability, while flow in the opposite direction is stabilizing. Oscillatory (in time) shear flows can be studied by Floquet theory.Citation
Journal of Crystal Growth
Volume
237-239
Issue
Part 1
Pub Type
Journals
Keywords
convection, diffusion, directional solidification, morphological stability, supersaturated solutions
Citation
Issues
If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.
Created March 31, 2002, Updated October 12, 2021