Morphological Instability of Growth Fronts Due to Stress-Induced Mobility Variations
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Morphological Instability of Growth Fronts Due to Stress-Induced Mobility Variations
| Title: | Morphological Instability of Growth Fronts Due to Stress-Induced Mobility Variations |
| Author: |
Barvosa-Carter, William; Sage, Jennifer F.; Aziz, Michael
Note: Order does not necessarily reflect citation order of authors. |
| Citation: | Sage, Jennifer F., William Barvosa-Carter, and Michael J. Aziz. 2000. Morphological instability of growth fronts due to stress-induced mobility variations. Applied Physics Letters 77(4): 516-518. |
| Access Status: | At the direction of the depositing author this work is not currently accessible through DASH. |
| Full Text & Related Files: |
Aziz - Morphological instability.pdf (175.2Kb; PDF) 
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| Abstract: | We report a comparison between theory and experiment for a general stress-induced morphological growth instability that is kinetically rather than energetically driven. Stress variations along a perturbed planar growth front result in variations in interfacial mobility in a manner that is destabilizing under one sign of the stress state and stabilizing under the opposite sign, even for a pure material. Investigation of solid-phase epitaxial growth at a corrugated Si(001) interface under both compression and tension results in good agreement between experiment and theory with no adjustable parameters, demonstrating that this mobility-based mechanism is dominant in determining morphological evolution in this system. |
| Published Version: | http://dx.doi.org/10.1063/1.127029 |
| Other Sources: | http://www.seas.harvard.edu/matsci/people/aziz/publications/mja124.pdf |
| Citable link to this page: | http://nrs.harvard.edu/urn-3:HUL.InstRepos:2797365 |
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