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Updated: May 17, 2026
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Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
Published on: December 4, 2014
Disassembling glancing angle deposited films for high-throughput, single-post growth scaling measurements
Joshua Morgan Arthur Siewert1, Joshua Michael LaForge, Michael Thomas Taschuk
1Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2V4, Canada. jsiewert@ualberta
Summary
This study introduces a new method for analyzing nanostructured thin films created by glancing angle deposition (GLAD). The technique helps understand nanocolumn broadening and growth scaling, revealing deviations from theoretical limits.
Area of Science:
- Materials Science
- Thin Film Deposition
- Nanotechnology
Background:
- Nanostructured thin films produced by glancing angle deposition (GLAD) are of growing interest.
- Understanding the growth mechanics and nanocolumn structure of GLAD films is crucial.
Purpose of the Study:
- To present a novel method for isolating individual nanocolumns in GLAD films.
- To enable automated measurement of nanocolumn broadening profiles.
- To investigate the influence of substrate rotation rates on growth scaling parameters.
Main Methods:
- Development of a new technique for isolating individual nanocolumns.
- Automated measurement of nanocolumn broadening profiles.
- Analysis of Titanium Dioxide (TiO2) nanocolumns deposited at α = 81° with varying substrate rotation rates.
Main Results:
- Substrate rotation rates were found to influence growth scaling parameters for TiO2 nanocolumns.
- Individual nanocolumns were observed to violate predicted Kardar-Parisi-Zhang growth scaling limits.
- The current technique's speed is comparable to existing methods, but requires further refinement for high-throughput analysis.
Conclusions:
- The developed method offers potential for high-throughput automated film characterization.
- Further refinement could enhance control over GLAD film broadening and morphology.
- The study highlights deviations from theoretical growth models in GLAD nanocolumns.
