| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Materials Processing Fundamentals: Thermodynamics and Rate Phenomena
|
| Presentation Title |
Experimental and Computational Studies on Solid-State Dewetting of Single Crystal Nickel and Copper Thin Films |
| Author(s) |
Misong Ju, Maxwell L'Etoile, Yoon Ah Shin, Baoming Wang, Carl Thompson |
| On-Site Speaker (Planned) |
Misong Ju |
| Abstract Scope |
Solid-state dewetting (SSD) of thin films has been explored as a cost-effective method for creating complex and controlled nanostructures. Due to the significant impact of slight variations in initial dewetting conditions on SSD behavior, achieving precise experimental control and employing complementary simulations of evolving surfaces are essential. Here, we report on the SSD behaviors of single crystal nickel and copper thin films, as well as the modeling of SSD mechanisms in these systems with strong crystallographic anisotropy. Lithographic pre-patterning, which bounds the film edges along different in-plane crystallographic orientations, was used to initiate edge retraction and facilitate the exploration of various dewetting phenomena. Furthermore, we utilized the level-set method to simulate the evolution of surfaces with anisotropic surface energy and surface diffusivity. By integrating experimental findings and simulation results from these two metal systems, we gained deep insights into the SSD behavior of metal thin films. |
| Proceedings Inclusion? |
Planned: |