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Microstructure-Property Control in Functional Materials by Multilayer Design
Claudia Cancellieri1, Giacomo Lorenzin2, Lars P H Jeurgens3
1Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Joining Technologies and corrosion, Überlandstrasse 129, 8600 Dübendorf, Switzerland.. claudia.cancellieri@empa.ch.
Chimia
|December 9, 2023
Summary
Designing nanomultilayer microstructures and interfaces precisely controls physical properties. This study demonstrates how varying textures and stresses in metal/nitride nanomultilayers tailors thermal stability and conductivity.
Area of Science:
- Materials Science
- Nanotechnology
- Solid State Physics
Background:
- Nanomultilayers offer tunable physical properties through controlled design.
- Tailoring thermal stability, conductivity, and directional metal outflow is crucial for advanced applications.
Purpose of the Study:
- To present examples of precisely fabricated nanomultilayer systems.
- To investigate the influence of microstructure and stress on functional properties.
Main Methods:
- Fabrication of alternating metal and/or nitride nanolayers.
- Control over variable textures, microstructures, grain sizes, and internal stresses.
- Analysis of the relationship between microstructure/stress and functional properties.
Main Results:
- Demonstration of nanomultilayer systems with tailored microstructures.
- Correlation between specific microstructural features (texture, grain size, stress) and resulting physical properties.
- Evidence of how internal stresses influence material behavior.
Conclusions:
- Smart microstructure and interface design are effective strategies for property tuning in nanomultilayers.
- Understanding the role of microstructure and stress is key to optimizing nanomultilayer performance for specific applications.
