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Solid-State Dewetting as a Driving Force for Structural Transformation and Magnetization Reversal Mechanism in FePd
Arkadiusz Zarzycki1, Marcin Perzanowski1, Michal Krupinski1
1Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland.
Materials (Basel, Switzerland)
|January 8, 2023
Summary
Solid-state dewetting in iron-palladium (FePd) thin films drives structural changes, influencing magnetic properties. This process is key to understanding phase transitions and magnetic behaviors in FePd systems.
Area of Science:
- Materials Science
- Condensed Matter Physics
- Thin Film Technology
Background:
- Solid-state dewetting is a critical phenomenon in thin film evolution.
- Iron-palladium (FePd) alloys are of interest for their magnetic properties and phase transitions.
Purpose of the Study:
- To investigate solid-state dewetting in FePd thin films.
- To understand the influence of dewetting on structural transformations and magnetic properties.
Main Methods:
- Annealing of FePd thin films at 600 °C for varying durations.
- Analysis of film morphology, structure, and magnetic properties.
Main Results:
- A strong correlation between solid-state dewetting and physical phenomena was observed.
- Dewetting significantly influences the A1 to L10 phase transition.
- Loss of film continuity during dewetting leads to accelerated L10 phase growth and altered magnetic reversal behavior.
Conclusions:
- Solid-state dewetting is intrinsically linked to the structural and magnetic property evolution in FePd thin films.
- Dewetting-induced changes, particularly after film discontinuity, are crucial for understanding magnetic spring-like behavior and magnetization reversal.
