Instable Microdeformation and Strain Recovery in Amorphous LiPON Thin Layer
2024

Mechanical Behavior of LiPON Thin Films

Sample size: 122 publication Evidence: moderate

Author Information

Author(s): Ugi Dávid, Musza Alexandra, Groma István, Glenneberg Jens, Schwenzel Julian, Ispánovity Péter Dusán, Kun Robert

Primary Institution: HUN-REN Research Centre for Natural Sciences

Hypothesis

How does the instability of deformation in LiPON thin films depend on strain rate and indenter tip geometry?

Conclusion

The study found that instability in LiPON thin films occurs only within a specific range of deformation velocities and is influenced by the sharpness of the indenter's tip.

Supporting Evidence

  • The study reports a novel deformation phenomenon in LiPON films during nanoindentation.
  • Instability in deformation is linked to the material's unique structure and the sharpness of the indenter tip.
  • Strain recovery was observed after deformation, indicating a potential for improved durability in battery applications.

Takeaway

The researchers tested how LiPON thin films change shape when pressed and found that they can bounce back to their original shape after being deformed, depending on how fast they are pressed and the shape of the tool used.

Methodology

Nanoindentation experiments were conducted using various tip geometries and strain rates to investigate the mechanical properties of LiPON thin films.

Limitations

The study primarily focuses on specific tip geometries and may not account for all possible mechanical behaviors of LiPON under different conditions.

Digital Object Identifier (DOI)

10.1021/acsomega.4c07378

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