The effect of size, orientation and temperature on the deformation of microcast silver crystals

Borasi, Luciano; Frasca, Simone; Charbon, Edoardo; Mortensen, Alicja

doi:10.1016/j.actamat.2023.118817

Acta Materialia

2023

DOI: 10.1016/j.actamat.2023.118817

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The effect of size, orientation and temperature on the deformation of microcast silver crystals

Luciano Borasi

Simone Frasca

Edoardo Charbon

et al.

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Cited by 5 publications

References 80 publications

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Ultra‐Large Compressive Plasticity of E‐Ga₂O₃ Thin Films at the Submicron Scale

Cui,

Yuan,

Wang

et al. 2023

Small Methods

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Gallium oxide (Ga2O3) usually fractures in the brittle form, and achieving large plastic deformability to avoid catastrophic failure is in high demand. Here, ε‐Ga2O3 thin films with columnar crystals and partial unoccupied Ga sites are synthesized, and it is demonstrated that the ε‐Ga2O3 at the submicron scale can be compressed to an ultra‐large plastic strain of 48.5% without cracking. The compressive behavior and related mechanisms are investigated by in situ transmission electron microscope nanomechanical testing combined with atomic‐resolution characterizations. The serrated plastic flow and large strain burst are two major deformation forms of ε‐Ga2O3 during compression, which are attributed to the dislocation nucleation and avalanches, formation of new grains, and amorphization. The ultra‐large compressive plasticity of ε‐Ga2O3 thin films at the submicron scale can inspire new applications of Ga2O3 in micro‐ or nano‐ electronic and optoelectronic devices, especially those that require impact resistance during processing or service.

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Ultra‐Large Compressive Plasticity of E‐Ga₂O₃ Thin Films at the Submicron Scale

Cui,

Yuan,

Wang

et al. 2023

Small Methods

View full text Add to dashboard Cite

show abstract

On the slip burst amplitude cutoff in dislocation-rich microcrystals

Borasi,

Mortensen

2024

Acta Materialia

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On the preparation and mechanical testing of nano to micron-scale specimens

Borasi,

Slagter,

Mortensen

et al. 2025

Acta Materialia

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The effect of size, orientation and temperature on the deformation of microcast silver crystals

Cited by 5 publications

References 80 publications

Ultra‐Large Compressive Plasticity of E‐Ga₂O₃ Thin Films at the Submicron Scale

Ultra‐Large Compressive Plasticity of E‐Ga₂O₃ Thin Films at the Submicron Scale

On the slip burst amplitude cutoff in dislocation-rich microcrystals

On the preparation and mechanical testing of nano to micron-scale specimens

Contact Info

Product

Resources

About

The effect of size, orientation and temperature on the deformation of microcast silver crystals

Cited by 5 publications

References 80 publications

Ultra‐Large Compressive Plasticity of E‐Ga2O3 Thin Films at the Submicron Scale

Ultra‐Large Compressive Plasticity of E‐Ga2O3 Thin Films at the Submicron Scale

On the slip burst amplitude cutoff in dislocation-rich microcrystals

On the preparation and mechanical testing of nano to micron-scale specimens

Contact Info

Product

Resources

About

Ultra‐Large Compressive Plasticity of E‐Ga₂O₃ Thin Films at the Submicron Scale

Ultra‐Large Compressive Plasticity of E‐Ga₂O₃ Thin Films at the Submicron Scale