Crystal structure responses of corundum-type structures (α-Al ₂ O ₃ and α-Fe ₂ O ₃ ) under dynamic acoustic shocked conditions and their comparison between static high-temperature and high-pressure conditions: implications on volume-pressure-related phase transition types

A. Sivakumar; Lidong Dai; Sahaya Jude Dhas Sathiyadhas; Raju Suresh Kumar; Haiying Hu; Bing Lv; Xi Liu; Ziqiang Xu; Muthuvel Vijayan; Rita Aruldoss; Abdulrahman I. Almansour

doi:10.1039/d5cp04750a

January 1, 2026Physical Chemistry Chemical Physics

Crystal structure responses of corundum-type structures (α-Al ₂ O ₃ and α-Fe ₂ O ₃ ) under dynamic acoustic shocked conditions and their comparison between static high-temperature and high-pressure conditions: implications on volume-pressure-related phase transition types

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Key Points

The central aim is to examine how α-Al2O3 and α-Fe2O3 respond structurally under different shock and pressure conditions.
Investigated structural responses of α-Al2O3 and α-Fe2O3 under dynamic acoustic shock conditions.
Compared results with static high-temperature and high-pressure conditions.
Analyzed thermal conductivity values based on a superheating approach.
α-Al2O3 nanoparticles show high structural stability under acoustic shock.
Differences in structural responses are noted between dynamic and static conditions.
Thermal conductivity plays a significant role in understanding the stability of the materials.

Implication

This research investigates structural responses to shock conditions in corundum materials, suggesting thermal stability implications.

Abstract

The α-Al 2 O 3 and α-Fe 2 O 3 NPs' structural responses are investigated under acoustic shocked conditions and the results are explained by their thermal conductivity values based on the superheating approach and Al 2 O 3 NPs are found to be highly stable.

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Cite This Study

Sivakumar et al. (2026) studied this question.

synapsesocial.com/papers/699a9d7a482488d673cd35bc https://doi.org/10.1039/d5cp04750a

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Crystal structure responses of corundum-type structures (α-Al ₂ O ₃ and α-Fe ₂ O ₃ ) under dynamic acoustic shocked conditions and their comparison between static high-temperature and high-pressure conditions: implications on volume-pressure-related phase transition types

Key Points

Implication

Abstract

Discussion

Cite This Study

Crystal structure responses of corundum-type structures (α-Al ₂ O ₃ and α-Fe ₂ O ₃ ) under dynamic acoustic shocked conditions and their comparison between static high-temperature and high-pressure conditions: implications on volume-pressure-related phase transition types

Key Points

Implication

Abstract

Discussion

Cite This Study

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