ArticleScience advances2024
Tailoring local chemical fluctuation of high-entropy structures in thermoelectric materials.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Large Electrostrain and High Optical Transmittance via Oxygen Octahedron Rotation Disordering in KNN Ceramics.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Harnessing local chemical order in high-entropy ceramics for broadband electromagnetic absorption.Nature communications · 2026Article
- Entropy-Enabled Hierarchical Defect Architecture for Dual Enhancement of Thermoelectric and Mechanical Performance in SnTe Alloys.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- 4D printing of hierarchically porous carbon-supported high-entropy ceramic metamaterial for tunable microwave absorption.Science advances · 2026Article
- Nanoscale coherent chemical fluctuations driving superior thermoelectric performance in vacancy-tailored ductile AgCu(S,Se,Te).Science advances · 2026Article
- Active Learning-Guided Accelerated Discovery of Ultra-Efficient High-Entropy Thermoelectrics.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Unravelling the Influence of the Local Structure on the Ultralow Thermal Conductivity of the Bismuthinite-Aikinite Series, CuJournal of the American Chemical Society · 2025Article
- Atomic to nanoscale chemical fluctuations: The catalyst for enhanced thermoelectric performance in high-entropy materials.Science advances · 2025Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In high-entropy materials, local chemical fluctuation from multiple elements inhabiting the same crystallographic site plays a crucial role in their unique properties. Using atomic-resolution chemical mapping, we identified the respective contributions of different element characteristics on the local chemical fluctuation of high-entropy structures in thermoelectric materials. Electronegativity and mass had a comparable influence on the fluctuations of constituent elements, while the radius made a slight contribution. The local chemical fluctuation was further tailored by selecting specific elements to induce large lattice distortion and strong strain fluctuation to lower lattice thermal conductivity independent of increased entropy. The chemical bond fluctuation induced by the electronegativity difference had a noticeable contribution to the composition-dependent lattice thermal conductivity in addition to the known fluctuations of mass and strain field. Our findings provide a fundamental principle for tuning local chemical fluctuation and lattice thermal conductivity in high-entropy thermoelectric materials.
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Registered trials
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