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Synthesis-Driven Functionality in High-Entropy Materials.

Anurag Khandelwal1, George Mathew1, Subramshu Bhattacharya2

  • 1Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Kaiserstr. 12, 76131, Karlsruhe, Germany.

Small (Weinheim an Der Bergstrasse, Germany)
|September 30, 2025
PubMed
Summary
This summary is machine-generated.

High-entropy materials (HEMs) offer versatile properties for next-generation applications. This review details synthesis methods to optimize HEMs

Keywords:
electronic applicationsenergy applicationshigh‐entropy materialshigh‐entropy oxidessynthesis techniques

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Area of Science:

  • Materials Science
  • Solid State Chemistry

Background:

  • High-entropy materials (HEMs), discovered in 2015, represent a significant advancement in materials science.
  • These materials exhibit exceptional structural and functional versatility due to the synergistic effects of multiple principal elements.
  • HEMs offer enhanced stability, tunability, and multifunctionality, positioning them as promising alternatives to conventional materials.

Purpose of the Study:

  • To provide a comprehensive overview of synthesis strategies for high-entropy materials.
  • To elucidate the impact of various synthesis methods on the structural, electronic, electrochemical, and optical properties of HEMs.
  • To guide the rational design of HEMs for energy applications and beyond by connecting synthesis, structure, and function.

Main Methods:

  • Review of established and emerging synthesis strategies for HEMs.
  • Analysis of how synthesis parameters influence material characteristics.
  • Discussion of high-throughput synthesis and characterization techniques for navigating HEM design space.

Main Results:

  • Synthesis routes significantly impact the resulting structure-property relationships in HEMs.
  • Key process parameters can be tailored to optimize material performance for specific applications.
  • High-entropy oxides demonstrate potential in catalysis, energy storage, and electronic/optoelectronic devices.

Conclusions:

  • A systematic understanding of synthesis-structure-property relationships is crucial for designing advanced HEMs.
  • Tailoring synthesis methods allows for the optimization of HEMs for diverse applications, particularly in energy.
  • The field of high-entropy materials is rapidly evolving, with significant potential for future innovations.