Controlled Synthesis of High-Entropy-Material Nanoparticles. Optimization of Traditional and Creation of Innovative Strategies

IF 0.4 Q4 METALLURGY & METALLURGICAL ENGINEERING
V. A. Polukhin, S. H. Estemirova
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Abstract—In the last decade, the diversity of high-entropy materials (HEMs) has increased dramatically, including the expansion of investigations in the field of amorphous, nano-, and heterostructures. Interest in nanoscale HEAs is primarily related to their potential applications in various fields, such as renewable and green energy, catalysis, hydrogen storage, and surface protection. The development of nanotechnologies made it possible to develop an innovative design of nanoscale HEAs with fundamentally new structures having unique physical and chemical properties. The problems of controlled synthesis with precisely specified parameters of chemical composition, microstructure, and morphology are solved. Traditional technologies, such as rapid pyrolysis, mechanical alloying, magnetron sputtering, electrochemical synthesis, etc., are being modified. In addition, innovative synthesis technologies, such as carbothermal shock and controlled hydrogen spillover, have appeared. This review analyzes the methods of synthesizing nanoscale HEAs for various applications that have been developed in the last six–seven years. Most of them result from the modification of traditional methods, and another group of techniques presents innovative solutions stimulated and inspired by the HEA phenomenon.

Abstract Image

高熵纳米粒子材料的受控合成。优化传统,创造创新战略
摘要:在过去的十年中,高熵材料(hem)的多样性急剧增加,包括在非晶、纳米和异质结构领域的研究扩展。人们对纳米HEAs的兴趣主要与它们在可再生能源和绿色能源、催化、储氢和表面保护等各个领域的潜在应用有关。纳米技术的发展使得开发具有独特物理和化学性质的全新结构的纳米级HEAs的创新设计成为可能。解决了化学组成、微观结构和形貌参数精确控制合成的问题。快速热解、机械合金化、磁控溅射、电化学合成等传统技术正在得到改进。此外,碳热冲击和可控氢溢出等创新合成技术也出现了。本文综述了近六七年来各种应用的纳米HEAs的合成方法。其中大多数是对传统方法的改进,而另一组技术则是受HEA现象的激发和启发而提出的创新解决方案。
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来源期刊
Russian Metallurgy (Metally)
Russian Metallurgy (Metally) METALLURGY & METALLURGICAL ENGINEERING-
CiteScore
0.70
自引率
25.00%
发文量
140
期刊介绍: Russian Metallurgy (Metally)  publishes results of original experimental and theoretical research in the form of reviews and regular articles devoted to topical problems of metallurgy, physical metallurgy, and treatment of ferrous, nonferrous, rare, and other metals and alloys, intermetallic compounds, and metallic composite materials. The journal focuses on physicochemical properties of metallurgical materials (ores, slags, matters, and melts of metals and alloys); physicochemical processes (thermodynamics and kinetics of pyrometallurgical, hydrometallurgical, electrochemical, and other processes); theoretical metallurgy; metal forming; thermoplastic and thermochemical treatment; computation and experimental determination of phase diagrams and thermokinetic diagrams; mechanisms and kinetics of phase transitions in metallic materials; relations between the chemical composition, phase and structural states of materials and their physicochemical and service properties; interaction between metallic materials and external media; and effects of radiation on these materials.
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