磁性金属氧化物的新视角:非晶化的挑战OA
New Perspective on Magnetic Metal Oxides:the Challenges of Amorphization
非晶金属氧化物因其长程无序而短程有序的结构特征,在磁性研究中展现出区别于晶态体系的独特物理行为.本文综合评述了非晶金属氧化物的结构特点、主要磁性类型及其物理机制,并重点讨论了超顺磁、自旋玻璃、簇玻璃及随机交换磁态等典型磁行为的起源及其内在联系.同时,总结了熔融急冷、溶胶-凝胶、模板法及机械非晶化等主要制备方法,分析了不同制备策略对材料结构与性能的影响,旨在为理解非晶金属氧化物中结构无序与磁性之间的关系提供参考.
Amorphous metal oxides(AMOs),characterized by long-range disorder and short-range order,exhibit distinct magnetic behaviors compared to crystalline materials.This review provides an overview of their structural characteristics,magnetism,and underlying mechanisms,with emphasis on typical phenomena such as superpara-magnetism,spin glass,cluster glass and random exchange magnetic states,as well as their intrinsic correlations.Representative synthesis strategies,including melt-quenching,sol-gel,template,and mechanical amorphization,are also summarized.And their impacts on structure and properties are discussed.This review aims to elucidate the relationship between structural disorder and magnetism in AMOs.
陈君杰;许翰坤;李强;邓金侠;林鲲
北京科技大学化学与生物工程学院,北京 100083北京科技大学化学与生物工程学院,北京 100083北京科技大学化学与生物工程学院,北京 100083北京科技大学化学与生物工程学院,北京 100083北京科技大学化学与生物工程学院,北京 100083
化学化工
非晶金属氧化物局域结构磁性制备方法
Amorphous metal oxideLocal structureMagnetismSynthesis method
《高等学校化学学报》 2026 (9)
12-31,20
国家自然科学基金(批准号:22371014)资助.Supported by the National Natural Science Foundation of China(No.22371014).
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