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第一性原理研究B元素修饰对二维A1N光电特性的影响

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本文采用了基于密度泛函理论的第一性原理计算方法,全面地剖析了 B元素对A1N材料电子特性和光学行为的调控作用.研究揭示,经过B元素改性的A1N能带结构发生分裂,进而赋予了二维A1N体系1 µB的磁性.此外,从光学特性得知,B修饰的二维A1N在光吸收特征上显现出红移现象,这一变化扩展了其在光催化反应中的光谱吸收范围,为二维A1N材料在可见光光电技术应用领域开拓了新颖的应用途径.
First Principles Study on the Effect of B-element Modification on the Photoelectric Properties of Two-dimensional AlN
This article adopts a first principles calculation method based on density functional theory to comprehensively analyze the regulatory effect of element B on the electronic properties and optical behavior of AlN materials.Research has revealed that the band structure of AlN modified by B element splits,thereby endowing the two-dimensional AlN system with 1 μB magnetism.Furthermore,from the optical properties,it can be inferred that,The two-dimensional AlN modified with B exhibits a redshift in light absorption characteristics,which expands its spectral absorption range in photocatalytic reactions and opens up new application avenues for two-dimensional AlN materials in visible light optoelectronic technology.

two dimension AlNfirst principleselectronic structure

莫秋燕、张颂

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凯里学院大数据工程学院,贵州凯里

凯里学院理学院,贵州凯里

二维A1N 第一性原理 电子结构

2024

科学技术创新
黑龙江省科普事业中心

科学技术创新

影响因子:0.842
ISSN:1673-1328
年,卷(期):2024.(20)