Tuning the electro-optical properties of germanene nanoribbons by boron atom substitution for application in information transmission

IF 2.6 4区 物理与天体物理 Q2 PHYSICS, APPLIED
Hoang Van Ngoc, Chu Viet Ha
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引用次数: 0

Abstract

Germanene nanoribbons, a one-dimensional material, have great potential for future technological applications. This research aims to investigate the electro-optical properties of boron-doped germanene nanoribbons with a width of five atoms. The theory used in this study is density functional theory (DFT). The original system is a narrow band gap semiconductor, with a gap size of 0.06eV. The doped configurations, which retain the honeycomb hexagonal structure, are stable and metallic in nature. The introduction of B atoms flattens the configuration, leading to a partial charge shift from Ge to B. The absorption peaks in the 3B and 5B configurations occur in the frequency range less than 500nm, indicating good absorption of visible light, and suggesting possible applications in light-sensitive components. Notably, the real part of the dielectric function’s 0z component is negative, offering immense potential for optical, microwave and communication applications.

通过硼原子置换调谐锗烯纳米带的电光特性以应用于信息传输
锗烯纳米带是一种一维材料,在未来的技术应用中具有巨大潜力。本研究旨在探讨宽度为五个原子的掺硼锗烯纳米带的电光特性。本研究采用的理论是密度泛函理论(DFT)。原始体系是一种窄带隙半导体,带隙大小为 0.06eV。掺杂构型保留了蜂窝状六边形结构,性质稳定且具有金属特性。3B 和 5B 构型的吸收峰出现在小于 500nm 的频率范围内,表明其对可见光有良好的吸收,并暗示其可能应用于光敏元件。值得注意的是,介电函数 0z 分量的实部为负,为光学、微波和通信应用提供了巨大的潜力。
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来源期刊
International Journal of Modern Physics B
International Journal of Modern Physics B 物理-物理:凝聚态物理
CiteScore
3.70
自引率
11.80%
发文量
417
审稿时长
3.1 months
期刊介绍: Launched in 1987, the International Journal of Modern Physics B covers the most important aspects and the latest developments in Condensed Matter Physics, Statistical Physics, as well as Atomic, Molecular and Optical Physics. A strong emphasis is placed on topics of current interest, such as cold atoms and molecules, new topological materials and phases, and novel low dimensional materials. One unique feature of this journal is its review section which contains articles with permanent research value besides the state-of-the-art research work in the relevant subject areas.
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