脱湿条件对AuNP / GaN纳米结构光学参数的影响

2022 International Conference on Electrical Engineering and Photonics (EExPolytech) Pub Date : 2022-10-20 DOI:10.1109/EExPolytech56308.2022.9950886

Y. Enns, V. Studzinsky, Aleksandr Uvarov, E. Nikitina, A. Speshilova, P. Karaseov

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引用次数: 0

摘要

本文介绍了在氮化镓表面形成金纳米粒子阵列及其等离子体效应的研究结果。在常压和真空条件下，采用固态脱湿技术在分子束外延(MBE)生长的氮化镓层上制备了金纳米颗粒。研究了沉积金膜厚度和退火环境对纳米粒子尺寸和空间分布的影响。光学特性的研究表明表面等离子体共振效应的出现。研究结果揭示了利用金纳米粒子阵列提高氮化镓基光电器件效率的可能性。

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Influence of Dewetting Conditions on the Optical Parameters of the AuNP / GaN Nanostructure

This paper presents the results of investigation of gold nanoparticle array formation on GaN surface and its plasmon effect. Gold nanoparticles are formed on GaN layer grown by molecular beam epitaxy (MBE) by solid-state dewetting technique both in the air at atmospheric pressure and under vacuum conditions. The influence of the thickness of as-deposited gold film and annealing ambient on the size and spatial distribution of nanoparticles was studied. Investigation of optical characteristics showed the appearance of the surface plasmon resonance effect. The results reveal the possibility to increase the efficiency of GaN-based optoelectronic devices by Au nanoparticle arrays.

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2022 International Conference on Electrical Engineering and Photonics (EExPolytech)

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