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Au Nanoparticle Array Deposited Phase-Change Material for Optical Information Recording Using Field Enhancement Based on Localized Surface Plasmon Resonance

机译:Au纳米粒子阵列沉积相变材料,用于使用基于局部等离子体共振的场增强光学信息记录的光学信息记录

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摘要

In this study, we present a description of an Au nanobead array-based optical recoding mechanism using the near-field strong enhancement induced by localized surface plasmon resonance. Through a numerical Finite-Difference Time-Domain simulation, we find that a strong field enhancement by originating from the coupled plasmon mode can be induced between closely spaced Au nanoparticles (NPs) arranged on the top surface of a recording medium. The calculated maximum power density inside the recording layer in the case of the Au NPs' density = 55% (lambda=658nm) is similar to 56% higher than that of the case without the Au NP array. Moreover, our phase-change recording experiment using an Au NP array verifies the functionality of localized surface plasmon resonance-based optical recording.
机译:在该研究中,我们介绍了一种基于Au纳米型阵列的光学重读机构的描述,所述光学重读机构使用由局部化表面等离子体共振引起的近场强增强。 通过数值有限差分时域模拟,发现源自耦合等离子体模式的强大场增强可以在布置在记录介质的顶表面上的紧密间隔的Au纳米颗粒(NPS)之间感引起。 在Au nps密度= 55%(Lambda = 658nm)的情况下,记录层内的计算的最大功率密度类似于没有AU NP阵列的情况的56%。 此外,我们使用AU NP阵列的相变记录实验验证了基于局部等离子体谐振的光学记录的功能。

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