Effective modulation of electric field distribution through microstructuring of indium tin oxide films

IF 4.4 2区物理与天体物理 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Results in Physics Pub Date : 2025-02-01 DOI:10.1016/j.rinp.2025.108122

Jialin Ji , Kangqi Yi

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Abstract

This study proposes a transparent conductive thin film microstructure capable of effectively modulating the optical properties of the film. Simulation results show that grating-structured indium tin oxide (ITO) films can modulate the surface electric field distribution by adjusting the structural parameters of the grating. This modulation enables a strong electric field to extend to the air side without compromising the integrity of the transparent conductive layer, thereby enhancing resistance to laser-induced damage. Increasing the grating period from 336 nm to 408 nm shifts the surface plasmon resonance wavelength from 506 nm to 600 nm. Therefore, the period of ITO grating exhibits the characteristic of wavelength selection. The optical properties of ITO gratings are also sensitive to film thickness and filling factor. Simulations of other microstructures confirm similar modulation effects. These results provide a theoretical basis for the design and preparation of transparent conductive thin films that meet the demands of high-power, high-throughput liquid crystal optical devices.

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来源期刊

Results in Physics MATERIALS SCIENCE, MULTIDISCIPLINARYPHYSIC-PHYSICS, MULTIDISCIPLINARY

CiteScore

8.70

自引率

9.40%

发文量

754

审稿时长

50 days

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