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September 17, 2025

Gate-tunable two-dimensional ITO epsilon-near-zero materials fabricated by liquid metal printing

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Authors

CGChristopher M. GonzalezYCYu‐Hsun ChenCEChristopher Effarah

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Overview

This work demonstrates liquid metal printed ITO ENZ devices showing enhanced optical properties, suggesting new applications in nonlinear optics.

Key Points

  • The study reveals that ITO epsilon-near-zero materials can enhance electric field intensity at optical interfaces.
  • Fabrication of 1.5 nm and 3 nm ITO layers leads to improved electrical tunability and field confinement in the NIR regime.
  • Utilizing a liquid metal printing technique results in atomically thin ITO layers, which could advance ultrathin device applications.
  • These advancements may enable new functionalities in linear, nonlinear, and quantum optical phenomena.

Cite This Study

Gonzalez et al. (2025) studied this question.

synapsesocial.com/papers/68d4605931b076d99fa5ff79https://doi.org/10.1117/12.3066162
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