3D printing metamaterials for highly efficient electromagnetic wave absorption

R Zhou, Z Yu, Z Wu, C Qu, Y Song, R Xing… - Science China …, 2023 - Springer
Metamaterials (MMs) with artificial structures have extraordinary physical properties that
cannot be found in traditional materials. MMs with electromagnetic wave absorption (MMAs) …

Cracking-assisted fabrication of nanoscale patterns for micro/nanotechnological applications

M Kim, DJ Kim, D Ha, T Kim - Nanoscale, 2016 - pubs.rsc.org
Cracks are frequently observed in daily life, but they are rarely welcome and are considered
as a material failure mode. Interestingly, cracks cause critical problems in various …

Underwater persistent bubble-assisted femtosecond laser ablation for hierarchical micro/nanostructuring

D Zhang, B Ranjan, T Tanaka… - International Journal of …, 2020 - iopscience.iop.org
In this study, we demonstrate a technique termed underwater persistent bubble assisted
femtosecond laser ablation in liquids (UPB-fs-LAL) that can greatly expand the boundaries …

Fabrication of a non-wettable wearable textile-based metamaterial microwave absorber

G Singh, H Sheokand, K Chaudhary… - Journal of Physics D …, 2019 - iopscience.iop.org
In this article, a textile-based metamaterial with broadband microwave absorption was
developed using a screen printing technique. The metamaterial has over 90% absorption …

Investigating Polarization-Sensitive Transmission and Reflection Metasurfaces for Advanced Wavefront Manipulation

A Ahmad, J Ali, DY Choi - Applied Sciences, 2023 - mdpi.com
This paper presents the design and optimization of a dual-band polarization-dependent
metasurface capable of dynamically switching transmission and reflection characteristics …

Electro-optic switching in phase-discontinuity complementary metasurface twisted nematic cell

YU Lee, J Kim, JH Woo, LH Bang, EY Choi, ES Kim… - Optics …, 2014 - opg.optica.org
Electro-optic switching of refraction is experimentally demonstrated in a phase-discontinuity
complementary metasurface twisted nematic cell. The phase-discontinuity complementary …

Direct modification of colloidal hole-masks for locally ordered hetero-assemblies of nanostructures over large areas

M Frederiksen, DS Sutherland - Nanoscale, 2014 - pubs.rsc.org
We have developed a direct mask modification method applicable in hole-mask
nanostructure fabrication. It is demonstrated that by using this technique the size, material …

Electro-optic switching in metamaterial by liquid crystal

YU Lee, J Kim, JW Wu - Nano Convergence, 2015 - Springer
Electro-optic switching of reflection and refraction is experimentally demonstrated in
metasurface liquid crystal cell. Negative metasurface is fabricated by focused-ion-beam …

Reflection resonance switching in metamaterial twisted nematics cell

YU Lee, EY Choi, JH Woo, ES Kim, JW Wu - Optics express, 2013 - opg.optica.org
Electric switching of reflection resonances at near-IR spectral range is experimentally
demonstrated in a reflective metamaterial twisted nematic liquid crystal cell. Reflective …

Elimination of gallium concentration on focused-ion-beam-fabricated Au/Ag nanorod surface to recover its Raman scattering characteristic

K Sivashanmugan, JD Liao, CK Yao - Sensors and Actuators B: Chemical, 2015 - Elsevier
Abstract Well-ordered Au and Au/Ag nanorod (NR) arrays were fabricated by focused ion
beam (FIB)(fibAu _NR and fibAu/Ag_NR). The gallium (Ga) concentration and lattice …