Results 91 to 100 of about 27,230 (299)
Recent Advances in Plasma‐Enhanced Atomic Layer Etching for Next‐Generation Nanofabrication
Advanced Materials Interfaces, EarlyView.Continued semiconductor miniaturization demands atomic‐scale patterning and ultralow surface roughness beyond the capabilities of conventional reactive ion etching. This review highlights advances in isotropic and anisotropic plasma‐enhanced atomic layer etching since 2020, covering fundamental mechanisms, applications across major semiconductor ...
Shih‐Nan Hsiao
wiley +1 more source
iScienceSummary: The development of coding metasurface opens an important development direction for beam modulator components. However, the lack of dynamic tunability is a major obstacle to the development and practicality of terahertz coding metasurface.
Min Jia +4 more
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Design of Multifunctional Tunable Metasurface Assisted by Elastic Substrate
Nanomaterials, 2022 Metasurfaces with both multifunctionality and tunability hold great application potential in next-generation optical devices. In this paper, we propose a stretchable metasurface composed of arrays of identical dielectric rectangular resonators embedded ...
Jing Li +6 more
doaj +1 more source
Advanced Materials Technologies, EarlyView.Direct nanoscratching with a 500 nm diamond lapping film creates groove‐guided liquid‐crystal alignment interfaces on PCB‐compatible Cu‐patterned RF substrates within minutes, eliminating polymer coating and high‐temperature baking. The coating‐free process enables optical/molecular alignment validation and voltage‐programmable 28 GHz reflection‐phase ...
Junseok Ma +5 more
wiley +1 more source
Metasurface-Based Ultrathin Beam Splitter with Variable Split Angle and Power Distribution
, 2018 Metasurfaces are artificial electromagnetic surfaces that consist of subwavelength scatterers in an array configuration, exhibiting exceptional abilities to manipulate electromagnetic waves.
Maokun Li +11 more
core +1 more source
In Situ Two‐Dimensional Residual Stress Characterization of Thin Films
Advanced Materials Technologies, EarlyView.An integrated in situ curvature metrology platform combining speckle‐based curvature optical metrology (SCOM) with multi‐beam optical sensors (MOS) enables spatially resolved two‐dimensional curvature mapping of thick sputtered coatings. The SCOM technique provides excellent agreement with MOS while providing an extended measurable curvature range ...
Wai Jue Tan +6 more
wiley +1 more source
IEEE AccessMetasurface optimization employing evolutionary algorithms (EAs) for forward design and machine learning (ML) for inverse design has emerged as a rapidly developing field that uses artificial intelligence (AI) to design and optimize metasurface antenna ...
Mohamed Hamza Boulaich +3 more
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Broadband polarization conversion with anisotropic plasmonic metasurfaces
Scientific Reports, 2017 Metasurfaces offer exciting opportunities that enable precise control of light propagation, optical intensity, phase and polarization. Plasmonic metasurface based quarter-wave plates have been recently studied to realize the conversion between linear ...
Wei Cao, Xiaodong Yang, Jie Gao
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Metasurface for Near-Field Wireless Power Transfer With Reduced Electric Field Leakage
IEEE Access, 2020 Wireless power transfer is a breakthrough technology which can be used in all aspects of humans daily life. Here, a bi-layer metasurface as a transmitter for near-field wireless power transfer is proposed and studied.
Aleksandr Markvart +5 more
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Phase‐shifted metasurface design for pseudo‐nondiffractive beam deflection
IET Microwaves, Antennas & Propagation, 2022 A transmission phase‐shifted metasurface (PSM) array has been proposed for non‐diffractive beam deflection. A PSM element consists of two identical semicircular rings and an I‐shaped structure, which is symmetrically printed on both sides of the F4B ...
Xiaoqing Yang +5 more
doaj +1 more source