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Solid-state programmable metallization cells have attracted considerable attention as memristive elements for Redox-based Resistive Random Access Memory (ReRAM) for low-power and low-voltage applications. In principle, liquid-state…

化学物理 · 物理学 2016-08-26 Ji-Hyung Han , Ramachandran Muralidhar , Rainer Waser , Martin Z. Bazant

Despite recent advances in active metaoptics, wide dynamic range combined with high-speed reconfigurable solutions is still elusive. Phase-change materials (PCMs) offer a compelling platform for metasurface optical elements, owing to the…

Dielectrophoresis is a very promising technique for particle manipulation on a chip. In this study, we demonstrate a controlled mannuvering of polystryrene particles on a simple paper-and-pencil based device by exploiting the underlying…

软凝聚态物质 · 物理学 2019-11-13 Sankha Shuvra Das , Shantimoy Kar , Sayantan Dawn , Partha Saha , Suman Chakraborty

In this paper we present the theoretical considerations and the design evolution of a proof-of-concept reconfigurable metasurface, primarily used as a tunable microwave absorber, but also as a wavefront manipulation and polarization…

Recently, low-frequency mechanical energy harvesters based on solid-liquid contact electrification have garnered widespread attention for their unique advantages in wear resistance, high charge transfer efficiency, and novel insights into…

应用物理 · 物理学 2025-06-03 Kequan Xia , Min Yu

Self-supported electrocatalysts being generated and employed directly as electrode for energy conversion has been intensively pursued in the fields of materials chemistry and energy. Herein, we report a synthetic strategy to prepare…

Liquid electricity generator and hydrovoltaic technology have received numerous attentions, which can be divided into horizontal movement generator and vertical movement generator. The horizontal movement generator is limited for powering…

Achieving an electrically tunable phased array optical antenna surface has been a principal challenge in the field of metasurfaces. In this letter, we demonstrate a device platform for achieving reconfigurable control over the resonant…

应用物理 · 物理学 2019-03-26 Prasad P Iyer , Mihir Pendharkar , Chris J. Palmstrøm , Jon A. Schuller

This paper presents a new electrostatic MEMS (MicroElectroMechanical System) based on a single high reliability totally free flexible membrane. Using four electrodes, this structure enables four states which allowed large deflections…

其他计算机科学 · 计算机科学 2008-12-18 Renaud Robin , Salim Touati , Karim Segueni , Olivier Millet , Lionel Buchaillot

Liquid photoresists are abundant in the field of light-based additive manufacturing (AM). However, printing unsupported directly into a vat of material in emerging volumetric AM technologies$-$typically a benefit due to fewer geometric…

应用物理 · 物理学 2022-11-10 Joseph Toombs , Ingrid Shan , Hayden Taylor

A three-stage metal hydride hydrogen compressor (MHHC) system based in AB2-type alloys has been set-up. Every stage can be considered as a Sieverts-type apparatus. The MHHC system can work in the pressure and temperature ranges comprised…

应用物理 · 物理学 2020-07-24 A. R. Galvis , F. Leardini , J. R. Ares , F. Cuevas , J. F. Fernandez

This study explores the suitability of hydrogen-based plasma in direct power extraction (DPE) as a non-conventional electricity generation method. We apply computational modeling and principles in physics and chemistry to estimate different…

等离子体物理 · 物理学 2024-12-03 Osama A. Marzouk

The vision of a hydrogen economy demands efficient platforms to close the gap between sustainable proton sources and solid-state hydrogen carriers. Metal hydrides serve as key carriers, yet their synthesis remains constrained by the…

SMES using high critical temperature superconductors are interesting for high power pulsed sources. Operation at temperatures above 20 K makes cryogenics easier, enhances stability and improves operation as pulsed power source. In the…

This paper demonstrates a cryogenic deformable mirror (DM) with 1,020 actuators based on micro-electrical mechanical systems (MEMS) technology. Cryogenic space-borne infrared telescopes can experience a wavefront error due to a figure error…

High-performance phase control units are crucial in beamforming technology, which has gained substantial attention for its ability to manipulate the wireless propagation environment, thereby enhancing capacity and coverage in communication…

应用物理 · 物理学 2024-06-24 Yuh-Chyi Chang , Tien-Lun Ting , Pei-Ru Chen , Tsung-Hsien Lin

This paper first reviews non-traditional heat exchanger geometry, laser welding, practical issues with microchannel heat exchangers, and high effectiveness heat exchangers. Existing microchannel heat exchangers have low material costs, but…

仪器与探测器 · 物理学 2012-05-31 David C. Denkenberger , Michael J. Brandemuehl , Joshua M. Pearce , John Zhai

Structural colors generated due to light scattering from static all-dielectric metasurfaces have successfully enabled high-resolution, high-saturation and wide-gamut color printing applications. Despite recent advances, most demonstrations…

Electrohydrodynamic (EHD) generation, a commonly used method in BioMEMS, plays a significant role in the pulsed-release drug delivery system for a decade. In this paper, an EHD based drug delivery system is well designed, which can be used…

医学物理 · 物理学 2012-07-18 Yi Zheng , Yuan Zhang , Junqiang Hu , Qiao Lin

The use of aqueous electrolytes in energy storage devices is traditionally limited by the voltage stability window of water at 1.23 V. We present the use of a microemulsion based electrolyte which, although mostly water by mass, has a…

化学物理 · 物理学 2020-11-10 Fraser R. Hughson , Rohan Borah , Thomas Nann