English
Related papers

Related papers: Nonthermal Atmospheric Plasma Reactors for Hydroge…

200 papers

Magnetohydrodynamics (MHD) is a subject concerned with the dynamics of electrically conducting fluids (plasma) and can be applied in electric power generation. As a unique technology for producing direct-current electricity without moving…

Plasma Physics · Physics 2023-12-15 Osama A. Marzouk

Metastable water in negative pressure can provide giant passive driving pressure up to several megapascals for efficient evaporation-driven flow, however, the practical applications with negative pressure are rare due to the challenges of…

Chemical Physics · Physics 2023-08-09 Yuxi Liu , Zehua Yu , Xiaowei Liu , Peng Cheng , Yifan Zhao , Peihua Yang , Kang Liu

Metal/superconductor/semiconductor (Ag/TlBaCaCuO/CdSe) heterostructures have been successfully fabricated using pulse-electrodeposition technique. The electrochemical parameters are optimized and diffusion free growth of CdSe onto…

Superconductivity · Physics 2007-05-23 P M Shirage , D D Shivagan , S H Pawar

Triboelectric nanogenerators (TENGs) are major drivers in on-site power generation for smart devices, enable self-powered sensors, and introduce novel catalytic processes. Here, we present the advantages of adamantane plasma layers as…

A 13.56 MHz RF discharge in hydrogen was studied within the pressure range of 1-17 10 Pa, and at power range of 400-1000 W. The electron energy distribution function and 18 electron density were measured by a Langmuir probe. The gas…

Plasma Physics · Physics 2019-11-11 J Krištof , A Annušová , M Anguš , P. Veis , X Yang , T Angot , P. Roubin , G. Cartry

We propose a multi-layer graphene-based device in which storage and release of atomic hydrogen is obtained by exploiting and controlling the corrugation of the layers. The proposal is based on density-functional simulations of hydrogen…

Mesoscale and Nanoscale Physics · Physics 2011-01-07 Valentina Tozzini , Vittorio Pellegrini

Despite high interest in compact and safe storage of hydrogen in the solid-state hydride form, the design of alloys that can reversibly and quickly store hydrogen at room temperature under pressures close to atmospheric pressure is a…

Materials Science · Physics 2023-01-10 Abbas Mohammadi , Yuji Ikeda , Parisa Edalati , Masaki Mito , Blazej Grabowski , Hai-Wen Li , Kaveh Edalati

We have developed a simulation tool to model self-limited processes such as atomic layer deposition and atomic layer etching inside reactors of arbitrary geometry. In this work, we have applied this model to two standard types of cross-flow…

Applied Physics · Physics 2024-06-19 Angel Yanguas-Gil , Joseph A. Libera , Jeffrey W. Elam

We report the generation of MeV temperature electrons using sub-terawatt laser systems with a liquid methanol jet as a target. Remarkably, even at laser intensities of 1016W/cm2, liquid cylindrical (2D) 15 micron methanol jets produce…

It should be possible to generate multi-ampere spin-polarized beams of hydrogen isotopes by repeated charge-transfer collisions in highly spin-polarized Cs vapor. Estimates suggest that off-resonant Raman pumping with kW scale narrowband…

Atomic Physics · Physics 2026-05-19 Thad G. Walker , Cary B. Forest , Deniz D. Yavuz

Electrodialytic technologies are clean up processes based on the application of a low-level electrical current to produce electrolysis reactions and the consequent electrochemically induced transport of contaminants. These treatments…

Chemical Physics · Physics 2020-02-17 C. Magroa , J. Almeidaa , J. M. Paz-Garcia , E. P. Mateus , A. B. Ribeiro

Tokamak start-up is characterized by low electron densities and strong electric fields, in order to quickly raise the plasma current and temperature, allowing the plasma to fully ionize and magnetic flux surfaces to form. Such conditions…

Plasma Physics · Physics 2022-06-30 M. Hoppe , I. Ekmark , E. Berger , T. Fülöp

This study reports a low-frequency alternating current (AC) power supply as a novel approach for generating low-pressure capacitively coupled Ar-O2 plasma, offering advantages in cost, compactness, and operational simplicity, which are…

Plasma Physics · Physics 2024-05-10 Niaz Wali , W. W. Xiao , Q. U. Din , N. U. Rehman , C. Y. Wang , J. T. Ma , W. J. Zhong , Q. W. Yang

Plasmas generated using energetic electron beams are well known for their low electron temperature ($T_{e}$) and plasma potential, which makes them attractive for atomic-precision plasma processing applications such as atomic layer etch and…

Plasma Physics · Physics 2023-06-07 Shahid Rauf , D. Sydorenko , S. Jubin , W. Villafana , S. Ethier , A. Khrabrov , I. Kaganovich

Electrical characterization of a nonthermal radio-frequency atmospheric-pressure microplasma in a parallel plate configuration has shown that reducing electrode gap into the submillimeter range increases current and power density at a…

Plasma Physics · Physics 2010-03-16 Andrew J. Wagner , Davide Mariotti , Konstantin J. Yurchenko , Tuhin K. Das

A study of the line shapes of hydrogen Balmer series lines in RF generated low pressure H2/He plasmas produced results suggesting a catalytic process between helium and hydrogen species results in the generation of 'hot' (ca. 28 eV) atomic…

Plasma Physics · Physics 2007-05-23 Jonathan Phillips , Chun-Ku Chen , Toshi Shiina

We investigate second and third harmonic generation in a slab of material that displays plasma resonances at the pump and its harmonic frequencies. Near-zero refractive indices and local field enhancement can deplete the pump for kW/cm2…

Optics · Physics 2015-06-16 M. A. Vincenti , D. de Ceglia , J. W. Haus , M. Scalora

X-ray lasers based on transitions in highly charged \textit{Ni}-like ions generating in the "water window" wavelength range can be pumped by compact laboratory discharge sources. This makes them promising candidates for use as compact…

Plasma Physics · Physics 2021-05-21 N. V. Kalinin , R. M. Feshchenko , I. A. Artyukov , V. A. Burtsev

The low conversion rate and efficiency always weaken the performance of thermochemical water-splitting reaction. Herein, we, for the first time, conducted the thermodynamic study of a hydrogen permeable membrane (HPM) in an isothermal…

Materials Science · Physics 2018-08-08 Chenxi Sui , Hongsheng Wang , Xiang Liu , Xuejiao Hu

We develop a one-dimensional mathematical model for the loading process of hydrogen in a metal hydride tank. The model describes the evolution of the density and pressure of the hydrogen gas, the temperature of the tank, the averaged…

Materials Science · Physics 2025-07-31 Francesc Font , Attila Husar , Tim Myers , Maria Aguareles , Esther Barrabés