English
Related papers

Related papers: Effect of vanadium catalysts on hydrogen evolution…

200 papers

Debye temperature decrease, residual resistivity increase and electron-phonon coupling constant increase as crystallite size decreases have been found from electrical resistivity in temperature range 5 K to 300 K of well-characterized Ag…

Mesoscale and Nanoscale Physics · Physics 2019-08-21 Vikash Sharma , Gunadhor Singh Okram

The effect of hydrogenation on magnetic properties of Zn0.85Co0.05Li0.10O nanoparticles is presented. It was found that the sample hydrided at room temperature (RT) showed weak ferromagnetism (FM) while that hydrided at 400oC showed robust…

Materials Science · Physics 2009-11-11 O. D. Jayakumar , I. K. Gopalakrishnan , K. Shasikala , S. K. Kulshreshtha

Methane (CH_4) gas sensing properties of novel vanadium dioxide (VO_2) nanostructured films is reported for the first time. The single phase nanostructures are synthesized by pulsed dc-magnetron sputtering of V target followed by oxidation…

Materials Science · Physics 2015-09-02 A. K. Prasad , S. Amirthapandian , S. Dhara , S. Dash , N. Murali , A. K. Tyagi

The high pressure phases of HBr are explored with an ab initio crystal structure search. By taking into account the contribution of zero-point energy (ZPE), we find that the P4/nmm phase of HBr is thermodynamically stable in the pressure…

Superconductivity · Physics 2017-08-31 Qinyan Gu , Pengchao Lu , Kang Xia , Jian Sun , Dingyu Xing

This report provides a critical review on "Metal-Catalyzed Reduction of N-Nitrosodimethylamine with Hydrogen in Water", by Davie et al. N-nitrosodimethlamine (NDMA) is a contaminant in drinking and ground water which is difficult to remove…

Chemical Physics · Physics 2014-12-23 Jun Zhou , Min Wang , Junhua Tian , Zhun Zhao

Sodium (Na) vanadium (V) fluorophosphate $\mathrm{Na_xV_2(PO_4)_2F_3}$ (NVPF) is a highly attractive intercalation electrode material due to its high operation voltage, large capacity, and long cycle life. However, several issues limit the…

Materials Science · Physics 2023-07-25 Stephanie C. C. van der Lubbe , Ziliang Wang , Damien K. J. Lee , Pieremanuele Canepa

To reduce the emission of greenhouse gases by the steel industry, particularly for ironmaking, the production of DRI (Direct Reduced Iron) using hydrogen as the reducing gas instead of carbon monoxide is being considered. In this context,…

Materials Science · Physics 2008-12-18 D. Wagner , O. Devisme , F. Patisson , D. Ablitzer

We report a combined experimental and theoretical study of the melting curve and the structural behavior of vanadium under extreme pressure and temperature. We performed powder x-ray diffraction experiments up to 120 GPa and 4000 K,…

Materials Science · Physics 2019-10-02 D. Errandonea , S. G. MacLeod , L. Burakovsky , D. Santamaria-Perez , J. E. Proctor , H. Cynn , M. Mezouar

The effect of pressure on the room temperature solubility of hydrogen in Zircaloy-4 was examined using synchrotron X-ray diffraction on small ground flake samples in a diamond anvil cell at pressures up to 20.9 GPa. Different combinations…

Materials Science · Physics 2019-09-04 H. E. Weekes , D. Dye , J. E. Proctor , D. S. Smith , C. Simionescu , T. J. Prior , M. R. Wenman

Using molecular dynamics simulation, we present a comprehensive study of the volatile thermal degradation of high-density polyethylene (HDPE) across a temperature range of 300 K to 1823 K. We find that degradation at temperatures higher…

Soft Condensed Matter · Physics 2022-04-19 Leyla Ramin , M. Hussein N. Assadi , Veena Sahajwalla

Lanthanide hydrogen-rich materials have long been considered as one of the candidates with high-temperature superconducting properties in condensed matter physics, and have attracted great interest. Attempts to investigate the effects of…

Superconductivity · Physics 2022-04-01 Yao Wei , Elena Chachkarova , Evgeny Plekhanov , Nicola Bonini , Cedric Weber

The recent synthesis of Goldene, a 2D sheet of gold exfoliated from $Ti_3AuC_2$, offers high specific surface area (~260 $m^2g^{-1}$), roughly twice that of fine nanodots (~100 $m^2g^{-1}$), and unique electronic properties due to its dense…

Materials Science · Physics 2025-12-30 Ashutosh Krishna Amaram , Aaditya Roy , Raghavan Ranganathan

This paper presents the first experimental characterisation of combined hydrogen-temperature effects in 316plus (EN 1.4420), a new austenitic stainless steel for liquid hydrogen (LH2) storage. Uniaxial tensile tests were conducted at room…

Chemical Physics · Physics 2026-04-20 W. Li , A. Zafra , L. Armendariz , Z. Wang , W. Bailey , E. Martinez-Pañeda , S. Afshan

In the present work, HfO2 thin film (100nm) has been deposited by sputtering technique and annealed at various temperatures ranging from 400 to 1000\degree (in step of 200 \degree) in O2 ambient for 10 min. The samples have been…

Materials Science · Physics 2016-05-05 Shilpi Pandey , Prateek Kothari , Sunil Kumar Sharma , Seema Verma , K. J. Rangra

The effects of Mg deficiency in MgB2 films grown by using hybrid physical-chemical vapor deposition were investigated after vacuum annealing at various temperatures. High-quality MgB2 films grown on c-cut Al2O3 substrates with different…

Superconductivity · Physics 2009-11-13 Ji Young Huh , Won Kyung Seong , Soon-Gil Jung , W. N. Kang

Room temperature growth of two-dimensional van der Waals (2D-vdW) materials is indispensable for state-of-the-art nanotechnology. The low temperature growth supersedes the requirement of elevated growth temperature accompanied with high…

The current search for room-temperature superconductivity is inspired by the unique properties of the electron-phonon interaction in metal superhydrides. Encouraged by the recently found highest-$T_C$ superconductor fcc-$LaH_{10}$, here we…

The application of beta-TaON for solar-driven water splitting is hindered by limitations in phase purity, stoichiometry, crystallinity, visible-light absorption, carrier mobility, and high recombination rates. This study investigates the…

Nanostructured palladium foams offer exciting potential for applications in diverse fields such as catalyst, fuel cell, and particularly hydrogen storage technologies. We have fabricated palladium nanowire foams using a cross-linking and…

Pressurized hydrogen-rich compounds, which could be viewed as precompressed metallic hydrogen, exhibit high superconductivity, thereby providing a viable route toward the discovery of high-temperature superconductors. Of particular interest…

Superconductivity · Physics 2021-11-12 Hongyi Guan , Ying Sun , Hanyu Liu
‹ Prev 1 3 4 5 6 7 10 Next ›