English
Related papers

Related papers: Surface Reduction Boosts Free Electron Concentrati…

200 papers

Due to their high energy density (2600 Wh/kg), low cost, and low environmental impact, lithium-sulfur batteries are considered a promising alternative to lithium-ion batteries. However, their commercial viability remains a formidable…

MXenes are a family of two-dimensional (2D) carbides and nitrides that display extraordinary electrical, optical, chemical, and electrochemical properties. There is a perception that MXenes are unstable and degrade quickly, limiting…

Applied Physics · Physics 2023-12-20 Asaph Lee , Mikhail Shekhirev , Mark Anayee , Yury Gogotsi

Structural properties of Mild Steel have been modified by embedding Carbon Nanotubes in its matrix. The embedment was done by forming a composite at the surface of MS with the help of a thermionic electron beam source at an acceleration…

Materials Science · Physics 2015-05-12 Munawar Iqbal , Adeela Nairan , M. Ayub Faridi

MXenes are a family of 2D transition metal carbides and nitrides with remarkable properties and great potential for energy storage and catalysis applications. However, their oxidation behavior is not yet fully understood, and there are…

Exciton dissociation plays a crucial role in the performance of optoelectronic devices based on two-dimensional (2D) transition metal dichalcogenides (TMDs). In this work, we investigate the effect of an in-plane electric field on the…

Materials Science · Physics 2024-10-11 Tao Zhu , Chenhang Zheng , Lei Xu , Ming Yang

Two-dimensional (2D) material-controllable degradation under light radiation is crucial for their photonics and medical-related applications, which are yet to be investigated. In this paper, we first report the laser illumination method to…

Applied Physics · Physics 2019-06-04 Jiebo Li , Ruzhan Qin , Li Yan , Zhen Chi , Zhihao Yu , Mingjun Hu , Hailong Chen , Guangcun Shan

Interface engineering is one of the promising strategies for the long-term stabilization of perovskite solar cells, preventing chemical decomposition induced by external agents and promoting fast charge transfer. Recently, MXenes-2D…

Recent decades have witnessed the breakthroughs in utilizing electron beams as the smallest tools to tailor materials. Whereas, the manipulation of atoms in a controllable manner by the electron beams is a long-time challenge due to the…

Materials Science · Physics 2019-04-30 H. Zhang , T. Hu , W. Sun , M. M. Hu , R. F. Cheng , X. H. Wang

The catalytic reduction of $\mathrm{CO_{2}/CO}$ is an appealing approach for reducing greenhouse gas concentrations while also producing renewable energy. We used two-dimensional transitional metal carbides known as Mxenes as the most…

Chemical Physics · Physics 2023-06-21 Tewodros Eyob Ada , Kenate Nemera Nigussa , Cecil N. M. Ouma

A convenient method has been developed to thin electron beam fabricated Silicon nanopillars under controlled surface manipulation by transforming the surface of the pillars to an oxide shell layer followed by the growth of sacrificial…

Mesoscale and Nanoscale Physics · Physics 2015-12-29 S Kalem , P Werner , B Nilsson , V G Talalaev , M Hagberg , O Arthursson , U Sodervall

Recently, a logarithmic decrease of conductivity has been observed in topological insulators at low temperatures, implying a tendency of localization of surface electrons. Here, we report quantum transport experiments on the topological…

Mesoscale and Nanoscale Physics · Physics 2014-10-09 Hong-Chao Liu , Hai-Zhou Lu , Hong-Tao He , Baikui Li , Shi-Guang Liu , Qing Lin He , Gan Wang , Iam Keong Sou , Shun-Qing Shen , Jiannong Wang

We compute from first principles the electronic, vibrational, and transport properties of four known MXenes compound : Ti3C2, Ti3C2F2, Ti3C2(OH)2, and Ti2CF2. We study the effect of different surface terminations and monosheet thickness on…

Materials Science · Physics 2023-05-24 Nesrine Boussadoune , Olivier Nadeau , Gabriel Antonius

The unique optical properties of graphene, with broadband absorption and ultrafast response, make it a critical component of optoelectronic and spintronic devices. Using time-resolved momentum microscopy with high data rate and high dynamic…

We use a cooled Scanning Probe Microscope (SPM) to electron motion in nanoscale devices. The charged tip of the SPM is raster scanned at a constant height above the surface as the conductance of the device is measured. The image charge…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Sagar Bhandari , Gil-Ho Lee , Philip Kim , Robert M. Westervelt

This master's thesis investigates the thermal and photochemical dehydrogenation of ethylbenzene (EB) to styrene on the rutile TiO$_{2}$(110) surface. A dual-methodological quantum chemical approach is used for this investigation. While…

Materials Science · Physics 2026-04-30 Nico Yannik Merkt

Low and selective infrared emission materials are necessary for next generation thermal technologies, including passive heating, infrared identification, and photothermal conversion. Here, we report on the intrinsic infrared radiation…

Applied Physics · Physics 2021-05-11 Meikang Han , Danzhen Zhang , Christopher Eugene Shuck , Yury Gogotsi

The compositional and structural flexibility of functionalised two-dimensional metal carbonitrides or MXenes has been exploited through a combinatorial search for new materials that can act as catalysts for photo-assisted water splitting by…

Materials Science · Physics 2024-04-05 Swati Shaw , Subhradip Ghosh

Ti$_3$C$_2$T$_X$ nano-sheets (MXenes) are an emerging class of two-dimensional materials with outstanding potential to be employed in energy storage, catalysis, and triboelectric applications, on length scales ranging from the nano- to…

Applied Physics · Physics 2021-10-06 A. Rodriguez , M. S. Jaman , O. Acikgoz , B. Wang , J. Yu , P. G. Grutzmacher , A. Rosenkranz , M. Z. Baykara

Surface enhanced Raman spectroscopy (SERS) was used to probe the surface chemistry of chlorine-terminated silicon nanocrystal (Si-NC) surfaces in an air-free environment. SERS effect was observed from the thin films of Ag$_x$O using 514 nm…

Materials Science · Physics 2016-06-28 İlker Doğan , Ryan Gresback , Tomohiro Nozaki , Mauritius C. M. van de Sanden

Zr-based MXenes recently attracted attention because of its experimental preparation showing temperature stability, mechanical strength, and promising energy, sensoric, and electrochemistry applications. However, necessary theoretical…

Materials Science · Physics 2024-07-18 Jiří Kalmár , František Karlický