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Related papers: Light-weight sodium alanate thin films grown by re…

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The ability of atomic hydrogen to chemisorb on graphene makes the latter a promising material for hydrogen storage. Based on scanning tunneling microscopy techniques, we report on site-selective adsorption of atomic hydrogen on convexly…

We have demonstrated a method to disperse and exfoliate graphite to give graphene suspended in water-surfactant solutions. Optical characterisation of these suspensions allowed the partial optimisation of the dispersion process.…

Materials Science · Physics 2008-09-17 Y Hernandez , M Lotya , V Nicolosi , FM Blighe , S De , G Duesberg , JN Coleman

(001)-oriented thin films of the three-dimensional Dirac semimetal cadmium arsenide can realize a quantum spin Hall insulator and other kinds of topological physics, all within the flexible architecture of epitaxial heterostructures. Here,…

Materials Science · Physics 2019-04-02 David A. Kealhofer , Honggyu Kim , Timo Schumann , Manik Goyal , Luca Galletti , Susanne Stemmer

Zinc nitride films were synthesized by reactive radio frequency (rf) magnetron sputtering of a zinc target using an Ar+N2 mixture. The as-deposited films were annealed in the air and O2 at 300 {\deg}C for 1 hr. The XRD measurements…

Materials Science · Physics 2023-01-18 Ting Wen , Ahalapitiya H Jayatissa

The Hydrogenated Diamond Like Carbon (HDLC) thin films are deposited on Silicon substrate at room temperature using asymmetric capacitively coupled RF plasma with varying flow rates of methane. These films are undergone annealing at high…

Materials Science · Physics 2015-06-18 J Datta , H S Biswas , P Rao , G L N Reddy , S Kumar , N R Ray , D P Chowdhury , A V R Reddy

Highly oriented VO2 thin films were grown on sapphire substrates by the sol-gel method that includes a low pressure annealing in an oxygen atmosphere. This reduction process effectively promotes the formation of the VO2 phase over a…

Materials Science · Physics 2007-05-23 Byung-Gyu Chae , Hyun-Tak Kim , Sun-Jin Yun , Bong-Jun Kim , Yong-Wook Lee , Doo-Hyeb Youn , Kwang-Yong Kang

We use molecular dynamics (MD) to simulate an unstable homogeneous mixture of binary fluids (AB), confined in a slit pore of width $D$. The pore walls are assumed to be flat and structureless, and attract one component of the mixture (A)…

Disordered Systems and Neural Networks · Physics 2009-11-11 S. K. Das , S. Puri Jawaharlal , J. Horbach , Kurt Binder

In this work, we characterized gadolinium oxide films deposited on silicon by high pressure sputtering with a two-step process: first, we sputtered metallic gadolinium in an argon atmosphere and then, we performed an in-situ plasma…

Materials Science · Physics 2024-02-05 María Ángela Pampillón , Pedro Carlos Feijoo , Enrique San Andrés

We report a first-principles study, which demonstrates that a single Ti atom coated on a single-walled nanotube (SWNT) binds up to four hydrogen molecules. The first H$_2$ adsorption is dissociative with no energy barrier while other three…

Materials Science · Physics 2009-11-11 T. Yildirim , S. Ciraci

We study the behavior of very thin liquid films wetting homogeneous planar and spherical substrates. In order to describe a simple fluid at very small scales, we employ a classical density functional theory (DFT). Here, we model a fluid…

Statistical Mechanics · Physics 2017-01-10 Andreas Nold

We present a theoretical study on the impact of an active optical layer on the emission properties of an ultrathin luminescent film. While the study can be generalized to any material, we focus here on a simple layered medium composed of a…

Materials Science · Physics 2015-06-16 R. Aad , S. Blaize , A. Bruyant , C. Couteau , G. Lérondel

We theoretically investigate the ground-state properties of a molecular para-hydrogen (p-H2) film in which crystallization is energetically frustrated by embedding sodium (Na) atoms periodically distributed in a triangular lattice. In order…

Materials Science · Physics 2015-06-17 Claudio Cazorla , Jordi Boronat

In recent years, metal hydride research has become one of the driving forces of the high-pressure community, as it is believed to hold the key to superconductivity close to ambient temperature. While numerous novel metal hydride compounds…

Thin-film transistors composed of a hydrogen-containing indium oxide active layer are promising candidates for backplane devices in next-generation flat panel displays, offering higher definition and faster operation. However, the hydrogen…

We report a novel method of growing strongly-disordered superconducting titanium nitride (TiN) thin films by reactive electron-beam deposition. The normal state sheet resistance and superconducting critical temperature (Tc) can be tuned by…

Superconductivity · Physics 2022-01-05 Raymond Mencia , Yen-Hsiang Lin , Vladimir Manucharyan

Adsorption properties of chain fluids are of interest from both fundamental and industrial points of view. Density Functional Theory (DFT) based models are among the most appropriate techniques allowing to describe surface phenomena. At the…

Statistical Mechanics · Physics 2019-02-20 Timur Aslyamov , Vera Pletneva , Aleksey Khlyupin

Studying crystal structures of superprotonic phases of alkali metal hydrogen sulfates and selenates, a very unusual phenomenon has been revealed. Dynamically disordered hydrogen atoms with low position occupancies are clearly seen in…

Materials Science · Physics 2009-07-23 Boris V. Merinov

The formation of highly reactive oxygen species (ROS) on metal oxide surfaces have attracted considerable interest due to their diverse applications. In this work, we have performed densi-ty-functional theory calculations to investigate the…

Chemical Physics · Physics 2016-08-18 Zhenjun Song , Hu Xu

Cryogenic atom probe tomography (cryo-APT) is being developed to enable nanoscale compositional analyses of frozen liquids. Yet, the availability of readily available substrates that allow for the fixation of liquids while providing…

The structure of an adsorption octadecanamide film at the planar toluene-water interface is studied by X-ray reflectometry using synchrotron radiation with photon energy of 15 keV. The electron density (polarizability) profiles, according…

Soft Condensed Matter · Physics 2020-04-22 Aleksey M. Tikhonov , Yurii O. Volkov