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Related papers: Atomistic structure of amorphous silicon nitride f…

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Molecular-like carbon-nitrogen complexes in GaAs are investigated both experimentally and theoretically. Two characteristic high-frequency stretching modes at \num{1973} and \SI{2060}{cm^{-1}}, detected by Fourier transform infrared…

Detailed understanding of the structural and photophysical properties of polymeric carbon nitride (PCN) materials is of critical importance to derive future material optimization strategies towards more desirable optical properties and more…

Materials Science · Physics 2022-08-05 Changbin Im , Björn Kirchhoff , Igor Krivtsov , Dariusz Mitoraj , Radim Beranek , Timo Jacob

Doping stoichiometric SiNx layers (x=[N]/[Si]=1.33) with Si atoms by ultra-low energy ion implantation (ULE-II) and annealing them at different temperatures can significantly impact the switching characteristics. Electrical characterization…

We report the first measurements of the dynamics of liquid germanium (l-Ge) by quasi-elastic neutron scattering on time-of-flight and triple-axis spectrometers. These results are compared with simulation data of the structure and dynamics…

Disordered Systems and Neural Networks · Physics 2016-08-18 Virginie Hugouvieux , Emmanuel Farhi , Mark R. Johnson , Fanni Juranyi , Philippe Bourges , Walter Kob

We review the current status of experimental and theoretical understanding of the axial nucleon structure at low and moderate energies. Topics considered include (quasi)elastic (anti)neutrino-nucleon scattering, charged pion…

High Energy Physics - Phenomenology · Physics 2015-06-25 Véronique Bernard , Latifa Elouadrhiri , Ulf-G. Meißner

The cross section for coherent elastic neutrino-nucleus scattering (CE$\nu$NS) depends on the response of the target nucleus to the external current, in the Standard Model (SM) mediated by the exchange of a $Z$ boson. This is typically…

High Energy Physics - Phenomenology · Physics 2020-10-26 Martin Hoferichter , Javier Menéndez , Achim Schwenk

The atomic structure of well-ordered single steps on the Si(111)-\sqrt{3}\times\sqrt{3}-Sn surface and the dynamics of Sn adatoms in the vicinity of these steps was studied. The work was performed using low-temperature scanning tunneling…

Materials Science · Physics 2021-09-29 R. A. Zhachuk , D. I. Rogilo , A. S. Petrov , D. V. Sheglov , A. V. Latyshev , S. Colonna , F. Ronci

The interaction of energetic ions with the electronic and ionic system of target materials is an interesting but challenging multi-scale problem and understanding of the early stages after impact of heavy, initially charged ions is…

Materials Science · Physics 2020-07-29 Cheng-Wei Lee , James A. Stewart , Stephen M. Foiles , Rémi Dingreville , André Schleife

Amorphous silica density at ambient pressure is known to depend on thermal history (through the quenching rate) but also, at room temperature, on the maximum pressure applied in the past. Here we show that beyond density, a mechanical…

Other Condensed Matter · Physics 2009-05-15 Cindy Linn Rountree , Damien Vandembroucq , Mehdi Talamali , Elisabeth Bouchaud , Stéphane Roux

Symmetry considerations are at the core of the major frameworks used to provide an effective mathematical representation of atomic configurations that is then used in machine-learning models to predict the properties associated with each…

Chemical Physics · Physics 2021-12-22 Jigyasa Nigam , Michael Willatt , Michele Ceriotti

Uranium nitrides have been the subject of intense research owing to their potential applications as advanced nuclear fuels. However, the phase diagram of the U-N system at low temperature and high pressure still remains unclear. In this…

Computational Physics · Physics 2018-04-03 Dawei Zhou , JiaHui Yu , Chunying Pu , Yuling Song

These lectures introduce the non-specialist to the evaluation of spin structure functions from asymmetries measured in polarized deep-inelastic scattering experiments. The various steps leading from apparatus dependent counting rate…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Windmolders

We report detailed experimental investigation of the transport and magnetic properties of orthorhombic NiSi along with first principles studies of this phase and related nickel silicides. Neutron scattering shows no evidence for magnetism,…

Materials Science · Physics 2016-03-31 Ashutosh Dahal , Jagath Gunasekera , Leland Harringer , Deepak K. Singh , David J. Singh

Explicit molecular dynamics simulations were applied to a pair of amorphous silica nanoparticles of diameter 3.2 nm immersed in a background electrolyte. Mean forces acting between the pair of silica nanoparticles were extracted at four…

Chemical Physics · Physics 2007-09-11 S. Jenkins , S. R. Kirk , M. Persson , J. Carlen , Z. Abbas

Amorphous solids, which show characteristic differences from crystals, are common in daily usage. Glasses, gels, and polymers are familiar examples, and polymers are particularly important in terms of their role in construction and…

Materials Science · Physics 2021-01-22 Kin On Ho , Man Yin Leung , Yiu Yung Pang , King Cho Wong , Ping Him Ng , Sen Yang

Solid-state cooling using barocaloric materials is a promising avenue for eco-friendly, inexpensive and highly efficient cooling. To design barocaloric compounds ready for deployment, it is essential to understand their thermodynamic…

Materials Science · Physics 2022-08-31 Bernet E. Meijer , Guanqun Cai , Franz Demmel , Helen C. Walker , Anthony E. Phillips

Methyl thionitrite CH$_3$SNO is an important model of S-nitrosated cysteine aminoacid residue (CysNO), a ubiquitous biological S-nitrosothiol (RSNO) involved in numerous physiological processes. Here, we report accurate structure and…

Chemical Physics · Physics 2017-09-13 Dmitry G. Khomyakov , Qadir K. Timerghazin

High-performance materials rely on small reorganization energies to facilitate both charge separation and charge transport. Here, we performed DFT calculations to predict small reorganization energies of rectangular silicene nanoclusters…

We analyze the prospect of measuring the neutron form factor of a nucleus through the detection of neutrino-nucleus coherent elastic scattering. We predict numbers of events in a liquid noble nuclear recoil detector at a stopped pion…

High Energy Physics - Phenomenology · Physics 2007-08-13 Philip S. Amanik , Gail C. McLaughlin

New theoretical and experimental investigation of the occupied and unoccupied local electronic density of states (DOS) are reported for alpha-Li3N. Band structure and density functional theory calculations confirm the absence of covalent…

Materials Science · Physics 2009-11-13 T. T. Fister , G. T. Seidler , E. L. Shirley , F. D. Vila , J. J. Rehr , K. P. Nagle , J. C. Linehan , J. O. Cross