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The approach of nonequilibrium evolution thermodynamics earlier offered is developed. It helps to describe the processes of defect formation within the adiabatic approximation. The basic equations system depends on the initial defects…

Materials Science · Physics 2015-10-23 A. V. Khomenko , D. S. Troshchenko , L. S. Metlov

The coherence of quantum dot qubits fabricated in semiconductors is often limited by charge noise from defects in gate dielectrics, which are material- and process-dependent. Characterizing these defects is an important step towards…

Aluminum alloys, the most widely utilized lightweight structural materials, predominantly depend on coherent complex-structured nano-plates to enhance their mechanical properties. Despite several decades of research, the atomic-scale…

Materials Science · Physics 2024-10-22 Junyuan Bai , Gaowu Qin , Xueyong Pang , Zhihao Zhao

A detailed study of the precipitation of the \gamma' (AlAg2) phase in undeformed aluminium-silver alloys has been conducted. Several previously unreported features were observed, including the formation of discrete three-dimensional…

Materials Science · Physics 2012-03-05 Julian M. Rosalie , Laure Bourgeois , Barrington C. Muddle

The future of space exploration and human settlement beyond Earth hinges on a deeper understanding of in space manufacturing processes. The unique physical conditions and scarcity of experimental data demand robust computational models to…

Materials Science · Physics 2025-09-04 Apurba Sarker , Sourav Saha

The superconducting and magnetic properties of phase-separated A$_x$Fe$_{2-y}$Se$_2$ compounds are known to depend on post-growth heat treatments and cooling profiles. This paper focusses on the evolution of microstructure on annealing, and…

We report on total-energy electronic structure calculations in the density-functional theory performed for the ultra-thin atomic layers of Si on Ag(111) surfaces. We find several distinct stable silicene structures:…

Mesoscale and Nanoscale Physics · Physics 2015-05-05 Zhi-Xin Guo , Atsushi Oshiyama

In Al2O3 suspensions, depending on the experimental conditions very different microstructures can be found, comprising fluid like suspensions, a repulsive structure, and a clustered microstructure. For technical processing in ceramics, the…

Soft Condensed Matter · Physics 2007-05-23 Martin Hecht , Jens Harting , Hans J. Herrmann

In this work, the effect of building direction on the microstructure evolution of laser-powder bed fusion (LPBF) processed AlSi10Mg alloy was investigated. The building direction, as shown in experimentally fabricated parts, can influence…

Grain size engineering, particularly reducing grain size into the nanocrystalline regime, offers a promising pathway to further improve the strength-to-weight ratio of Al alloys. Unfortunately, the fabrication of nanocrystalline metals…

Materials Science · Physics 2021-10-07 Tianjiao Lei , Jungho Shin , Daniel S. Gianola , Timothy J. Rupert

Mesoscale simulations of discrete defects in metals provide an ideal framework to investigate the micro-scale mechanisms governing the plastic deformation under high thermal and mechanical loading conditions. To bridge size and time-scale…

The crystallization of a binary system is investigated in computer model which takes into account a temperature dependence of diffusion coefficient and a nonequilibrium partition of dissolved component of the alloy. The dependence of…

Materials Science · Physics 2008-04-14 L. P. Tarabaev , V. O. Esin

Gold-Silver (Au-Ag) core-shell nanostructures are gaining importance in stretchable electronics where high tensile and fatigue resistance is of paramount importance. This work proposes the parameterization of a modified embedded atomic…

We study the nucleation dynamics of a model solid state transformation and the criterion for microstructure selection using a molecular dynamics (MD) simulation. Our simulations show a range of microstructures depending on the depth of…

Materials Science · Physics 2008-03-01 Jayee Bhattacharya , Arya Paul , Surajit Sengupta , Madan Rao

Additively manufactured (AM) alloys have heterogeneous microstructures with broad grain size distributions and highly anisotropic and/or non-convex grain shapes. AM components can have complex geometries and porosity which may affect the…

Applied Physics · Physics 2026-05-29 Vivian Tong , Hannah Zhang , Jacopo Del Gaudio , Ken Mingard , Ali Gholinia

A new \textit{D0$_{23}$} metastable phase of Cu$_3$Au is found to grow at the interfaces of Au/Cu multilayers deposited by magnetron sputtering. The extent of formation of this novel alloy phase depends upon an optimal range of interfacial…

Materials Science · Physics 2009-11-11 Subhendu Sarkar , Alokmay Datta , Purushottam Chakraborty , Biswarup Satpati

The search for effective methods to fabricate bulk single-phase quasicrystalline Al-Cu-Fe alloys is currently an important task. Crucial to solving this problem is to understand mechanisms of phase formation in this system. Here we study…

Chemical Physics · Physics 2020-01-08 L. V. Kamaeva , I. V. Sterkhova , V. I. Ladyanov , R. E. Ryltsev , N. M. Chtchelkatchev

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

Superconductivity · Physics 2009-11-10 D. D. Shivagan , P. M. Shirage , S. H. Pawar

We study multidimensional gravitational models with scalar curvature nonlinearities of the type 1/R and R^4. It is assumed that the corresponding higher dimensional spacetime manifolds undergo a spontaneous compactification to manifolds…

High Energy Physics - Theory · Physics 2007-05-23 Uwe Guenther , Alexander Zhuk , Valdir Bezerra , Carlos Romero

The microstructure of metals and foams can be effectively modelled with anisotropic power diagrams (APDs), which provide control over the shape of individual grains. One major obstacle to the wider adoption of APDs is the computational cost…

Materials Science · Physics 2024-05-22 Maciej Buze , Jean Feydy , Steven M. Roper , Karo Sedighiani , David P. Bourne