Computational File Repository: Recent submissions
Now showing items 2140 of 116

Modeling of Fe–W phase diagram using first principles and phonons calculations
In the present work, new descriptions of the thermodynamic properties of the Fe–W system were established based on the Calphad approach using the PARROT module of the ThermoCalc software. For the present work, existing ... 
Thermodynamic modeling of Laves phases in the Ta–V system: Reassessment using firstprinciples results
The Ta–V system is an interesting system exhibiting the existence of Laves phases among elements of the same group in the periodic system, and with an unusual order of stability of Laves phase structures at 0 K. Whereas ... 
Computational study of atomic mobility for bcc phase in Ti–Al–Fe system
Experimental diffusion data were critically assessed to develop the atomic mobility for the bcc phase of the Ti–Al–Fe system by using the DICTRA software. Good agreements were obtained from comprehensive comparisons made ... 
FirstPrinciples Calculations, Experimental Study, and Thermodynamic Modeling of the AlCoCr System
The phase relations and thermodynamic properties of the condensed AlCoCr ternary alloy system are investigated using firstprinciples calculations based on density functional theory (DFT) and phaseequilibria experiments ... 
Experimental study and thermodynamic modeling of the Al–Co–Cr–Ni system
A thermodynamic database for the Al–Co–Cr–Ni system is built via the Calphad method by extrapolating reassessed ternary subsystems. A minimum number of quaternary parameters are included, which are optimized using ... 
Thermodynamic modeling of Al–Co–Cr, Al–Co–Ni, Co–Cr–Ni ternary systems towards a description for Al–Co–Cr–Ni
The phase relations and thermodynamic properties of the Al–Co–Cr, Al–Co–Ni, Co–Cr–Ni ternary alloys are investigated using first principles calculations based on DFT (density functional theory). Their thermodynamic ... 
Thermodynamic assessment of the ordered B2 phase in the Ti–V–Cr–Al quaternary system
Thermodynamic assessment of the ordered B2 phase in the quaternary Ti–V–Cr–Al system is carried out. A set of selfconsistent thermodynamic parameters is presented. A twosublattice model (Al,Cr,Ti,V )0.5: (Al,Cr,Ti,V )0.5 ... 
Thermodynamic assessment of the AlNi system
The sublattice model is used to describe the thermodynamic behaviour of the ordered phases existing in the AlNi system. The model parameters are derived from an optimisation procedure using all available experimental ... 
Evaluation and comparison of classical interatomic potentials through a userfriendly interactive webinterface
Classical empirical potentials/forcefields (FF) provide atomistic insights into material phenomena through molecular dynamics and Monte Carlo simulations. Despite their wide applicability, a systematic evaluation of ... 
Strain effects on oxygen migration in perovskites: La[Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Ga]O3
(20160614)Fast oxygen transport materials are necessary for a range of technologies, including efficient and costeffective solid oxide fuel cells, gas separation membranes, oxygen sensors, chemical looping devices, and memristors. ... 
Al Melting Point Calculation Using SLUSCHI
We provide an example of melting temperature calculations using SLUSCHI (Solid and Liquid in UltraSmall Coexistence with Hovering Interfaces). 
Ab initio calculations of the lattice parameter and elastic stiffness coefficients of bcc Fe with solutes
(20160420)Density functional theory calculates the effects of substitutional Al, B, Cu, Mn, Si solutes, and octahedral interstitial C and N solutes on the lattice parameter and elastic stiffness coefficients of bcc Fe at 0 K. We ... 
Antiphase boundary energy of Ni3Al with Ti impurities from Monte Carlo simulations
(20160407){111}<110> antiphase boundary (APB) energy of Ni3Al with varying Ti impurity concentration (x=0.1, 1, 10%) and temperature (T=400, 600, 800, 1000, 1200, 1400, 1600 K) are obtained from cluster expansion and Monte Carlo ... 
TiX (X=Al, V, Nb, Ta, Mo, Zr, and Sn) impurity diffusion coefficients from firstprinciples calculations
Knowledge of diffusivity is fundamental to our understanding of diffusion mechanism and design of materials. Despite various elements dissolved in industrial Ti alloys to improve their performance, diffusion coefficients ... 
AlMg COST 507 Thermochemical database for light metal alloys
(199807)Bearing in mind the alloy categories defined by industrial partners at the beginning of the Action, a matrix was drawn up to define the binary systems forming the building blocks for the evaluation of higherorder systems. ... 
MoS2MoTe2
A first principles phase diagram calculation, that included van der Waals interactions, was performed for the system (1X)$\cdot$MoS$_{2}$(X)$\cdot$MoTe$_{2}$. Surprisingly, the predicted phase diagram has at least ... 
NaClKCl
First principles phase diagram calculations were performed for the system NaClKCl. Planewave pseudopotential calculations of formation energies were used as a basis for fitting cluster expansion Hamiltonians, both with ... 
AlCu Symmetric/Asymmetric Tilt Grain Boundary Dataset
Symmetric and asymmetric tilt grain boundaries in Cu and Al were generated using molecular statics energy minimization in LAMMPS with inplane grain boundary translations and an atom deletion criterion. The following ... 
Interaction Between Oxygen Interstitials and Deformation Twins in alphaTitanium
These data files provide input/output VASP and LAMMPS data along with spreadsheets containing data used to produce graphs in our abovereference article. The article abstract is: Twinning is an important deformation mechanism ... 
Facilitating the selection and creation of accurate interatomic potentials with robust tools and characterization
(20141208)The Materials Genome Initiative seeks to significantly decrease the cost and time of development of new materials. Within the domain of atomistic simulations, several roadblocks stand in the way of reaching this goal. While ...