Electronic-structure methods for materials design
The accuracy and efficiency of electronic-structure methods to understand, predict and
design the properties of materials has driven a new paradigm in research. Simulations can …
design the properties of materials has driven a new paradigm in research. Simulations can …
First-principles calculations for point defects in solids
Point defects and impurities strongly affect the physical properties of materials and have a
decisive impact on their performance in applications. First-principles calculations have …
decisive impact on their performance in applications. First-principles calculations have …
[HTML][HTML] First principles phonon calculations in materials science
Phonon plays essential roles in dynamical behaviors and thermal properties, which are
central topics in fundamental issues of materials science. The importance of first principles …
central topics in fundamental issues of materials science. The importance of first principles …
[HTML][HTML] Ab initio phase stabilities and mechanical properties of multicomponent alloys: A comprehensive review for high entropy alloys and compositionally complex …
Multicomponent alloys with multiple principal elements including high entropy alloys (HEAs)
and compositionally complex alloys (CCAs) are attracting rapidly growing attention. The …
and compositionally complex alloys (CCAs) are attracting rapidly growing attention. The …
Ab initio thermodynamics of the CoCrFeMnNi high entropy alloy: Importance of entropy contributions beyond the configurational one
We investigate the thermodynamic properties of the prototype equi-atomic high entropy alloy
(HEA) CoCrFeMnNi by using finite-temperature ab initio methods. All relevant free energy …
(HEA) CoCrFeMnNi by using finite-temperature ab initio methods. All relevant free energy …
Achieving DFT accuracy with a machine-learning interatomic potential: Thermomechanics and defects in bcc ferromagnetic iron
We show that the Gaussian Approximation Potential (GAP) machine-learning framework can
describe complex magnetic potential energy surfaces, taking ferromagnetic iron as a …
describe complex magnetic potential energy surfaces, taking ferromagnetic iron as a …
[HTML][HTML] Magnetic Moment Tensor Potentials for collinear spin-polarized materials reproduce different magnetic states of bcc Fe
We present the magnetic Moment Tensor Potentials (mMTPs), a class of machine-learning
interatomic potentials, accurately reproducing both vibrational and magnetic degrees of …
interatomic potentials, accurately reproducing both vibrational and magnetic degrees of …
[HTML][HTML] Constrained DFT-based magnetic machine-learning potentials for magnetic alloys: a case study of Fe–Al
AS Kotykhov, K Gubaev, M Hodapp, C Tantardini… - Scientific Reports, 2023 - nature.com
We propose a machine-learning interatomic potential for multi-component magnetic
materials. In this potential we consider magnetic moments as degrees of freedom (features) …
materials. In this potential we consider magnetic moments as degrees of freedom (features) …
[HTML][HTML] First principles theory of the hcp-fcc phase transition in cobalt
Identifying the forces that drive a phase transition is always challenging. The hcp-fcc phase
transition that occurs in cobalt at~ 700 K has not yet been fully understood, although early …
transition that occurs in cobalt at~ 700 K has not yet been fully understood, although early …
[HTML][HTML] Ab initio vibrational free energies including anharmonicity for multicomponent alloys
The unique and unanticipated properties of multiple principal component alloys have
reinvigorated the field of alloy design and drawn strong interest across scientific disciplines …
reinvigorated the field of alloy design and drawn strong interest across scientific disciplines …