Emulating microstructural evolution during spinodal decomposition using a tensor decomposed convolutional and recurrent neural network

P Wu, AS Iquebal, K Ankit - Computational Materials Science, 2023 - Elsevier
Phase-field (PF) models are one of the most powerful tools to simulate microstructural
evolution in metallic materials, polymers, and ceramics. However, existing PF approaches …

[HTML][HTML] 3-D phase-field simulations of self-organized composite morphologies in physical vapor deposited phase-separating binary alloys

K Ankit, B Derby, R Raghavan, A Misra… - Journal of Applied …, 2019 - pubs.aip.org
We use 3D phase-field simulations to investigate the role of deposition rates and atomic
mobilities on morphological self-structuring in phase-separating, vapor-deposited alloys …

[HTML][HTML] Nanostructural evolution in vapor deposited phase-separating binary alloy films of non-equimolar compositions: Insights from a 3D phase-field approach

R Raghavan, A Mukherjee, K Ankit - Journal of Applied Physics, 2020 - pubs.aip.org
A rich variety of self-organized nanoscale patterns evolve during physical vapor deposition
of phase-separating alloy films. However, our limited understanding of the fundamental …

Phase-field study of electromigration-induced shape evolution of a transgranular finger-like slit

J Santoki, A Mukherjee, D Schneider, M Selzer… - Journal of Electronic …, 2019 - Springer
Electromigration damage due to void propagation in thin films has garnered much attention
due to its implications for efficient design of interconnects. Voids can drift along the line …

A novel data-driven emulator for predicting electromigration-mediated damage in polycrystalline interconnects

P Wu, W Farmer, A Iquebal, K Ankit - Journal of Electronic Materials, 2023 - Springer
Electromigration (EM)-induced diffusional transport of metal atoms, which can manifest as
the defects of grain boundary slits and voids in a metal line, often fail an entire electronic …

A Globally Convergent Modified Newton Method for the Direct Minimization of the Ohta--Kawasaki Energy with Application to the Directed Self-Assembly of Diblock …

L Cao, O Ghattas, JT Oden - SIAM Journal on Scientific Computing, 2022 - SIAM
We propose a fast and robust scheme for the direct minimization of the Ohta--Kawasaki
energy that characterizes the microphase separation of diblock copolymer melts. The …

Effect of conductivity on the electromigration-induced morphological evolution of islands with high symmetries of surface diffusional anisotropy

J Santoki, A Mukherjee, D Schneider… - Journal of Applied …, 2021 - pubs.aip.org
We report on the electromigration-induced morphological evolution of islands (vacancies,
precipitates, and homoepitaxial adatom clusters) using a phase-field method with high …

A phase-field investigation of the effect of grain-boundary diffusion on austenite to ferrite transformation

A Bhattacharya, K Mondal, CS Upadhyay… - Computational Materials …, 2020 - Elsevier
We study the transformation of austenite to ferrite under the influence of Grain-Boundary
(GB) diffusion. In order to simulate identical level of penetration of solute through GB as …

Electric-field-induced lamellar to hexagonally perforated lamellar transition in diblock copolymer thin films: kinetic pathways

A Mukherjee, K Ankit, A Reiter, M Selzer… - Physical Chemistry …, 2016 - pubs.rsc.org
Symmetric block-copolymers, hitherto, are well known to evolve into parallel, perpendicular
and mixed lamellar morphologies under the concomitant influence of an electric field and …

Effect of co-existing external fields on a binary spinodal system: A phase-field study

R Chafle, S Bhowmick, R Mukherjee - Journal of Physics and Chemistry of …, 2019 - Elsevier
We develop a phase-field model, integrating both micromagnetic and microelastic
approaches. The model can capture the impact of eigen strain, applied stress and elastic …