122 citations · 832 across the 26 of their papers we have counts for
15 papers · 1 filter
Moiré patterns and inversion boundaries in graphene/hexagonal boron nitride bilayers
K. R. Elder, Zhi-Feng Huang, T. Ala-Nissila
In this paper a systematic examination of graphene/hexagonal boron nitride (g/hBN) bilayers is presented, through a recently developed two-dimensional phase field crystal model tha…
Atomic ordering and phase separation in lateral heterostructures and multijunctions of ternary two-dimensional hexagonal materials
Zhi-Feng Huang
The growth and microstructural properties of ternary monolayers of two-dimensional hexagonal materials are examined, including both individual two-dimensional crystalline grains an…
Control of phase ordering and elastic properties in phase field crystals through three-point direct correlation
Zi-Le Wang, Zhirong Liu, Wenhui Duan +1
Effects of three-point direct correlation on properties of the phase field crystal (PFC) modeling are examined, for the control of various ordered and disordered phases and their c…
Yielding and jerky plasticity of tilt grain boundaries in high-temperature graphene
Wenquan Zhou, Jincheng Wang, Bo Lin +3
Graphene is well known for its extraordinary mechanical properties combining brittleness and ductility. While most mechanical studies of graphene focused on the strength and brittl…
Grain rotation and coupled grain boundary motion in two-dimensional binary hexagonal materials
Brendon Waters, Zhi-Feng Huang
The dynamical mechanisms underlying the grain evolution and growth are of fundamental importance in controlling the structural properties of large-scale polycrystalline materials,…
Elastic constants of stressed and unstressed materials in the phase field crystal model
Zi-Le Wang, Zhi-Feng Huang, Zhirong Liu
A general procedure to investigate the elastic response and calculate the elastic constants of stressed and unstressed materials through continuum field modeling, particularly the…
Scaling of alloy interfacial properties under compositional strain
Zhi-Feng Huang
Complex morphologies and microstructures that emerge during materials growth and solidification are often determined by both equilibrium and kinetic properties of the interface and…
Grain rotation and lattice deformation during photoinduced chemical reactions revealed by in-situ X-ray nanodiffraction
Zhifeng Huang, Matthias Bartels, Rui Xu +8
In-situ X-ray diffraction (XRD) and transmission electron microscopy (TEM) have been used to investigate many physical science phenomena, ranging from phase transitions, chemical r…
Complex order-parameter phase-field models derived from structural phase-field-crystal models
Nana Ofori-Opoku, Jonathan Stolle, Zhi-Feng Huang +1
The phase-field-crystal (PFC) modeling paradigm is rapidly emerging as the model of choice when investigating materials phenomena with atomistic scale effects over diffusive time s…
Exploring the complex world of two-dimensional ordering with three modes
Simiso Mkhonta, Ken Elder, Zhi-Feng Huang
The world of two-dimensional crystals is of great significance for the design and study of structural and functional materials with novel properties. The world of two-dimensional c…
Scale coupling and interface pinning effects in the phase-field-crystal model
Zhi-Feng Huang
Effects of scale coupling between mesoscopic slowly-varying envelopes of liquid-solid profile and the underlying microscopic crystalline structure are studied in the phase-field-cr…
Nonlinear effects for island coarsening and stabilization during strained film heteroepitaxy
Champika G. Gamage, Zhi-Feng Huang
Nonlinear evolution of three-dimensional strained islands or quantum dots in heteroepitaxial thin films is studied via a continuum elasticity model and the development of a nonline…
Phase field crystal dynamics for binary systems: Derivation from dynamical density functional theory, amplitude equation formalism, and applications to alloy heterostructures
Zhi-Feng Huang, K. R. Elder, Nikolas Provatas
The dynamics of phase field crystal (PFC) modeling is derived from dynamical density functional theory (DDFT), for both single-component and binary systems. The derivation is based…
Morphological instability, evolution, and scaling in strained epitaxial films: An amplitude equation analysis of the phase field crystal model
Zhi-Feng Huang, Ken Elder
Morphological properties of strained epitaxial films are examined through a mesoscopic approach developed to incorporate both the film crystalline structure and standard continuum…
Amplitude expansion of the binary phase field crystal model
K. R. Elder, Zhi-Feng Huang, Nikolas Provatas
Amplitude representations of a binary phase field crystal model are developed for a two dimensional triangular lattice and three dimensional BCC and FCC crystal structures. The rel…