Zobrazeno 1 - 10
of 309
pro vyhledávání: '"Elder, K. A."'
Publikováno v:
Phys. Rev. Mater. 8, 104002 (2024)
We investigate the growth of two-dimensional (2D) crystals on fluctuating surfaces using a phase field crystal model that is relevant on atomic length and diffusive time scales. Motivated by recent experiments which achieved unprecedented fast growth
Externí odkaz:
http://arxiv.org/abs/2409.12090
Publikováno v:
Phys. Rev. Mater. 8, 104003 (2024)
In this work the influence of $5|7$ dislocations in multiplayer graphene stacks (up to six layers) is examined. The study is conducted through a recently developed Phase Field Crystal (PFC) model for multilayer systems incorporating out-of-plane defo
Externí odkaz:
http://arxiv.org/abs/2409.12073
Publikováno v:
Phys. Rev. Materials 7, 024003 (2023)
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 that incorporates out-of-plane deformations. The system parameters are de
Externí odkaz:
http://arxiv.org/abs/2301.08820
Akademický článek
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Publikováno v:
Phys. Rev. Materials 3, 095603 (2019)
The formation and dynamics of a wide variety of binary two-dimensional ordered structures and superlattices are investigated through a phase field crystal model with sublattice ordering. Various types of binary ordered phases, the phase diagrams, and
Externí odkaz:
http://arxiv.org/abs/1908.09404
Publikováno v:
Phys. Rev. Lett. 122, 126103 (2019)
The ability to use external magnetic fields to influence the microstructure in polycrystalline materials has potential applications in microstructural engineering. To explore this potential and to understand the complex interactions between electroma
Externí odkaz:
http://arxiv.org/abs/1811.07710
Publikováno v:
Phys. Rev. Materials 2, 053804 (2018)
We address a three-dimensional, coarse-grained description of dislocation networks at grain boundaries between rotated crystals. The so-called amplitude expansion of the phase-field crystal model is exploited with the aid of finite element method cal
Externí odkaz:
http://arxiv.org/abs/1803.03233
Publikováno v:
Phys. Rev. Lett. 118, 255501 (2017)
Understanding and controlling the properties and dynamics of topological defects is a lasting challenge in the study of two-dimensional materials, and is crucial to achieve high-quality films required for technological applications. Here grain bounda
Externí odkaz:
http://arxiv.org/abs/1705.07822
We study the mass transport dynamics of an adsorbed layer near a discontinuous incommensurate striped-honeycomb phase transition via numerical simulations of a coarse-grained model focusing on the motion of domain walls rather than individual atoms.
Externí odkaz:
http://arxiv.org/abs/1612.01750
Publikováno v:
Phys. Rev. E 95, 022105 (2017)
We describe a general method to model multicomponent ordered crystals using the phase-field crystal (PFC) formalism. As a test case, a generic B2 compound is investigated. We are able to produce a line of either first-order or second-order order-diso
Externí odkaz:
http://arxiv.org/abs/1610.06556