WorldCat Identities

Elder, Kate 1850-1940

Works: 12 works in 16 publications in 1 language and 1,071 library holdings
Roles: Author
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Most widely held works by Kate Elder
Two component structural phase field crystal model for graphene symmetries by Kate Elder( )

1 edition published in 2017 in English and held by 2 WorldCat member libraries worldwide

"This research introduces a new variant of the structural phase field crystal (XPFC) model to simulate graphene, a two-dimensional (2D) carbon allotrope, both in single component form or in a mixture with a second component. The work was loosely motivated by recent experiments of graphene crystal growth in the presence of hydrogen on 2D copper surfaces using chemical vapour deposition (CVD). The XPFC model is based on a classical density functional expansion of the Helmholtz free energy up to two-point particle interactions. The free energy is a functional of the atomic number density. In the case of a two-component mixture, the mass density field is also coupled to the concentration of solute atoms. In the spirit of the experiments that motivated this project, the concentration field in this work will represent the local number density of hydrogen atoms divided by the total number density of hydrogen and carbon atoms. Dynamics of the mass density and concentration fields are simulated using dissipative conserved dynamics with stochastic noise. The single component version of the model is first used to investigate the growth of polycrystal graphene, focusing on the structure of defects at grain boundaries. The two-component version is used to study dendritic nano-structures in graphene, with particular emphasis on the role of solute concentration (hydrogen) on dendritic branch morphology. The two-component model is also used to study the effect of solute concentration on the stability of grain boundaries in polycrystalline graphene. Dynamical simulations of the model reproduce 5-7 grain boundaries and demonstrate that hydrogen shows a propensity for migrating to graphene polycrystalline grain boundaries. The model reveals that adding hydrogen to the graphene growth process produces dendritic structures and increasing the hydrogen concentration leads to increased dendritic anisotropy." --
Audience Level
Audience Level
  Kids General Special  
Audience level: 0.15 (from 0.01 for Who was Bi ... to 1.00 for The Lily o ...)

The lady and Doc Holliday
Alternative Names
Big Nose Kate

Big Nose Kate, 1850-1940

Big Nose Kate companion of Doc Holliday

Big Nose Kate prostituée américaine, compagne de Duc Holliday

Big Nose Kate US-amerikanische Prostituierte

Haroney, Mary Catherine, 1850-1940


English (15)