Zobrazeno 1 - 10
of 15
pro vyhledávání: '"E. Loftus Allnatt"'
Publikováno v:
Journal of Physics: Condensed Matter. 10:5295-5308
Approximate expressions are derived for the phenomenological coefficients for vacancy-mechanism matter transport in a nearest-neighbour interaction lattice gas model of a concentrated binary alloy using the Kikuchi-Sato jump frequency model. These ex
Publikováno v:
Canadian Journal of Chemistry. 76:1548-1553
The time correlation functions associated with the Onsager phenomenological coefficients for isothermal matter transport have been calculated by Monte Carlo simulation for a binary system (A,B) at the equiatomic composition according to the Kikuchi-S
Publikováno v:
Philosophical Magazine A. 76:615-631
Approximate expressions are derived for the phenomenological coefficients for vacancy-mechanism matter transport in a simple model of an alloy which can order in certain states. The leading coefficients (moments) in the Taylor series expansions in po
Publikováno v:
Philosophical Magazine A. 71:291-306
The time correlation function associated with the phenomenological coefficients for matter transport in a s.c. binary random alloy with a very small vacancy content has been calculated by Monte Car...
Autor:
E. Loftus Allnatt, A. R. Allnatt
Publikováno v:
Philosophical Magazine A. 66:165-171
The tracer diffusion coefficients for a strictly regular solution model of a binary f.c.c. alloy with a very small vacancy content have been calculated by Monte Carlo simulations of the tracer correlation factors, mean jump frequencies and vacancy av
Autor:
E. Loftus Allnatt, A. R. Allnatt
Publikováno v:
Philosophical Magazine Letters. 64:393-399
A Monte Carlo simulation method for the calculation of the frequency-dependent electrical conductivity and the associated time correlation function is illustrated for a two sublattice vacancy migration model, and some discrepancies with current kinet
Autor:
E. Loftus Allnatt, A. R. Allnatt
Publikováno v:
Philosophical Magazine A. 64:777-786
Diffusion by the interstitialcy mechanism is studied for a hexagonal lattice of two interpenetrating triangular lattices of substitutional and interstitial sites. The tracer correlation factor is calculated exactly in the limits of low and high inter
Autor:
A. R. Allnatt, E. Loftus Allnatt
Publikováno v:
Philosophical Magazine A. 64:341-353
The phenomenological coefficients and the tracer diffusion coefficients for a strictly regular solution model of a binary f.c.c. alloy with a very small vacancy content have been calculated by Monte Carlo simulations for four temperatures above the c
Autor:
E. Loftus Allnatt, A. R. Allnatt
Publikováno v:
The Journal of Chemical Physics. 76:3249-3259
Solutions of the hypernetted chain equations have been obtained for temperatures from 50 to 450 °C for models of the Coulombic lattice gas of cation vacancies and impurity ions in AgCl doped with 0.5% to 5% of CdCl2. The method, based on coupled New
Autor:
A. R. Allnatt, E. Loftus Allnatt
Publikováno v:
The Journal of Chemical Physics. 72:70-76
The Helmholtz free energy and radial distribution functions were calculated for impurity and vacancy point defects in AgCl doped with 1–5 mole % CdCl2 at 250 °C. The model assumed a Coulombic interaction except at the nearest‐neighbor separation