The sum-rule relation among phenomenological transport coefficients and its consequences in the analysis of collective diffusion problems | Zendy

Irina V. Belova | Zendy; Graeme E. Murch | Zendy

Open Access

The sum-rule relation among phenomenological transport coefficients and its consequences in the analysis of collective diffusion problems

Author(s) -

Irina V. Belova,

Graeme E. Murch

Publication year - 2004

Publication title -

physical chemistry chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.053

H-Index - 239

eISSN - 1463-9084

pISSN - 1463-9076

DOI - 10.1039/b316170f

Subject(s) - diffusion , sum rule in quantum mechanics , relation (database) , phenomenological model , statistical physics , thermodynamics , vacancy defect , alkali metal , field (mathematics) , halide , chemistry , condensed matter physics , chemical physics , physics , mathematics , computer science , quantum mechanics , data mining , inorganic chemistry , pure mathematics , quantum chromodynamics

In this paper, we discuss the sum-rule that relates the phenomenological coefficients in the multicomponent random alloy system in the case where the isolated vacancy mechanism is operating. We present applications of this sum-rule to intrinsic diffusion in multicomponent alloys, intrinsic diffusion in mixed alkali halides and demixing of multicomponent transition metal oxides in an oxygen potential gradient and an electric field. In each case, a very substantial simplification in the analysis is made possible because of the sum-rule

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