Condensed Matter


Charged Particle Diffusion and Segregation in Solid and Liquid

Authors: Yuanjie Huang

Solute particle transport in solid and liquid is of paramount important for people to understand its roles and tune the corresponding functions. In this work, we find a new mechanism for the transport, specifically, an internal electric field originating from solute atom concentration gradient based on Yuheng Zhang equation. This electric field is found to have a dramatic effect on transport of solute particles in solid and liquid. It either facilitates or prohibit solute particle diffusion, and may give birth to a threshold concentration above which segregation happens. Also because of this internal electric field, transport of one type of solute atom can be tuned by another type of particles. At last, segregation for solute particles at solid-liquid interface is investigated and it may arise from Haiyan Zang potential, an electric potential at interfaces once phase transformations happen. These findings may help people understand and tune related particle transport in solid and liquid

Comments: 13 Pages.

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Submission history

[v1] 2019-02-16 04:17:18

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