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Stephen Kang in Materials Science

Better Understanding, Lasting Impact, Scientific Progress

Read more about the article The mobility concept in charge transport: pitfalls

The mobility concept in charge transport: pitfalls

  • Post category:Teaching

Did you know that mobility can be a misleading metric in understanding charge transport? We explain the pitfalls of Drude mobility.

Continue ReadingThe mobility concept in charge transport: pitfalls
Read more about the article Force, Flux, and Irreversible Processes

Force, Flux, and Irreversible Processes

  • Post category:Teaching

Introduction to generalzied driving force (affinity) and flux for non-equilibrium thermodynamics. Entropy production and local equilibrium.

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Read more about the article Types of Diffusivities

Types of Diffusivities

  • Post category:Teaching

Why is chemical diffusivity similar to defect diffusivity, not self-diffusivity? How's tracer diffusivity related? Here's a guide to diffusion coefficients.

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Read more about the article Fick’s Law: Thermodynamic Origin

Fick’s Law: Thermodynamic Origin

  • Post category:Teaching

Using the generalized thermodynamic driving force, we find where the definition of diffusivity comes from.

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About Me

About Me

Stephen Dongmin Kang

Materials Scientist
Electron and Ion Transport
Non-equilibrium Thermodynamics
Senior Staff Scientist@Stanford

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Better Understanding, Lasting Impact, Scientific Progress.