Grain boundary diffusion in columnar structure polycrystalline materials
Abstract
A simple but rigorous solution is developed for the problem of grain boundary diffusion in columnar structure semi-infinite polycrystalline materials. It is demonstrated that by means of a Laplace transformation the rigorous solution of Whipple is, under an appropriate condition, obtainable even when the simplifying assumption of Fisher is maintained. This method is advantageous since it can be easily extended to media of finite thickness. It is suggested that this method will be useful for the accurate estimation of grain boundary diffusion profiles in solid-state devices, such as low-cost diffused solar cells.
- Publication:
-
Electronics Letters
- Pub Date:
- April 1983
- DOI:
- 10.1049/el:19830205
- Bibcode:
- 1983ElL....19..294R
- Keywords:
-
- Grain Boundaries;
- Polycrystals;
- Self Diffusion (Solid State);
- Semiconductors (Materials);
- Mathematical Models;
- Semiconductor Devices;
- Solid-State Physics