Raman Investigation of SiC Polytypes
โ Scribed by Nakashima, S. ;Harima, H.
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 480 KB
- Volume
- 162
- Category
- Article
- ISSN
- 0031-8965
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๐ SIMILAR VOLUMES
## Abstract A polytypic material grown under similar thermodynamic conditions occurs in several phases which are included as ordered and disordered ones. These phases occur with a minimum free energy difference โ kT. This relative free energy (stacking fault energy) has been evaluated here using di
## Abstract Raman spectra of three polytypes of lead iodide (2H, 4H and 6H) have been investigated as a function of temperature at ambient pressure. The band assignments have been carried out on the basis of folding of 2H๏ฃฟPbI~2~ phonon dispersion curves in the Brillouin zone. The temperature induce