Structural and compositional evolution of carbon-doped Ge2Sb2Te5 film under different annealing conditions
β Scribed by Kim, Ki-Hong; Kyoung, Yong-Koo; Yun, Dong-Jin; Choi, Sang-Jun
- Book ID
- 122856472
- Publisher
- Elsevier Science
- Year
- 2013
- Tongue
- English
- Weight
- 514 KB
- Volume
- 548
- Category
- Article
- ISSN
- 0040-6090
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## Abstract Optical absorption spectra of postβannealed Ge~2~Sb~2~Te~5~ films were measured in the photon energy range from 0.5 to 3.5βeV. Optical absorption edge and Urbach slope parameter changed slightly with increase in annealing temperature and then abrupt changes occurred at around crystalliz
## Abstract Amorphous thin films of SnSe~2~ and Ge~2~Sb~2~Te~5~ doped by different amount of silver (0.1, 0.2, 0.5 and 1 Ag atoms per formula unit) have been prepared by pulsed laser deposition (PLD) starting from solid polycrystalline targets. The films were investigated by Xβray diffraction (XRD)