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Local structural change of amorphous Ge–Sb–Te thin film on annealing

✍ Scribed by Muneyuki Naito; Manabu Ishimaru; Yoshihiko Hirotsu; Masaki Takashima


Book ID
116668057
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
430 KB
Volume
345-346
Category
Article
ISSN
0022-3093

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The study of structural changes of amorp
✍ Gotoh, Tamihiro ;Kawarai, Kenta 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 204 KB

## Abstract Optical absorption spectra of post‐annealed Ge~2~Sb~2~Te~5~ films were measured in the photon energy range from 0.5 to 3.5 eV. Optical absorption edge and Urbach slope parameter changed slightly with increase in annealing temperature and then abrupt changes occurred at around crystalliz