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Polar optical modes in Fibonacci heterostructures

✍ Scribed by R. Pérez-Álvarez; F. García-Moliner; C. Trallero-Giner; V. R. Velasco

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
66 KB
Volume
31
Category
Article
ISSN
0377-0486

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✍ O. Pagès; M. A. Renucci; O. Briot; R. L. Aulombard 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 263 KB 👁 1 views

Raman measurements on ZnSe/GaAs heterostructures show unusual behaviour of the optical phonon modes from ZnSe. High epitaxy rates are responsible for both poor structural quality at the interface and Fermi level pinning by carrier traps. The Ðrst e †ect gives rise, beyond a critical thickness, to po