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Więcej informacji o Understanding the Growth of Dilute Nitrides from First-Principles

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Opis

Due to the large band-gap bowing associated with low N contents in III-V semiconductors, ternary and quaternary dilute nitride alloys have sparked interest over the last years for a wide range of technological applications. However, the realization of these alloys has been hampered by several challenges such as the extremely low equilibrium solubility of N and composition fluctuations. In order to overcome these challenges a detailed understanding of the growth of these alloys at the atomic level is crucial. Therefore, by employing state-of-the art first-principles calculations, this work provides (i) a detailed study of the thermodynamic N solubility limits at technologically relevant GaAs and InAs surfaces/subsurfaces as function of growth conditions, and (ii) the kinetic mechanisms for N adatoms that affect and control their incorporation, such as adatom diffusion and surface/subsurface substitution. A detailed analysis of the interplay between thermodynamics and kinetics allowed to predict the optimum conditions for N incorporation and to explain experimental results. This study provides a prototype for understanding the growth highly mismatched multi-component alloys.

Szczegóły książki

Kategoria Książki po angielsku Mathematics & science Physics

• Pełny tytuł: Understanding the Growth of Dilute Nitrides from First-Principles
• Podtytuł: The Delicate Interplay Between Thermodynamics and Kinetics
• Autor: Hazem Abu Farsakh
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 176
• EAN: 9783838122151
• ISBN: 3838122151
• ID: 06854745
• Wydawca: Sudwestdeutscher Verlag Fur Hochschulschriften AG
• Waga: 268 g
• Wymiary: 229 × 152 × 10 mm
• Data wydania: 22. December 2010

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