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Thermodynamic and kinetic mechanisms in self-assembled quantum dot formation

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Authors
Barabási, Albert László
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Keywords
General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
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Barabasi-Albert-Laszlo3_1999.pdf
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https://hdl.handle.net/20.500.14018/27200
Abstract
Heteroepitaxial growth of highly strained structures offers the possibility to fabricate islands with very narrow size distribution, coined self-assembling quantum dots (SAQD). In spite of the high experimental interest, the mechanism of SAQD formation is not well understood. We will show that equilibrium theories can successfully predict the island sizes and densities, the nature and the magnitude of the critical thickness needed to be deposited for SAQD formation, as well as the onset of ripening. Furthermore, the flux and temperature dependence of the SAQDs is described using kinetic Monte Carlo simulations.
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Date
1999-12-08
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ISBN
Identifiers
10.1016/S0921-5107(99)00205-6
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Network and Data Science