COMPUTER SIMULATION OF QUANTUM DOT FORMATION DURING HETEROEPITAXIAL GROWTH OF THIN FILMS

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GHOLIPOUR SHAHRAKI MEHRAN; ESMAILI ESMAT

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Journal Paper

Paper Information

Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2013 | Volume:7 | Issue:7 Page(s): 1-5

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Title

COMPUTER SIMULATION OF QUANTUM DOT FORMATION DURING HETEROEPITAXIAL GROWTH OF THIN FILMS

Author(s)

GHOLIPOUR SHAHRAKI MEHRAN | ESMAILI ESMAT | Issue Writer Certificate

Keywords

HETEROEIPTAXIAL GROWTH

MONTE CARLO

QUANTUM DOTS

Abstract

Influence of mismatch on quantum dot formation during heteroepitaxial growth of thin films with zinc blende structure on GaAs substrate is investigated. A kinetic MONTE CARLO model is used for simulation of thin films with different values of lattice mismatch in the range of 4% to 14%. Simulation is performed at a substrate temperature of 700 K and deposition rate of 0.3 ML/s. Also, ‘reflection high-energy electron diffraction’ (RHEED) intensity of simulated thin films is evaluated during growth. Results of simulation show that at constant temperature and deposition rate, quantum dot size decreases with increasing lattice mismatch, and their distribution function becomes sharp. Simulated RHEED oscillations have a good agreement with morphology of simulated thin films, and results show that growth mode changed from Stranski-Krastanov to Volmer Webber by increasing lattice mismatch.

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APA: Copy

GHOLIPOUR SHAHRAKI, MEHRAN, & ESMAILI, ESMAT. (2013). COMPUTER SIMULATION OF QUANTUM DOT FORMATION DURING HETEROEPITAXIAL GROWTH OF THIN FILMS. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 7(7), 1-5. SID. https://sid.ir/paper/318727/en

Vancouver: Copy

GHOLIPOUR SHAHRAKI MEHRAN, ESMAILI ESMAT. COMPUTER SIMULATION OF QUANTUM DOT FORMATION DURING HETEROEPITAXIAL GROWTH OF THIN FILMS. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2013;7(7):1-5. Available from: https://sid.ir/paper/318727/en

IEEE: Copy

MEHRAN GHOLIPOUR SHAHRAKI, and ESMAT ESMAILI, “COMPUTER SIMULATION OF QUANTUM DOT FORMATION DURING HETEROEPITAXIAL GROWTH OF THIN FILMS,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 7, no. 7, pp. 1–5, 2013, [Online]. Available: https://sid.ir/paper/318727/en

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