Effect of strain on alloying in InAs/GaAs heterostructure

S. Vannarat, Marcel H.F. Sluiter, Yoshiyuki Kawazoe

研究成果: Article

3 引用 (Scopus)


The effect of strain on alloying in semiconductor heterostructures is investigated by calculating the solution energy as a function of strain. The expression for the solution energy as a function of strain is obtained by expanding the homogeneous alloy energy in terms of composition and strain. An electronic structure calculation method is applied to calculate the material specific parameters for In-Ga-As system. The results are in good agreement with the results of a thermodynamic assessment. Strain in the InAs/GaAs heterostructure and the solution energy are computed as functions of the in-plane strain. The result shows that when the structure is under a large strain, dissolution can reduce the energy of the system.

ジャーナルJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
発行部数4 B
出版物ステータスPublished - 2002 4 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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