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AlInAs Band Gap Modulations Observed by Tem and Optical Measurements

  • E. Bearzi (a1), T. Benyattou (a1), C. Bru-Chevallier (a1), G. Guillot (a1), J. C. Harmand (a2), O. Marty (a3) and M. Pitaval (a3)...

Abstract

At a low MBE growth temperature (400°C), an anisotropic composition modulation has been observed by Transmission Electron Microscopy (TEM) on AIlnAs layers. Optical measurements have been performed on these samples and compared with classical AllnAs grown at 530°C. We show the clustering “organization” on the low temperature layers and we propose some hypothesis to explain the composition modulation effects on the AlInAs optical properties.

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