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Raman and Photoluminescence Characterization of FIB Patterned AIGaAs/GaAs Multiple Quantum Wells

  • Ahn Goo Choo (a1), Xuelong. Cao (a1), Spirit Tlali (a1), Howard E. Jackson (a1), Peter Chen (a2), Andrew J. Steckl (a2) and Joseph T. Boyd (a2)...

Abstract

Raman and photoluminescence (PL) spectra have been used to characterize A10.3Ga0.7As/GaAs multiple quantum well (MQW) structures that have been patterned by focused ion beam (FIB) implantation followed by rapid thermal annealing (RTA). Microprobe Raman scattering is used to identify the appropriate RTA and FIB implantation conditions that provide for removal of implantation-induced damage and for compositional intermixing. FIB patterned wire-like structures are characterized by spatially resolved PL spectra.

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1. Kumar, M., Gupta, V., Debrabander, G. N., Chen, P., Boyd, J. T., Steckl, A. J., Choo, A. G., Jackson, H. E., Burnham, R. D., and Smith, S. C., IEEE Photonics Tech. Lett. 4, 435 (1993).
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