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Conferences > CLEOPR > 2015 > 27J2 > 27J2_7
  • 2015 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2015),
  • paper 27J2_7

Micro-Raman investigations of free-standing GaAs/AlGaAs single quantum well (SQW) microtubes

Yunxia Gao, Qi Wang, Zhihong Pan, Xiankun Wang, Hao Liu, and Xiaomin Ren

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Abstract

The micro-Raman spectra of as-grown area SQW GaAs/AlGaAs shows 281, 378 cm-1 for GaAs-like LO, AlAs-like LO of AlGaAs barrier, demonstrating two-mode behavior. For rolled-up microtubes, all LO modes shifted to lower frequencies.

© 2015 IEEE

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