Scanning photoluminescence microscopy on GaAs/AlGaAs single quantum wire at room temperature

Z.F. Li; Wei Lu; Xingquan Liu; Shuechu Shen; Ying Fu; Magnus Willander; Hark Hoe Tan; Chennupati Jagadish

doi:10.1117/12.408429

29 November 2000 Scanning photoluminescence microscopy on GaAs/AlGaAs single quantum wire at room temperature

Z.F. Li, Wei Lu, Xingquan Liu, Shuechu Shen, Ying Fu, Magnus Willander, Hark Hoe Tan, Chennupati Jagadish

Proceedings Volume 4086, Fourth International Conference on Thin Film Physics and Applications; (2000) https://doi.org/10.1117/12.408429
Event: 4th International Conference on Thin Film Physics and Applications, 2000, Shanghai, China

Abstract

The micro-photoluminescence ((mu) -PL) scanning has been performed on a GaAs/AlGaAs single V-grooved quantum wire (QWR) along the direction perpendicular to the wire. The variation of (mu) -PL spectra in different spatial positions with different quantum structures have been observed. In the region of QWR the PL spectra contain the peaks from QWR, necking quantum well and vertical quantum well while in that of about 1 micrometers leaving away from the QWR the PL spectra show only the peaks from side-wall quantum well and top quantum well. All the acquired spectra have been fitted by Gaussian line shape and the different PL components are decomposed. The intensity variation with the spatial position directly demonstrates the origin of the PL correlated to the different quantum structures. The PL energy for the each quantum structures has been precisely determined.

Citation Download Citation

Z.F. Li, Wei Lu, Xingquan Liu, Shuechu Shen, Ying Fu, Magnus Willander, Hark Hoe Tan, and Chennupati Jagadish "Scanning photoluminescence microscopy on GaAs/AlGaAs single quantum wire at room temperature", Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); https://doi.org/10.1117/12.408429

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