Spin relaxation dynamics in highly uniform InAs quantum dots

A. Tackeuchi, R. Ohtsubo, K. Yamaguchi, M. Murayama, T. Kitamura, T. Kuroda, T. Takagahara

研究成果: Article

55 引用 (Scopus)

抜粋

The carrier spin dynamics in self-assembled InAs quantum dots (QD) was investigated using spin dependent time-resolved photoluminescence (PL) measurements. The spin dynamics was observed in ground state and second state without disturbance of inhomogeneous broadening in highly uniform QDs. The spin relaxation time in ground state was 1.0 ns and second state was 0.6 ns. The results show decrease in spin relaxation time from 1.1 ns at 10 K to 200 ps at 130 K.

元の言語English
ページ(範囲)3576-3578
ページ数3
ジャーナルApplied Physics Letters
84
発行部数18
DOI
出版物ステータスPublished - 2004 5 3

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Tackeuchi, A., Ohtsubo, R., Yamaguchi, K., Murayama, M., Kitamura, T., Kuroda, T., & Takagahara, T. (2004). Spin relaxation dynamics in highly uniform InAs quantum dots. Applied Physics Letters, 84(18), 3576-3578. https://doi.org/10.1063/1.1737068