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High thermal stability of photoluminescence in a disordered quantum wire superlattice (2001)

Liu, X. Q. ; Sasaki, A. ; Ohno, N.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 90 (2001), S. 6363-6366

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: A randomly disordered quantum wire superlattice (d-QWR-SL) structure was fabricated by means of metalorganic vapor phase epitaxy. Photoluminescence (PL) and the carrier lifetime properties were investigated systematically. The PL intensity was found to be independent of temperatures below 170 K. This thermally stable feature was due to dramatic suppression of the nonradiative recombination in the wire region. The carrier lifetime measurement confirmed the high thermal PL stability in the d-QWR-SL structure. This high thermal PL stability may be due to the state localization in the d-QWR-SL structures. © 2001 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1416853

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