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IOP Publishing, Nanotechnology, 1(17), p. 244-249, 2005

DOI: 10.1088/0957-4484/17/1/041

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Ultrafast spectroscopy of stimulated emission in single ZnO tetrapod nanowires

Journal article published in 2005 by A. B. Djurišić, W. M. Kwok ORCID, Y. H. Leung, W. K. Chan, D. L. Phillips, M. S. Lin, S. Gwo, S. Djurisic AB;Kwok WM;Leung YH;Chan WK;Phillips DL;Lin MS;Gwo
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

2010109010072 ; 物理系 ; Stimulated emission from single ZnO tetrapod nanowires was studied by time-resolved photoluminescence (TRPL) spectroscopy. The samples were excited by a 300 fs pulse and the emission spectra collected as a function of time. The spectra exhibit a change in the position and the shape of the emission peak with time. The time evolution of the emission spectra was studied for different pump excitation fluences. The spectra exhibited a blue shift with increasing pump fluence, while for all pump fluences a red shift of the peaks with time was obtained. Possible reasons for the observed behaviour are discussed.