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Träfflista för sökning "WFRF:(Murayama Y.) srt2:(2001-2004)"

Search: WFRF:(Murayama Y.) > (2001-2004)

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  • Chen, Weimin, 1959-, et al. (author)
  • Efficient spin depolarization in ZnCdSe spin detector : an important factor limiting optical spin injection efficiency in ZnMnSe/CdZnSe spin light-emitting structures
  • 2004
  • In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 85, s. 5260-
  • Journal article (peer-reviewed)abstract
    •  Spin depolarization of a ZnCdSe quantum-well spin detector (SD) in ZnMnSe/ZnCdSe light-emitting quantum structures is investigated by cw and time-resolved optical orientation spectroscopy. It is shown that spin depolarization is governed by three distinct spin relaxation processes with the corresponding polarization decay times of 850, 30, and <10 ps. The dominant and the fastest process is attributed to spin relaxation accompanying energy relaxation of hot excitons (and hot carriers) within the SD, providing evidence that it can be an important source of spin loss, leading to the observed limited efficiency of optical spin injection in the structures.
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  • Oyama, S., Ishii, M., Murayama, Y., Shinagawa, H., Buchert, S., Fujii, R. and Kofman, W. (author)
  • Generation of atmospheric gravity waves associated with auroral activity in the polar F region
  • 2001
  • In: Journal of Geophysical Research. ; 106, s. 18543-
  • Journal article (peer-reviewed)abstract
    • Relations between auroral activities and the generation of neutral-wind oscillations in the polar F region (150-300 km) were investigated using data from the European Incoherent Scatter (EISCAT) radar, the all-sky auroral camera, and the IMAGE (Internatio
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  • Result 1-5 of 5

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