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Sökning: WFRF:(Solnyshkov DD)

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1.
  • Kyutt, R N, et al. (författare)
  • X-ray diffraction determination of the interface structure of CdSe/BeTe superlattices
  • 2003
  • Ingår i: Journal of Physics D. - : Iop Publishing Ltd. - 0022-3727 .- 1361-6463. ; 36:10A, s. A166-A171
  • Tidskriftsartikel (refereegranskat)abstract
    • Structural study of CdSe/BeTe superlattices (SLs) grown by molecular beam epitaxy on GaAs substrate was performed by using double and triple crystal x-ray diffractometry. The period of the studied structures was about 5 nm, while the thickness of thin CdSe insertions varied from 0.4 to 1.5 monolayer. It is shown that new Be-Se bonds arise at the BeTe-CdSe interfaces in addition to the Be-Se bonds expected at the CdSe-BeTe interfaces. From the analysis of the diffraction curves of 002-reflection the complex composition of interfaces and thin insertions has been determined and contribution of all types of bonds in each SL period calculated. The diffraction curves of 004-reflection were used for the specification of the fine structure of the interfaces.
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2.
  • Shubina, Tatiana, et al. (författare)
  • Interface effects in type-II CdSe/BeTe quantum dots
  • 2002
  • Ingår i: Physica status solidi. B, Basic research. - 0370-1972 .- 1521-3951. ; 229:1, s. 489-492
  • Tidskriftsartikel (refereegranskat)abstract
    • We report on optical and structural studies of the interface symmetry in CdSe/BeTe multiple-layer structures containing self-assembled quantum dots. Temperature and decay behavior of the broad photoluminescence (PL) band is consistent with the type-II transitions involving deeply localized electron states. Large linear in-plane polarization of the PL (up to 80%) is observed, implying the C-2v (or lower) symmetry of the individual places of the electron localization.
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  • Resultat 1-2 av 2

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