Browsing Closed by Author "Godlewski, Marek"

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Browsing Closed by Author "Godlewski, Marek"

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  • Guziewicz, Elzbieta; Godlewski, Marek; Kopalko, Krzysztof; Lusakowska, Elzbieta; Dynowska, Elzbieta; Guziewicz, Marek; Phillips, Matthew (Elsevier Science, 2004)
    Thin films of sphalerite-type ZnSe were grown by atomic layer deposition (ALD) from elemental Zn and Se precursors. These films, grown on various substrates, show bright blue `edge? emission accompanied by donor?acceptor ...
  • Godlewski, Marek; Goldys, Ewa; Butcher, Kenneth; Phillips, Matthew; Pakula, Krzysztof; Baranowski, Jacek (Wiley-VCH Verlag, 2001)
  • Godlewski, Marek; Mackowski, Sebastien; Karczewski, Grzegorz; Goldys, Ewa; Phillips, Matthew (IOP Publishing, 2001)
    We report the results of low-temperature photoluminescence, room-temperature cathodoluminescence (CL) and scanning CL and electron microscopy of self-organized CdTe/ZnTe quantum dot (QD) structure. The in-depth profiling ...
  • Godlewski, Marek; Skrobot, M; Guziewicz, Elzbieta; Phillips, Matthew (Elsevier Science Bv, 2007)
    In this paper we discuss light emission from thin films of ZnSe obtained by atomic layer deposition (ALD). Due to the color mixing of band edge and two deep defect-related emissions of ZnSe, the ALD films emit white light. ...
  • Godlewski, Marek; Yatsunenko, S; Drozdowicz-Tomsia, Krystyna; Goldys, Ewa; Phillips, Matthew; Klar, Peter; Heimbrodt, Wolfram (Polish Academy of Sciences, 2005)
    We demonstrate coexistence of slow and fast components of photoluminescence decay of the Mn?^(+) intra-shell emission in nanoparticles of CdMnS. We explain the observed decrease in PL lifetime of the Mn?^(+) intra-shell ...
  • Tomaszewska-Grzeda, A; Lojkowski, W; Godlewski, Marek; Yatsunenko, S; Drozdowicz-Tomsia, Krystyna; Goldys, Ewa; Phillips, Matthew (Polish Academy of Sciences, 2005)
    In this work we evaluate structural and optical properties of ZnO nanoparticles grown by wet chemistry method. Light emission properties of these nanoparticles are studies with cathodoluminescence and microphotoluminescence. ...
  • Godlewski, Marek; Phillips, Matthew; Czernecki, R; Targowski, G; Perlin, Piotr; Leszczynski, M; Figge, Stephan; Hommel, Detlef (Polish Academy of Sciences, 2005)
    Cathodoluminescence is applied for evaluation of in-depth and in-plane variations of light emission from two types of GaN-based laser diode structures. We evaluate in-depth properties of the laser diode emission and ...
  • Godlewski, Marek; Yatsunenko, S; Ivanov, V Yu; Drozdowicz-Tomasia, K; Goldys, Ewa; Phillips, Matthew; Klar, Peter; Heimbrodt, Wolfram (American Institute of physics, 2007)
    Intra-shell transitions of transition metal and rare earth ions are parity forbidden processes. For Mn2+ ions this is also a spin forbidden process, i.e., light emission should be inefficient. Surprisingly, it has been ...
  • Godlewski, Marek; Yatsunenko, S; Ivanov, V Yu; Khachapuridze, A; Swiatek, Krzysztof; Goldys, Ewa; Phillips, Matthew; Klar, Peter; Heimbrodt, Wolfram (Polish Academy of Sciences, 2005)
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  • Godlewski, Marek; Guziewicz, Elzbieta; Kopalko, Krzysztof; Lusakowska, Elzbieta; Dynowska, Elzbieta; Goldys, Ewa; Phillips, Matthew (Elsevier Science Bv, 2003)
    We discuss light emission properties from thin films of ZnSe grown by atomic layer epitaxy on GaAs (1 0 0). White color emission is observed in photoluminescence and cathodoluminescence, due to the observation of three RGB ...
  • Godlewski, Marek; Goldys, Ewa; Phillips, Matthew; Bottcher, T; Figge, Stephan; Hommel, Detlef; Czernecki, R; Prystawko, P; Leszczynski, M; Perlin, Piotr; Wisniewski, P; Suski, T; Bockowski, M; Grzegory, Izabella; Porowski, Sylvek (Polish Academy of Science, 2002)
    Scanning and spot-mode cathodoluminescence investigations of homo- and hetero-epitaxial GaN films indicate a surprisingly small influence of their microstructure on overall intensity of a light emission. This we explain ...