Browsing General by Author "Godlewski, Marek"

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Browsing General by Author "Godlewski, Marek"

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  • Godlewski, Marek; Yatsunenko, S; Drozdowicz-Tomsia, Krystyna; Goldys, Ewa; Klar, Peter; Heimbrodt, Wolfram; Phillips, Matt (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, Matt (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; Czernecki, R; Targowski, G; Perlin, Piotr; Leszczynski, M; Figge, Stephan; Hommel, Detlef; Phillips, Matt (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; Khachapuridze, A; Swiatek, Krzysztof; Goldys, Ewa; Klar, Peter; Heimbrodt, Wolfram; Phillips, Matt (Polish Academy of Sciences, 2005)
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  • Godlewski, Marek; Goldys, Ewa; Bottcher, T; Figge, Stephan; Hommel, Detlef; Czernecki, R; Prystawko, P; Leszczynski, M; Perlin, Piotr; Wisniewski, P; Suski, T; Bockowski, M; Grzegory, Izabella; Porowski, Sylvek; Phillips, Matt (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 ...
  • Wojcik, Aleksandra; Kopalko, Krzysztof; Godlewski, Marek; Lusakowska, Elzbieta; Guziewicz, Elzbieta; Minikayev, Roman; Paszkowicz, Wojciech; Swiatek, Krzysztof; Klepka, Marcin; Jakiela, Rafal; Kiecana, Michel; Sawicki, Maciej; Dybko, Krzysztof; Phillips, Matt (Institute of Physics, Wroclaw University of Technology and SPIE - The International Society for Opti, 2005)
    We discuss properties of thin films of ZnO and ZnMnO grown with atomic layer epitaxy using new, organic zinc and manganese precursors. Several characterization techniques, including X-ray diffraction, atomic force microscopy, ...