Affiliation: | (1) Institute of Microelectronics and Optoelectronics PW, ul.Koszykowa 75, PL-00-662 Warsaw, Poland;(2) Institute of Electron Materials Technology, ul. Wólczyñska 133, PL-01-919 Warsaw, Poland;(3) Laboratoire de Physico-Chimie des Matériaux Luminescents, URA 442 du CNRS, Universite Lyon 1, Bât.205, F-69622 Villeurbanne, France |