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Selected optical properties of core/shell ZnMnTe/ZnO nanowire structures
Author(s) -
Gas Katarzyna,
Janik Elżbieta,
Zaleszczyk Wojciech,
Dynowska Elżbieta,
Kutrowski Mirosław,
Kamińska Agnieszka,
Morhange JeanFrançois,
Wachnicki Łukasz,
Wojciechowski Tomasz,
Hołyst Robert,
Godlewski Marek,
Guziewicz Elżbieta,
Wojtowicz Tomasz,
Szuszkiewicz Wojciech
Publication year - 2011
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.201001150
Subject(s) - photoluminescence , materials science , crystallite , nanowire , raman spectroscopy , scanning electron microscope , raman scattering , layer (electronics) , chemical vapor deposition , nanotechnology , optoelectronics , optics , composite material , metallurgy , physics
We report here on selected optical properties of core/shell Zn 1− x Mn x Te/ZnO nanowires (NWs). The Zn 1− x Mn x Te cores of the investigated structures (containing from 3.5 to 7% of Mn) were grown by the MBE technique using gold‐catalyzed vapor–liquid–solid mechanism. Polycrystalline ZnO shells coating Zn 1− x Mn x Te NWs were overgrown by the atomic layer deposition (ALD) method. Core/shell NWs were then examined by scanning electron microscopy (SEM), X‐ray diffraction (XRD), Raman scattering, and photoluminescence (PL) measurements. The lines characteristic of the ZnO band edge emission and the intra‐Mn 2+ transition were observed in the PL spectra. Modification of the Raman spectra of as‐grown Zn 1− x Mn x Te samples induced by the ZnO shell is demonstrated and discussed.