Title
Symmetry and electronic states of <tex>$Mn^{2+}$</tex> in ZnS nanowires with mixed hexagonal and cubic stacking Symmetry and electronic states of <tex>$Mn^{2+}$</tex> in ZnS nanowires with mixed hexagonal and cubic stacking
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. :American Institute of Physics ,
Subject
Physics
Source (journal)
Applied physics letters / American Institute of Physics. - New York, N.Y., 1962, currens
Volume/pages
97(2010) :4 , p. 041918,1-041918,3
ISSN
0003-6951
1077-3118
ISI
000281059200038
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Electron spin resonance and electronic spectroscopy techniques were used to study the symmetry and electronic structure of Mn2+ dopants in solvothermally synthesized ZnS nanowires. The average diameter of ∼ 5 nm leads to the observable quantum confinement effects in the photoluminescence excitation spectra. The results clearly demonstrate the three symmetry locations of Mn2+ incorporation. Together with the inferred Mn2+ center densities, these data indicate a much higher efficiency of Mn2+ substitution in the nanowire sample with about two times larger diameter.
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