Photoluminescence characterization of Cu2ZnGeS4 single crystals
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S. Levcenko; M. Guc; C. Merschjann; G. Gurieva; S. Schorr; M. Lux-Steiner; E. Arushanov;
Photoluminescence characterization of Cu2ZnGeS4 single crystals
AbstractOptical properties of the Cu2ZnGeS4 bulk single crystals were characterized by using Raman spectroscopy and photoluminescence spectroscopy technique. The strongest lattice vibration mode of this compound observed at 359 cm–1 and less intensive modes at 273, 291, 332, 370, 383, 405 and 414 cm–1. PL spectra of the Cu2ZnGeS4 consist of dominant broad emission band located at about 1.40 eV and a less intensive near 2.00 eV at 4.5 K. The observed PL bands were attributed to the donor acceptor pair transitions, with activation energy of 37 (140) meV for dominant and less intensive band, respectively. (© 2013 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
- Freie Universität Berlin Germany
- Moldova State University Moldova (Republic of)
- Academy of Sciences of Moldova Moldova (Republic of)
- Moldova State University, Institute of Applied Physics Moldova (Republic of)
- Helmholtz Association of German Research Centres Germany
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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