Crystalline structure and photoluminescence of GaSe-CdSe nanocomposite
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535.37:548.571 (1)
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DMITROGLO, Liliana, EVTODIEV, Igor, CARAMAN, Iuliana, KANTSER, Valeriu, UNTILA, Dumitru, STAMATE, Marius D., GASHIN, Peter A.. Crystalline structure and photoluminescence of GaSe-CdSe nanocomposite. In: Moldavian Journal of the Physical Sciences, 2015, nr. 3-4(14), pp. 167-176. ISSN 1810-648X.
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Moldavian Journal of the Physical Sciences
Numărul 3-4(14) / 2015 / ISSN 1810-648X /ISSNe 2537-6365

Crystalline structure and photoluminescence of GaSe-CdSe nanocomposite
CZU: 535.37:548.571

Pag. 167-176

Dmitroglo Liliana1, Evtodiev Igor12, Caraman Iuliana3, Kantser Valeriu12, Untila Dumitru21, Stamate Marius D.3, Gashin Peter A.1
 
1 Moldova State University,
2 Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu" of the Academy of Sciences of Moldova,
3 "Vasile Alecsandri" University of Bacau
 
Disponibil în IBN: 25 martie 2016


Rezumat

A material consisting of CdSe and GaSe crystallites with average dimensions of 34 nm and 30 nm respectively was obtained by heat treatment at 753K and 853K of GaSe single crystal plates in Cd vapors during 24 hours. As a result of Cd atoms interaction with Se atoms CdSe layers are formed both onto outer surface and at interface of layered Se-Ga-Ga-Se packages. CdSe crystallites on the surface grow in the form of plates along C6 crystallographic axis. Photoluminescence spectra of the composite, at 78K and 300K, contain predominant bands from the luminescent emission of GaSe and CdSe components.