Infrared luminescence of nickel-doped ZnSe crystals
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538.958 (16)
Fizica materiei condensate. Fizica solidului (349)
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SIRKELI, Vadim, RADEVICI, Ivan, IVANOVA, Galina, HUHTINEN, Hannu, SUSHKEVICH, Konstantin, NEDEOGLO, Natalia, NEDEOGLO, Dumitru, PATURI, Petriina. Infrared luminescence of nickel-doped ZnSe crystals. In: Știință, educație, cultura, 7 februarie 2014, Comrat. Comrat: Universitatea de Stat din Comrat, 2014, pp. 385-387. ISBN 978-9975-914-83-3.. ISSN 1857 - 2170.
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Știință, educație, cultura 2014
Conferința "Ştiinţă, educaţie, cultură"
Comrat, Moldova, 7 februarie 2014

Infrared luminescence of nickel-doped ZnSe crystals

CZU: 538.958

Pag. 385-387

Sirkeli Vadim123, Radevici Ivan12, Ivanova Galina3, Huhtinen Hannu1, Sushkevich Konstantin2, Nedeoglo Natalia2, Nedeoglo Dumitru2, Paturi Petriina1
 
1 University of Turku,
2 Moldova State University,
3 Comrat State University
 
 
Disponibil în IBN: 10 februarie 2023


Rezumat

Luminescent properties of nickel-doped ZnSe crystals with various impurity concentrations are investigated. The concentration of Ni2+ ions in ZnSe crystals has been varied from 0.001 to 0.5 at.%. Photoluminescent studies have confirmed the incorporation of Ni into ZnSe crystals. It is established that Ni forms multicharge (1+, 2+, 3+) acceptor centres in ZnSe, which are the quenching centres for visible and infrared photoluminescence. The emission band with maximum at 2612-2630 nm in infrared spectra of ZnSe:Ni crystals is attributed to 3T2(3F) → 3T1(3F) intrashell transitions within Ni2+ions.

Cuvinte-cheie
Zinc selenide, nickel, Diluted magnetic semiconductors, Semiconducting II–VI materials, Luminescence, defects.