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538.956 (7) |
Fizica materiei condensate. Fizica solidului (349) |
SM ISO690:2012 POPA, Mihail. Research of relaxation curves of photoconductivity of ZnS0,5Se0,5 thin films. In: Fizică şi tehnică: procese, modele, experimente, 2014, nr. 1, pp. 5-10. ISSN 1857-0437. |
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Fizică şi tehnică: procese, modele, experimente | ||||||
Numărul 1 / 2014 / ISSN 1857-0437 | ||||||
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CZU: 538.956 | ||||||
Pag. 5-10 | ||||||
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Rezumat | ||||||
This paper presents research of photoconductivity relaxation curves of ZnS0,5Se0,5 polycrystalline thin films. The value of stationary photoconductivity, ∆∂st, is reduced if the sample temperature in the moment of illumination increases from 81 K to 300 K. From the slope dependency type ln(∆∂/∆∂st)=f(t) the lifetime (t) of non-equilibrium charge carriers was calculated. The lifetime decreases with increasing sample temperature. |
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Cuvinte-cheie thin films, photoconductivity, relaxation curves, lifetime, :straturi subţiri, fotoconductivitate, curbele de relaxare, timpul de relaxare |
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