| Conţinutul numărului revistei |
| Articolul precedent |
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 117 0 |
 SM ISO690:2012ARUSHANOV, Ernest, KULYUK, Leonid, KULIKOVA, Olga, TEZLEVAN, Victor, FERNANDEZ-RUIZ, Ramon, LEON, Maximo. Optical study of monocrystalline CuIn4Se6. In: Journal of Physics D: Applied Physics, 2001, vol. 34, pp. 3480-3484. ISSN 0022-3727. DOI: https://doi.org/10.1088/0022-3727/34/24/309 |
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  Journal of Physics D: Applied Physics |
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| Volumul 34 / 2001 / ISSN 0022-3727 /ISSNe 1361-6463 | ||||||
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| DOI:https://doi.org/10.1088/0022-3727/34/24/309 | ||||||
| Pag. 3480-3484 | ||||||
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| Rezumat | ||||||
Single crystals of CuIn4Se6 were grown for the first time. Compositional measurements carried out by TXRF, EDAX and ICP-MS techniques show that the prepared crystals were Se-rich and Cu-poor. The optical properties of the single crystals have been investigated by absorption measurements in the temperature range of 85-300 K. The temperature dependence of the band gap Eg was studied by means of a three-parameter thermodynamic model and the Einstein model. The presence of an Urbach exponential edge was shown and the temperature dependence of the Urbach tail width was studied in the framework of the Einstein model. |
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| Cuvinte-cheie absorption, Crystal growth, energy dispersive spectroscopy, Energy gap, Inductively coupled plasma, Mass spectrometry, optical properties, single crystals, Temperature distribution, thermodynamics |
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