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| Ultima descărcare din IBN: 2020-05-29 12:27 |
 SM ISO690:2012UNTILA, Dumitru. Absorbtia luminii si fotoluminescenta cristalelor gase:eu . In: Studia Universitatis Moldaviae (Seria Ştiinţe Exacte şi Economice), 2012, nr. 2(52), pp. 70-75. ISSN 1857-2073. |
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| Studia Universitatis Moldaviae (Seria Ştiinţe Exacte şi Economice) | ||||||
| Numărul 2(52) / 2012 / ISSN 1857-2073 /ISSNe 2345-1033 | ||||||
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| Pag. 70-75 | ||||||
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GaSe monocrystals doped with 0,025%, 0,068%, 0,49% at. Eu, optically transparent in wavelengths domain λ>650 nm,
were grown by Bridgman method. In addition to structural defects in ...Se-Ga-Ga-Se... stratified package, introduction
of the Eu impurities in GaSe leads to the formation of Eu3 luminescence centers. On the elementary package surface of
GaSe doped with 0,49% at. Eu, there are neutral Eu atoms, what by thermic treatment at 400÷450ºC are forming a Eu2O3
and Ga2O3 composite layer |
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