| Autor: |
Museur, Luc, Kanaev, Andrei |
| Rok vydání: |
2009 |
| Předmět: |
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| Zdroj: |
Journal of Material Science 44, 10 (2009) 2560 |
| Druh dokumentu: |
Working Paper |
| DOI: |
10.1007/s10853-009-3334-x |
| Popis: |
We report on spectroscopic study of pyrolytic hBN (pBN) by means of time- and energy- resolved photoluminescence methods. A high purity of pBN samples (though low crystallinity) allows complementary information about excited states involved into the luminescence process. We affirm our recent conclusions about the impurity-related nature of most of the fluorescence bands in microcrystalline hBN. In addition, a broad band centred at 3.7 eV previously not considered because of its superposition with an intense structured impurity emission is attributed to the radiative recombination of deep DAPs. |
| Databáze: |
arXiv |
| Externí odkaz: |
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