Borislav Borisov

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We have prepared large-area, 0.50ϫ 0.55 mm 2 , metal-semiconductor-metal photodetectors based on AlN layers with different density of inversion domains ͑IDs͒. AlN layers were grown on ͑0001͒ sapphire substrates using gas source molecular beam epitaxy. The introduction of AlN / GaN short period superlattices after growth of AlN nucleation layer yields(More)
The ranges, spectra of habitat types, and food spectra of artiodactyls in the Far East have been studied. It has been supposed that the overlap of ranges and habitat-type spectra should decrease with an increase in the overlap of food spectra. However, all the three similarity indices have proved to be positively correlated with each other, suggesting that,(More)
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