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A graded buffer layer is needed in order to grow III–V/SiGe on silicon substrate because of the lattice mismatch. In this work, optical absorption in the graded buffer layer is quantified by measuring the transmittances. We demonstrate a 7 µm graded buffer layer with Ge composition from 0% to 82% is equivalent to a 2 µm SiGe film with 82% Ge composition in terms of optical absorption. A SiGe solar...
In this paper we consider the problem of cycle matching for homogeneous symmetric publish/subscribe system. In this kind of applications, besides one-to-one swap, exchange can occur between more than two subscriptions, which is called cycle matching. The cycle matching provides more exchange candidates for users to choose, therefore improves the number of successful exchanges. As far as we know, there...
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