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ZnO-CdS, ZnO-ZnS, and ZnO-Ag2S core-shell heterojunction structures were fabricated using low-temperature, facile and simple aqueous solution approaches. The polycrystalline sulfide shells effectively enhance the field emission (FE) properties of ZnO nanowires arrays (NWAs). This results from the formation of the staggered gap heterointerface (ZnO-sulfide)(More)
This paper presents analysis of the performance modeling of the mean queue length and the mean queueing delay in MPLS (Multiprotocol Label Switching) LER (Label Edge Router) through the application of GE/G/1. We consider traffic with inter-arrival times of external arrivals at queue having gen-eralised exponential (GE) distribution. The choice of the GE(More)
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