Graphene is a single layer of carbon atoms packed in a hexagonal lattice.[1] Its significant properties and potential applications[2,3] have motivated the synth
Recently,silicon-germanium (SiGe) heterojunction bipolar transistors (HBTs) have been demonstrated with transit frequencies above 350GHz at 300 K and above 500
The Fabry-Pérot laser diode (FP-LD) with multiple longitudinal modes has attracted much attention owing to its rich nonlinear,low cost,compact size and low pow
A spin-polarized current direction controller scheme is proposed based on a nonuniform Rashba quantum wire.It is shown that |pLRz| =|PRLZ|,whereas their signs are o
Transient lasting of double spontaneous snakes is observed in energy confinement improved plasma on the EAST tokamak.The destabilization of snakes with superb p
A theoretical model is presented to describe the elastic wave propagation characteristics in porous media of periodically arranged fractures.The effects of frac
AlGaN/GaN high electron mobility transistors (HEMTs)[1-3] are excellent candidates for high power switches,microwave amplifiers,and high temperature integrated