We report a theoretical investigation of coherent-to-incoherent heat conduction in multilayer nanostructures.In the coherent regime where the phonon motion is quasi-harmonic,the elastic continuum model gives accurate ...
supported by the National Natural Science Foundation of China(Nos.11047108,11147197,11005003);the Research Project of Basic and Cutting-Edge Technology of Henan Province,China(No.112300410183);the Education Department of Henan Province, China(No.2011B140002)
A discrete sequential tunneling model is used for studying the influence of the doping density on the dynamical behaviors in weakly coupled GaAs/AlAs superlattices. Driven by the DC bias, the system exhibits self- sus...