We have studied the quantum transport of electrons in a three-step single-barrier A1GaAs heterostructure under electric ......

采用分子束外延技术在GaAs（110）衬底上制备了一系列生长温度和As2/Ga束流等效压强比不同的样品,通过室温光致发光谱、高分辨X射线衍......