We introduce the history and background of spintronics research, spin polarization and injection, mechanisms of spin relaxation, spintronic devices and their applications.

• 我们先建立了半导体量子线的理论模型，引入了二维情况下的Rashba自旋轨道耦合效应和Dresselhaus自旋轨道耦合效应，得到了含磁场和自旋轨道耦合项的薛定谔方程。