Department of Physics, School of Sciences, Hangzhou Dianzi University, Hangzhou 310018, China;
Department of Physics, School of Sciences, Hangzhou Dianzi University, Hangzhou 310018, China;
Center for Integrated Spintronic Devices, Hangzhou Dianzi University, Hangzhou 310018, China;
Department of Physics, School of Sciences, Hangzhou Dianzi University, Hangzhou 310018, China;
Department of Physics, School of Sciences, Hangzhou Dianzi University, Hangzhou 310018, China;
Center for Integrated Spintronic Devices, Hangzhou Dianzi University, Hangzhou 310018, China;
Department of Physics, School of Sciences, Hangzhou Dianzi University, Hangzhou 310018, China;