Effect of microstructure, grain size, and rare earth doping on the electrorheological performance of nanosized particle materials - Chen, Shu-Mei.; Gao, Song.; Huang, Rui-Li.; Li, Jun-Ran.; Li, Shu-Xin.; Liao, Fu-Hui.; Ma, Shu-Zhen.; Xu, Ming-Yuan.; Zhang, Shao-Hua.