An Efficient and Scalable Finite Element Method for 3-D Transient Electromagnetic Forward Modeling Using a Robust Iterative Solver. - Xin Gao 015; Jingtian Tang; Xiao Xiao; Chaojian Chen; Zhengguang Liu; Ruijin Kong; Yu Gu; Zhuo Chen (IEEE Trans. Geosci. Remote. Sens., 2025)