Energy-Efficient Izhikevich Neuron Design Using Approximate CORDIC-Based Multipliers for Low-Power Neuromorphic Hardware. - van-Vu Luyen; Thanh-Dat Nguyen; Quang-Thai Pham; Duy-Anh Nguyen; Khanh N. Dang; Van-Hai Pham; Thanh-Toan Dao (IEEE Access, 2026)