Antiphase-Boundary-Free GaAs Grown via MBE on an On-Axis Si(001) Substrate with High-Temperature Surface Step Pretreatment - Ye, Jihong; Liu, Hao; Jiang, Chen; Liu, Shuaicheng; Zhai, Hao; Chang, Haoyu; Wang, Jun; Wang, Qi; Huang, Yongqing; Ren, Xiaomin (Crystal Growth & Design, 2025)