Ag@Au nanoparticle solid arrays for enhanced SERS detection of enrofloxacin: FDTD simulation insights. - Cheng, Yuliang; Zhao, Yajie; Li, Peizhen; Yu, Hang; Xie, Yunfei; Guo, Yahui; Yao, Weirong; Qian, He (Microchimica Acta, 2025)