主要从事磁光晶体和磁光玻璃等功能材料的制备与性能研究。目前以第一作者及通讯作者发表SCI论文20余篇。主持福建省自然科学基金1项，横向技术开发项目1项。

福建省自然科学基金项目（含Ce³⁺、Tb³⁺混合稀土硅酸盐磁光晶体的生长与性能研究, 2018-2021）

横向项目（高质量α-BBO晶体生长工艺研究，2015-2018）

1.Xin Chen; Qingying Lan; Bin Zhao; Jianzhong Chen;Feiyun Guo*; Czochralski growth, optical and magneto-optical properties of Ce_9.33(SiO₄)₆O₂crystal, Optical Materials, 2024, 147: 114701

2.Feiyun Guo; Qiang Xie; Liqin Qiu; Bin Zhao; Xin Chen; Jianzhong Chen ; Growth, magnetic and magneto-optical properties of CaDyAlO₄crystals, Optical Materials, 2021, 112: 110719

3.Feiyun Guo; Qiyuan Li; Huaimin Zhang; Xiongsheng Yang; Zhen Tao; Xin Chen; Jiangzhong Chen ; Czochralski Growth, Magnetic Properties and Faraday Characteristics of CeAlO₃Crystals, Crystals, 2019, 9: 245

4.Feiyun Guo; Xunpeng Gui; Zhen Tao; Yilin Sun; Xin Chen; Jiangzhong Chen ; Growth, magnetic anisotropy and Faraday characteristics of NaCe(MoO₄)₂crystal, Optical Materials, 2018, 84: 658-662

5.Feiyun Guo; Yilin Sun; Xiongsheng Yang; Xin Chen; Bin Zhao; Naifeng Zhuang; Jiangzhong Chen ; Growth, Faraday and inverse Faraday characteristics of Tb₂Ti₂O₇crystal, Optics Express, 2016, 24(6): 5734-5743