蔡冠群 副研究员
联系方式
邮箱：guanqun_cai@scu.edu.cn
地址：四川大学望江校区西五教
个人简历
蔡冠群 现四川大学副研究员，中国晶体学会固体局域结构与全散射技术专业委员会委员
2021-2023 北京大学化学与分子工程学院 博雅博士后
2016-2021 英国伦敦玛丽皇后大学凝聚态物理 博士
2015-2016 英国拉夫堡大学高分子科学与工程 硕士
2011-2015 北京化工大学高分子材料与工程 学士
研究方向
结合全散射（原子对分布函数PDF）与逆向蒙特卡罗模拟（RMC）研究晶体无序结构的有 序规律；
中子散射技术（中子PDF，非弹，准弹，单晶，高压衍射）在晶体结构研究中的应用与发展；
同步辐射技术 (Xray-PDF, 高压单晶，X射线吸收谱) 在晶体结构研究中的应用与发展；
电子衍射技术在特殊样品中弥散散射/电子PDF的测量与数据分析；
电池正极材料的离子混占与层状无序结构；
氧离子，锂离子导体原子结构尺度离子导电机理；
多孔材料主客体相互作用；
分子取向，多面体畸变等无序局域结构所引起的反常现象，如压力软化效应，负热膨胀等；
晶体结构相变理论研究
主持科研项目
国家对外交流引进博士后项目，资助额度40万元
代表成果
1. Shurong Yuan#, Bernet Meijer#, Guanqun Cai # et al. Anthony E Phillips*, Origin of the Large Entropy Change in the Molecular Caloric and Ferroelectric Ammonium Sulfate. Advanced Functional Materials, 2022, 32.4, 52207717
2. Guanqun Cai#, He Lin#, et al. Martin T Dove*, Atomic structure of the continuous random network of amorphous C[(C6H4)2]2. Cell Reports Physical science, 2022, 3(6), 100899.
3. Zhongsheng Wei#, Lei Tan#, Guanqun Cai#, et al. Martin T Dove*, Colossal pressure-induced softening in scandiumfluoride. Physical Review Letters, 2020, 124, 255502
4. Anthony E Phillips, Guanqun Cai, and Franz Demmel. "Rotational dynamics of the imidazolium ion in cyanide-bridged dielectric framework materials." Chemical Communications 2020, 56, 11791-11794.
5. Guanqun Cai, et al. Anthony E Phillips* & Martin T Dove*, Neutron scattering study of the orientational disorder in potassium cyanide. Journal of Physics Communications, 2020, 4, 023001
6. Guanqun Cai, Anthony E Phillips, Matthew G Tucker, & Martin T Dove, Neutron scattering study of the orientational disorder and phase transitions in barium carbonate. Journal of Physics: Condensed Matter. 2020, 32, 37
7. Zhengqiang Yang, Guanqun Cai, Craig L Bull, Matthew G Tucker, Martin T Dove, Alexandra Friedrich, & Anthony E Phillips, Hydrogen-bond-mediated structural variation of metal guanidinium formate hybrid perovskites under pressure. Philosophical Transactions of the Royal Society A, 2019, 377, 20180227
8. Bernet Meijer, Guanqun Cai, et al. Anthony E Phillips*, Pressure dependence of rotational dynamics in barocaloric ammonium sulfate[J]. Physical Review B, 2022, 106(6), 064302.
9. Qin Y, Zhang S, Zhang S, et al. Guanqun Cai, Martin T Dove*, Orientational order and phase transitions in deuterated methane: a neutron total scattering and reverse Monte Carlo stud. Journal of Physics: Condensed Matter, 2021, 34(1), 015401.
10. Zhang S, Qin Y, Zhang S, et al. Guanqun Cai, Martin T Dove* Orientational disorder in sulfur hexafluoride: a neutron total scattering and reverse Monte Carlo study[J]. Journal of Physics: Condensed Matter, 2022, 34(29): 295401.
11. Xianji Qiao, et al. Guanqun Cai, Junliang Sun* Synthesis, crystal structures and semiconducting properties of new hexacyanidometallates[J]. Dalton Transactions, 2023, 52(13): 3971-3980.
12. Tian Haolai, Guanqun Cai, et al. Xiangyang Kong*, Martin T Dove* Local structure and lithium-ion diffusion pathway of cubic Li 7 La 3 Zr 2 O 12 studied by total scattering and the Reverse Monte Carlo method[J]. Journal of Materials Chemistry A, 2023, 11(46): 25516-25533.
13. Li X, Tao Y, Jiang X, et al. Optical bandgap anomaly with tuning dimensionality in germanium perovskites: Interplay between quantum confinement and lone pair expression[J]. Chem, 2023.
会议与邀请报告
中国晶体学会第9届学术年会（分会邀请报告）2023
中科院物理所专家邀请报告 2021
中国晶体学会第8届学术年会（分会报告）2021