个人简介

任之，1982年生于湖北，2004和2009年分别获浙江大学理学学士和凝聚态物理博士学位。博士论文入选全国百篇优秀博士提名论文并作为团队成员获得教育部高校自然科学一等奖。2009年至2017年先后在日本大阪大学和瑞士日内瓦大学进行博士后研究。2017年初加入浙江西湖高等研究院(西湖大学前身)。迄今共发表论文74篇，总计被引用超过5300次，Hirsch h因子30。现为理学院PI，研究兴趣主要集中在固体新材料的合成和物性表征。

主要学术成果

(i) 发现数种新的高熵合金超导体和拓扑超导体候选材料;

(ii) 首次在铁砷化合物中发现同价元素替代引入超导并观察到超导与铁磁共存;

(iii) 通过系统改变铋系拓扑绝缘体的化学组分极大降低体载流子浓度并成功观测到拓扑表面态的量子振荡；

(iv) 发现新的压力诱导铈基重费米子超导体，并首次观察到超导和磁有序温度随压力增加同时升高的现象。

代表性论文

1. Jifeng Wu†*, Guorui Xiao†, Qinqing Zhu, Bin Liu, Yanwei Cui, Siqi Wu, Guang-Han Cao, Zhi Ren*. Strong enhancement of superconductivity in the topological transition metal silicide W₅Si₃ by Re doping. Inorganic Chemistry Frontiers, in press.

2. Guorui Xiao, Qinqing Zhu, WuzhangYang, Yanwei Cui, Shijie Song, Guang-Han Cao, Zhi Ren*. Centrosymmetric to noncetrosymmetric structural transformation in a superconducting high-entropy alloy due to carbon addition. Science China Materials, in press.

3. Guorui Xiao*, Qinqing Zhu, Yanwei Cui, Wuzhang Yang, Baizhuo Li, Shijie Song, Guang-Han Cao, Zhi Ren*. Enhancement of superconductivity on the verge of a structural instability in isovalently doped β-ThRh_1-xIr_xGe. npj quantum materials, 2022, 7: 57.

4. Qinqing Zhu, Guorui Xiao, Yanwei Cui, Wuzhang Yang, Siqi Wu, Guang-han Cao, Zhi Ren*. W₄IrC_{1- x}: a new noncentrosymmetric superconductor with a cubic β-mn type structure. Journal of Materials Chemistry C, 2022, 10(15): 6070-6077.

5. Qinqing Zhu, Guorui Xiao, Yanwei Cui, Wuzhang Yang, Siqi Wu, Guang-Han Cao, Zhi Ren*. Structural transformation of MoReRu medium-entropy alloy by carbon addition. Scripta Materialia, 2022, 210: 114464.

6. Guorui Xiao, Qinqing Zhu, Yanwei Cui, Wuzhang Yang, Baizhuo Li, Shijie Song, Guang-Han Cao, Zhi Ren*. Polymorphism, structural transition and superconductivity in the equiatomic ternary germanide ThRhGe. Chemistry of materials, 2022, 34: 1235-1244.

7. Yanwei Cui, Qinqing Zhu, Guorui Xiao, Wuzhang Yang, Yabin Liu, Guanghan Cao, and Zhi Ren*, Interstitially carbon-alloyed refractory high-entropy alloys with a body-centered cubic structure. Science China Materials, 2022, 65: 494–500.

8. Bin Liu, Jifeng Wu, Yanwei Cui, Qinqing Zhu, Guorui Xiao, Siqi Wu, Guanghan Cao and Zhi Ren*. “Structural evolution and superconductivity tuned by valence electron concentration in the Nb-Mo-Re-Ru-Rh high-entropy alloys”. Journal of Materials Science & Technology. 2021, 85:11-17

9. Yanwei Cui, Siqi Wu, Qinqing Zhu, Guorui Xiao, Bin Liu, Jifeng Wu, Guanghan Cao, Zhi Ren*, Metal-insulator-like transition, superconducting dome and topological electronic structure in Ga-doped Re₃Ge₇. npj Quantum Materials, 2021, 6: 74 .

10. Jifeng Wu†, Chenqiang Hua†, Bin Liu, Yanwei Cui, Qinqing Zhu, Guorui Xiao, Siqi Wu, GuangHan Cao, Yunhao Lu*, Zhi Ren*. Doping-induced superconductivity in the topological semimetal Mo₅Si₃. Chemistry of Materials, 2020, 32 (20), 8930–8937.