纪元超 教授

国家级青年人才

国家重点研发计划青年科学家项目首席

西安交通大学青年拔尖人才（A类）
金属材料强度全国重点实验室固定成员

首批“珠峰计划”导师

E-mail：jyc.xjtu@xjtu.edu.cn

招收材料、物理、电气、电子、化学等领域的硕士生和博士生，鼓励直接攻读博士学位。

课题组在国家基金委、科技部、国家重点实验室的大力支持下，经费充足，学生助研津贴具有竞争力。

2025

1. Yang Yang*, Ying Li, Dong Wang*, Zhipeng Wang,Jiantuo Zhao, Yanshuang Hao, Yuanchao Ji*, Xiaobing Ren*，High-performance lead-free ceramics with simultaneously high piezoelectricity and high mechanical quality factor, Advanced Materials 37, 2419325 (2025).

2. Yu Qian, Wenjia Wang*, Yu Wang, Andong Xiao, Yao Liu, Ge Zhang, Zhizhi Xu, Yun Pan, Guanqi Wang, Xiaobing Ren, Yuanchao Ji*, Crossover strain glass alloy exhibiting large recoverable strain over a wide temperature, Acta Materialia 283, 120533 (2025).

3. Guanqi Wang, Yang Yang*, Zhijian Zhou, Xiaobing Ren, Yuanchao Ji*, High mechanical quality factor and high piezoelectric coefficient achieved via acceptor-modified invisible boundary, Journal of the European Ceramic Society 45, 117100 (2025).

4. Chuanxin Liang, Dong Wang*, Yuanchao Ji, Jian Zhang, Xiaobing Ren, Yunzhi Wang，β-relaxation anomaly with low modulus and enhanced recoverable strain in strain glasses crossover，Acta Materialia 286, 120696 (2025).

5. Yang Yang*, Hanbing Zhang, Guanqi Wang, Ying Li, Jiantuo Zhao, Yuanchao Ji, Xiabing Ren, Significantly enhanced mechanical quality factor of acceptor-doped quadruple point composition in lead-free Ba(Zr,Ti)O₃ ceramics, Journal of Materiomics 11, 100915 (2025).

6. 任帅, 纪元超, 王栋, 王宇, 赵新青, 任晓兵, 应变玻璃超级铁性智能材料的进展与展望, 前瞻科技 4, 128-138 (2025). (科技导报社主办）

2024

1. 纪元超，带有科幻色彩的柔性金属，光明少年 31, 10-13 (2024). (光明日报社主办，面向中小学生的科普杂志)

2. 纪元超，奇异的应变玻璃，前沿科学 18, 31-33 (2024). (科技日报社主办)

3. Zhizhi Xu, ​​​​Yuanchao Ji*, Chang Liu, Liqiang He, Hui Zhao, Ye Zhao, Yu Qian, Jin Cui, Andong Xiao, Wenjia Wang, Yang Yang,  Tianyu Ma*, Xiaobing Ren*, A polymer-like ultrahigh-strength metal alloy, Nature 633, 575-581 (2024). (*Corresponding author) ​​​​​文章链接
   点评：
   1）发现了世界首例超柔超强金属——既像超高强度钢一样强、又像高分子材料一样柔，突破了柔性与强度之间“此消彼长”的原理性制约。
   2）有望应用于变体飞行器、变体潜航器、超级人形机器人、人工器官等未来科技!望应用于可变形飞行器、可变形建筑、可
   新闻报道：
   ​​​​​1）“‘既强且柔’金属”入选2024年西安“硬科技重大突破”
   ​​​​​2）New Scientist杂志：Ultra-strong stretchy material could enable shape-shifting aircraft
   3）人民日报：我国科研团队研发出奇异金属
   4）科技日报：“既强且柔”的奇异金属研制成功
   5）中国科学报头版头条报道：“强柔并济”的新金属材料，来了！
        
   6）中国航空报报道：“强柔并济”的新金属材料，来了！
   7）国家自然科学基金委员会科学传播与成果转化中心：西交纪元超/马天宇/任晓兵团队发现“既强且柔”金属
   8）交大主页：【科技自立自强】西安交大前沿院多学科材料研究中心 在Nature发表论文——发现“既强且柔”金属

4. ​​​​Yuanchao Ji, Dong Wang, Yang Yang, Jinghui Gao, Tianyu Ma, Yu Wang, Yunzhi Wang, Xiaobing Ren*, Ferroic glass in Encyclopedia of Condensed Matter Physics 2^nd Edition, Academic Press (2024).
       《凝聚态物理百科全书》   链接​​​
   

5. Ruie Lu^#, Yuanchao Ji^#, Yu Wang*, Xiaoqin Ke, Fanghua Tian, Chao Zhou, Yin Zhang, Chang Liu, Sen Yang^*, Xiaobing Ren, Xiaoping Song, Evidence for a Griffiths phase to cluster spin glass transition in the La_2/3Sr_1/3(Mn_1-3xAl_2xTi_x)O₃ system, Advanced Science 11, 2408517 (2024).

6. Yu Qian^#, Ge Zhang^#, Wenjia Wang*, Yu Wang, Yao Liu, Zhizhi Xu, Yun Pan, Xiaobing Ren, Yuanchao Ji*, High-temperature near-equiatomic TiNi strain glass, Scripta Materialia 248, 116148 (2024).

7. Yang Yang, Jiantuo Zhao*, Ying Li, Hanbing Zhang, Guanqi Wang, Yuanchao Ji*, Xiaobing Ren, Defect engineering in barium titanate ferroelectric ceramic showing simultaneous enhancement of piezoelectric coefficient and mechanical quality factor, Journal of the European Ceramic Society 44, 891-897 (2024).

8. Jian Li, Minxia Fang, Yao Liu, Xin Song, Wentao Jia, Junming Gou, Tao Yuan, Yuanchao Ji, Lizhong Zhao, Chen Wang, Tianyu Ma, Enhanced magnetic performance of Fe-rich Sm₂Co₁₇-type magnets by optimizing Zr content, Journal of Materials Science & Technology 193, 178-186 (2024).

2023​​​

1. ​​​​Minxia Fang, Yuanchao Ji*, Yan Ni, Wenjia Wang, Hengmin Zhang, Xifei Wang, Andong Xiao, Tianyu Ma, Sen Yang*, Xiaobing Ren*, Toughening ceramics down to cryogenic temperatures by reentrant strain-glass transition, Physical Review Letters 130, 116102 (2023).(*Corresponding author) 文章链接 
   新闻报道: 西安交大科研人员在陶瓷材料的增韧机制研究方面取得重要进展
   ​​​点评：首例基于应变玻璃获得优异力学性能（低温韧性跟著名的韧性陶瓷PSZ接近），不仅为应变玻璃的应用研究开另一条道路，而且为脆性材料的增韧提供了新思路！未来可期！
   

2. Wenjia Wang, Yuanchao Ji*, Minxia Fang,  Xiaobing Ren*, Non-conventional strain glasses, Shape Memory and Superelasticity 9, 240-251 (2023).

3. Liqiang He, Yang Yang, Chang Liu, Yuanchao Ji, Xiaojie Lou, Lixue Zhang, Xiaobing Ren, Superior energy storage properties with thermal stability in lead-free ceramics by constructing an antiferroelectric/relaxor-antiferroelectric crossover, Acta Materialia 249, 118826 (2023).

​​2022

1. Chang Liu, Yuanchao Ji*, Jingxian Tang, Kazuhiro Otsuka, Yu Wang, Mengrui Hou, Yanshuang Hao, Shuai Ren, Pu Luo, Tianyu Ma, Dong Wang, Xiaobing Ren*, A lightweight strain glass alloy showing nearly temperature-independent low modulus and high strength, Nature Materials 21, 1003–1007 (2022). (*Corresponding author)
   ​​​​​文章链接
   点评：
   1）在性能方面，世界上最轻质宽温域超弹性、宽温域恒模量、高强度低模量、抗疲劳合金！
   2）在基础研究方面，在镁合金中首次发现了应变玻璃！
   
   新闻报道：
   1）循环超1000000次！西安交大任晓兵/纪元超Nature Materials获重要成果！
   2）重磅！西安交大《Nature》大子刊：与温度无关的低模量、高强度、轻质镁-钪应变玻璃合金！
   ​​​​​3）【科技自立自强】西安交大科研团队在金属功能材料研究领域取得重要进展

2. Wenjia Wang^#, Pu Luo^#, Ying Wei^#, Yuanchao Ji*, Chang Liu, Xiaobing Ren*, Spinodal strain glass in Mn-Cu alloys, Acta Materialia 231, 117874 (2022).

3. Wenjia Wang, Yuanchao Ji*, Minxia Fang, Dong Wang, Shuai Ren, Kazuhiro Otsuka, Yunzhi Wang, Xiaobing Ren*, Reentrant strain glass transition in Ti-Ni-Cu shape memory alloy, Acta Materialia 226, 117618 (2022).

4. Dong Wang*, Yuanchao Ji*, Xiaobing Ren*, Yunzhi Wang*, Strain glass state, strain glass transition, and controlled strain release, Annual Review of Materials Research 52, 159–187 (2022).

5. Zhizhi Xu, Yanshuang Hao, Yuanchao Ji*, Andong Xiao, Yu Qian, Wenjia Wang, Xiaobing Ren, Simultaneously increasing the strength and decreasing the modulus in TiNi alloys via plastic deformation, Scripta Materialia 209, 114374 (2022).

6. Minxia Fang, Fanghua Tian, Kaiyan Cao, Xiaoqin Ke, Yin Zhang, Sen Yang, Wenliang Zuo, Yao Liu, Tianyu Ma, Xiaoping Song, Yuanchao Ji, Xiaobing Ren, Understanding of the giant magnetic entropy change around the co-occurrence point of martensitic and magnetic transitions in Ni-Mn-In Heusler alloy, Acta Materialia 229, 117839 (2022).

7. Shuangshuang Zhao, Qianglong Liang, Chuanxin Liang, Dong Wang, Yuanchao Ji, Yu Wang, Yufeng Zheng, Xiangdong Ding, Michale Mills, Xiaobing Ren, Yunzhi Wang, Quasi-Linear Superelasticity with Ultralow Modulus in Tensile Cyclic Deformed TiNi Strain Glass, Advanced Engineering Materials 24, 2200239 (2022).

8. Mengye Yin, Minxia Fang, Yuanchao Ji, Dong Wang, Xiaobing Ren, Stabilized piezoelectricity upon ferro-ferro phase transition achieved by aging induced domain memory effect in acceptor doped lead-free ceramics, Scripta Materialia 219, 114872 (2022).

9. Mengye Yin, Minxia Fang, Lixue Zhang, Chao Zhou, Andong Xiao, Yuanchao Ji, Tianyu Ma, Xiaobing Ren, Microscopic origin of the enhanced piezoelectric thermal stability in acceptor doped lead-free Ba(Ti_0.8Zr_0.2)O₃-50(Ba_0.7Ca_0.3)TiO₃ ceramic, Ceramics International 48, 5274–5279 (2022).

​​​​​2021

1. Hui Zhao, Yuanchao Ji*, Tianyua Ma*, Minxia Fang, Yanshuang Hao, Tianzi Yang, Chao Zhou, Sen Yang, Xiaobing Ren*, Exceptional combination of large magnetostriction, low hysteresis and wide working temperature range in (1-x)TbFe₂-xDyCo₂ alloys, Acta Materialia 220, 117308 (2021).

2. Yang Yang, Chang Liu, Yuanchao Ji*, Liqiang He, Xiaobing Ren*, Designed morphotropic relaxor boundary ceramic exhibiting large electrostrain and negligible hysteresis, Acta Materialia 208, 116720 (2021).

3. Yanshuang Hao*, Liqiang He, Shuai Ren*, Yuanchao Ji*, Xiaobing Ren, Excellent thermal-cycling stability caused by aging in Fe-doped (Ba_0.85Ca_0.15)(Ti_0.9Zr_0.1)O₃ lead-free piezoceramic, Scripta Materialia 202, 113990 (2021).

4. Chengyang Xiong, Yan Li, Jian Zhang, Yu Wang, Wentao Qu, Yuanchao Ji, Lishan Cui, Xiaobing Ren, Superelasticity over a wide temperature range in metastable β-Ti shape memory alloys, Journal of Alloys and Compounds 853, 157090 (2021).​​​​

2010-2020

1. Yang Yang, Yuanchao Ji*, Minxia Fang, Zhijian Zhou, Le Zhang, Xiaobing Ren*, Morphotropic relaxor boundary in a relaxor system showing enhancement of electrostrain and dielectric permittivity, Physical Review Letters 123, 137601 (2019).

2. Yuanchao Ji*, Dong Wang, Xiangdong Ding*, Kazuhiro Otsuka, Xiaobing Ren*, Origin of an isothermal R-martensite formation in Ni-rich Ti-Ni solid solution: Crystallization of strain glass, Physical Review Letters 114, 005701 (2015).

3. Yuanchao Ji^#*, Pei Zhang^#, Liqiang He^#, Dong Wang, Hanyu Luo, Kazuhiro Otsuka, Yunzhi Wang, Xiaobing Ren, Tilt strain glass in Sr and Nb co-doped LaAlO₃ ceramics, Acta Materialia 168, 250-260 (2019).

4. Minxia Fang, Yuanchao Ji*, Zhen Zhang, Yaodong Yang, Chang Liu, Dong Wang, Lixue Zhang, Jinghui Gao, Xiaobing Ren*, Re-entrant relaxor–ferroelectric composite showing exceptional electromechanical properties, NPG Asia Materials 10, 1029–1036 (2018).

5. Yuanchao Ji, Shuai Ren, Dong Wang, Yu Wang, Xiaobing Ren*, Strain glasses, in Frustrated Materials and Ferroic Glasses, Springer (2018).

6. Yuanchao Ji*, Xiangdong Ding, Dong Wang*, Kazuhiro Otsuka, Xiaobing Ren*, Glass-ferroic composite caused by the crystallization of ferroic glass, Physical Review B 92, 241114(R) (2015).

7. Yuanchao Ji, Dong Wang, Yu Wang, Yumei Zhou, Dezhen Xue, Kazuhiro Otsuka, Yunzhi Wang*, Xiaobing Ren*, Ferroic glasses, npj Computational Materials 3, 43 (2017).

8. Yuanchao Ji*, Xiangdong Ding, Turab Lookman, Kazuhiro Otsuka, Xiaobing Ren*, Heterogeneities and strain glass behavior: Role of nanoscale precipitates in low-temperature-aged Ti_48.7Ni_51.3 alloys, Physical Review B 87, 104110 (2013).

9. Yanshuang Hao, Yuanchao Ji*, Zhao Zhang, Mengye Yin, Chang Liu, Hui Zhao, Kazuhiro Otsuka, Xiaobing Ren, Strain glass in Ti_50−xNi_35+xCu₁₅ shape memory alloys, Scripta Materialia 168, 71–75 (2019).

10. Minxia Fang*, Shailendra Rajput, Zhonghua Dai, Yuanchao Ji*, Yanshuang Hao, Xiaobing Ren*, Understanding the mechanism of thermal-stable high-performance piezoelectricity, Acta Materialia 169, 155-161 (2019).

11. Yanshuang Hao, Chang Liu, Liqiang He, Yuanchao Ji*, Luo Zhao, Jinghui Gao, Shuai Ren, Mengyao Guo, Zhufeng Hou, Bo Da, Xiaobing Ren*, Effect of thermal-cycling on the piezoelectricity of 0.5Ba(Zr_0.2Ti_0.8)O₃-0.5(Ba_0.7Ca_0.3)TiO₃ Pb-free piezoceramic, Journal of Alloys and Compounds 847, 156462 (2020).

12. Liqiang He, Yuanchao Ji*, Shuai Ren, Luo Zhao, Hanyu Luo, Chang Liu, Yanshuang Hao, Le Zhang*, Lixue Zhang*, Xiaobing Ren, Large piezoelectric coefficient with enhanced thermal stability in Nb⁵⁺-doped Ba_0.85Ca_0.15Zr_0.1Ti_0.9O₃ ceramics, Ceramics International 46, 3236–3241 (2020).

13. Fan Ye, Tianyu Ma*, Shuai Ren, Andong Xiao, Xiaolian Liu, Yuanchao Ji*, Xiaobing Ren*, Temperature invariable magnetization in Co-Al-Fe alloys by a martensitic transformation, Applied Physics Letters 113, 172402 (2018).

14. ​​​​​Chang Liu, Yuanchao Ji*, Xiaobing Ren, Strain glass and novel properties, Shape Memory and Superelasticity 5, 299–312 (2019).

15. Fangyu Qin, Wenlong Xiao, Fengshuang Lu, Yuanchao Ji, Xinqing Zhao, Xiaobing Ren, Resolution of a discrepancy of magnetic mechanism for Elinvar anomaly in Fe-Ni based alloys, Journal of Materials Science and Technology 35, 396-401 (2019).

16. Shuai Ren, Dezhen Xue, Yuanchao Ji, Xiaolian Liu, Sen Yang, and Xiaobing Ren, Low-Field-Triggered Large Magnetostriction in Iron-Palladium Strain Glass Alloys, Physical Review Letters 119, 125701 (2017).

17. Chao Zhou, Xiaoqin Ke, Yonggang Yao, Sen Yang, Yuanchao Ji, Wenfeng Liu, Yaodong Yang, Lixue Zhang, Yanshuang Hao,  Shuai Ren,  Le Zhang, and  Xiaobing Ren, Evolution from successive phase transitions to “morphotropic phase boundary” in BaTiO3-based ferroelectrics, Applied Physics Letters 112, 182903 (2018).

18. Qianglong Liang, Dong Wang, Jian Zhang, Yuanchao Ji, Xiangdong Ding, Yu Wang, Xiaobing Ren, and Yunzhi Wang, Novel B19′ strain glass with large recoverable strain, Physical Review Materials 1, 033608 (2017).​​​​​

19. Yu Wang, Yumei Zhou, Yuanchao Ji, Xiaobing Ren, Strain glass and its novel properties, Materials China 35, 401–408 (2016)

20. Chao Zhou, Shuai Ren, Huixin Bao, Sen Yang, Yonggang Yao, Yuanchao Ji, Xiaobing Ren, Yoshitaka Matsushita, Yoshio Katsuya, Masahiko Tanaka, Keisuke Kobayashi, Inverse effect of morphotropic phase boundary on the magnetostriction of ferromagnetic Tb_1−xGd_xCo₂, Physical Review B 89, 100101(R) (2014).

21. Zhimin Sun, Dezhen Xue, Haijun Wu, Yuanchao Ji, Xiangdong Ding, Dong Wang, Yaodong Yang, Xiaobing Ren, Time-dependent ferroelectric transition in Pb_(1−x)(Zr_0.4Ti_0.6)_(1−x/4)O₃−xLa system, Applied Physics Letters 102, 222907 (2013).

22. Yonggang Yao, Zhimin Sun, Yuanchao Ji, Yaodong Yang, Xiaoli Tan, Xiaobing Ren, Evolution of the tetragonal to rhombohedral transition in (1-x)(Bi_1/2Na_1/2)TiO₃−xBaTiO₃ (x≤7%), Science and Technology of Advanced Materials 14, 035008 (2013).

23. Jian Zhang, Yu Wang, Xiangdong Ding, Zhen Zhang, Yumei Zhou, Xiaobing Ren, Dong Wang, Yuanchao Ji, Minghui Song, Kazuhiro Otsuka, Jun Sun, Spontaneous strain glass to martensite transition in a Ti₅₀Ni_44.5Fe_5.5 strain glass, Physical Review B 84, 214201 (2011).

24. Xiaobing Ren,Yu Wang,Yumei Zhou, Zhen Zhang, Dong Wang, Genlian Fan, Kazuhiro Otsuka, Tetsuro Suzuki, Yuanchao Ji, Jian Zhang, Ya Tian, Sen Hou, Xiangdong Ding, Strain glass in ferroelastic systems: Premartensitic tweed versus strain glass, Philosophical Magazine 90, 141–157 (2010).