刘辉，北京科技大学材料基因工程高精尖创新中心副教授，硕导。2014年本科毕业于北京科技大学，2020年博士毕业于北京科技大学，曾获留学基金委资助在美国阿贡国家实验室交流学习。主要围绕钙钛矿型铁电材料的结构和功能，从局域结构和晶体结构角度，在复杂固溶体体系功能导向设计合成及构效关系等方面开展系列工作。特别是借助同步辐射/中子散射等大科学装置先进原位表征技术研究精细晶体结构、局域结构等方面取得了系列成果。目前发表论文80余篇，其中以第一作者/通讯（共同）作者身份发表SCI论文40余篇，包括J. Am. Chem. Soc. (6篇)、Phys. Rev. Lett. (2篇)、Nature Commun.、Sci. Adv.、Acta Mater. (5篇)等；授权国家发明专利2项。入选2020年博士后创新人才支持计划，主持国家自然科学基金面上、青年基金等省部级以上项目多项；担任中国晶体学会局域结构与全散射分会委员及秘书，Chin. Chem. Lett.、Prog. Nat. Sci.-Mater.、Microstructures等国际期刊的青年编委等。

研究兴趣：功能电介质氧化物的化学设计、结构及性能；基于同步辐射/中子散射等先进结构表征技术的构效关系研究

磁电材料与结构实验室课题组主页：

代表性学术论文：

[1] Hui Liu,*^,# Zheng Sun,^# Ji Zhang,^# Huajie Luo, Yuanpeng Zhang, Andrea Sanson, Manuel Hinterstein, Laijun Liu, Joerg C. Neuefeind, and Jun Chen*. Chemical Framework to Design Linear-like Relaxors toward Capacitive Energy Storage, J. Am. Chem. Soc. 2024, 146, 3498−3507.

[2] Hui Liu,*^,# Zheng Sun,^# Ji Zhang,^# Huajie Luo,^# Qinghua Zhang, Yonghao Yao, Shiqing Deng, He Qi, Jue Liu, Leighanne C. Gallington, Joerg C. Neuefeind, and Jun Chen*. Chemical Design of Pb-Free Relaxors for Giant Capacitive Energy Storage, J. Am. Chem. Soc. 2023, 145, 11764−11772 (Cover).

[3] Hui Liu,*^,# Zheng Sun,^# Ji Zhang,^# Huajie Luo, Yonghao Yao, Xingcheng Wang, He Qi, Shiqing Deng, Jue Liu, Leighanne C. Gallington, Yuanpeng Zhang, Joerg C. Neuefeind, and Jun Chen*. Local Chemical Clustering Enabled Ultrahigh Capacitive Energy Storage in Pb-Free Relaxors, J. Am. Chem. Soc. 2023, 145, 19396-19404.

[4] Zheng Sun^#, Ji Zhang^#, Huajie Luo^#, Yonghao Yao, Na Wang, Liang Chen, Tianyu Li, Changzheng Hu, He Q, Shiqing Deng, Leighanne C. Gallington, Yuanpeng Zhang, Joerg C. Neuefeind, Hui Liu*, Jun Chen*. Superior capacitive energy-storage performance in Pb-free relaxors with a simple chemical composition, J. Am. Chem. Soc. 2023, 145, 6194–6202.

[5] Huajie Luo, Zheng Sun, Ji Zhang, Hailong Xie, Yonghao Yao, Tianyu Li, Chenjie Lou, Huashan Zheng, Na Wang, Shiqing Deng, Li-Feng Zhu, Jue Liu, Joerg C. Neuefeind, Matthew G. Tucker, Mingxue Tang,* Hui Liu,* and Jun Chen*. Outstanding Energy-Storage Density Together with Efficiency of above 90% via Local Structure Design, J. Am. Chem. Soc. 2024, 146, 460−467.

[6] Hui Liu*^,#, Xiaoming Shi^#, Yonghao Yao, Huajie Luo, Qiang Li, Houbing Huang*, He Qi, Yuanpeng Zhang, Yang Ren, Shelly D. Kelly, Krystian Roleder, Joerg C. Neuefeind, Long-Qing Chen, Xianran Xing, Jun Chen*. Emergence of high piezoelectricity from competing local polar order-disorder in relaxor ferroelectrics, Nature Commun. 2023 14(1), 1007.

[7] Hui Liu, Jun Chen*, Houbing Huang, Longlong Fan, Yang Ren, Zhao Pan, Jinxia Deng, Long-Qing Chen, and Xianran Xing, Role of reversible phase transformation for strong piezoelectric performance at morphotropic phase boundary, Phys. Rev. Lett. 2018, 120, 055501.

[8] Hui Liu, Jun Chen*, Longlong Fan, Yang Ren, Zhao Pan, K. V. Lalitha, Jürgen Rödel, and Xianran Xing, Critical role of monoclinic polarization rotation in high-performance perovskite piezoelectric materials, Phys. Rev. Lett. 2017, 119, 017601.

[9] Huajie Luo^#, Hui Liu^#, Houbing Huang^#, Yu Song, Matthew G. Tucker, Zheng Sun, Yonghao Yao, Baitao Gao, Yang Ren, Mingxue Tang, He Qi, Shiqing Deng, Shujun Zhang*, Jun Chen*. Achieving giant electrostrain of above 1% in (Bi,Na)TiO3-based lead-free piezoelectrics via introducing oxygen-defect composition. Sci. Adv. 2023, 9, eade7078.

[10] Hui Liu*, Zheng Sun, Ling Li, Baotao Gao, Yueyun Zhang, He Qi, Kenichi Kato, Krystian Roleder, Yang Ren, Jun Chen*, Correlating hidden local structural distortion with antiferroelectric-ferroelectric transition in PbZrO₃-based perovskites, Acta Mater. 243 (2023) 118505.

[11] Hui Liu, Longlong Fan, Shengdong Sun, Kun Lin, Yang Ren, Xiaoli Tan, Xianran Xing, Jun Chen*, Electric-field-induced structure and domain texture evolution in PbZrO₃-based antiferroelectric by in-situ high-energy synchrotron x-ray diffraction, Acta Mater. 2020, 184, 41-49.

[12] Huajie Luo, He Qi, Shengdong Sun, Lu Wang, Yang Ren, Hui Liu*, Shiqing Deng∗, Jun Chen*, Structural origin for the high piezoelectric performance of (Na_0.5Bi_0.5)TiO₃-BaTiO₃-BiAlO₃ lead-free ceramics, Acta Mater. 2021, 218, 117202.

[13] Huajie Luo^#, Hui Liu^#, Shiqing Deng, Shuxian Hu, Lu Wang, Botao Gao, Shengdong Sun, Yang Ren, Lijie Qiao, Jun Chen*. Acta Mater. 2021, 208, 116711.

[14] Shengdong Sun, Ye Liu, Yueyun Zhang, Lu Wang, Chuanrui Huo, Shiqing Deng, Hui Liu*, Yang Ren, Jie Wu, He Qi*, Jun Chen*, Superior high-temperature piezoelectric performances in BF-PT-BT ceramics via electric field constructed phase boundary, Acta Mater. 2022 239, 118285.

[15] Lu Wang, He Qi, Shiqing Deng, Lingzhi Cao, Hui Liu*, Shuxian Hu, Jun Chen*. Design of superior electrostriction in BaTiO3-based lead-free relaxors via the formation of polarization nanoclusters, InfoMat (2023), 5 e12362.

[16] Botao Gao, Wenjie Zhou, Hui Liu,* He Qi, Shiqing Deng, Shi Liu,* and Jun Chen*. What Determines the Critical Electric Field of AFE-to-FE in Pb(Zr,Sn,Ti)O3‑Based Perovskites? Nano Lett. (2023), 23, 948−953.

[17] Yueyun Zhang, He Qi, Shengdong Sun, Ye Liu, Botao Gao, Lu Wang, Chuanrui Huo, Yang Ren, Shiqing Deng*, Hui Liu*, Jun Chen*, Ultrahigh piezoelectric performance benefiting from quasi-isotropic local polarization distribution in complex lead-based perovskite, Nano Energy 2022, 104, 107910.

[18] Hui Liu*, Zheng Sun, Shengdong Sun, Yueyun Zhang, Huajie Luo, He Qi, Laijun Liu, Joerg C. Neuefeind, Xianran Xing, Jun Chen*. Evolving differentiated local polar displacement and relaxor behavior in Pb(Mg1/3Nb2/3)O3−PbTiO3 perovskites, Chem. Mater. 2022 34, 3985−3992.

[19] Hui Liu*, Zheng Sun, Shengdong Sun, Huajie Luo, He Qi, Jun Chen*. Local monoclinic polarization rotation promoting a different domain alignment in rhombohedral Pb(Zr,Ti)O₃ ferroelectrics. Phys. Rev. B 2022 105, 094118.

[20] Shengdong Sun, Hui Liu*, Yang Ren, Manuel Hinterstein*, Jun Chen*, Revealing intrinsic and extrinsic piezoelectric contributions in phase coexistence system of PbTiO3-BiScO3, Sci. China. Mater. 2022, 65(1): 170–178.

[21] Yueyun Zhang, Hui Liu*, Shengdong Sun, Ye Liu, Chuanrui Huo, He Qi, Shiqing Deng*, Jun Chen. High Piezoelectric Performance in Pb(Ni_1/3Nb_2/3)O₃−Pb(Sc_1/2Nb_1/2)O₃−PbTiO₃ Ternary System Featuring Small Structural Distortion and Heterogeneous Domain Configuration. ACS Appl. Mater. Interfaces 2022, 14, 11, 13528–13538

[22] Ye Liu, Hui Liu*, Shengdong Sun, Lu Wang, Jun Chen. Direct observation of electric field-induced tetragonal-orthorhombic phase transition in KNN-based piezoelectric ceramics via in-situ synchrotron diffraction, Scripta Mater. 2022, 207, 114283.

[23] Lu Wang, Shengdong Sun, Huajie Luo, Yang Ren, Hui Liu*, Xianran Xing, Jun Chen*, Boosted piezoelectricity with excellent thermal stability in tetragonal NaNbO₃-based ceramics, J. Mater. Chem. A 2021, 9, 2367-2374.

[24] Shengdong Sun, Yueyun Zhang, Longlong Fan, Shiqing Deng, Botao Gao, Yang Ren, Hui Liu*, Jun Chen*. Role of tetragonal distortion on domain switching and lattice strain of piezoelectrics by in-situ synchrotron diffraction. Scripta Mater. 2021, 194, 113627.

[25] Hui Liu^#, Zhengyang Zhou^#, Yi Qiu^#, Botao Gao, Shengdong Sun, Kun Lin, Lei Ding, Qiang Li, Yili Cao, Yang Ren, Junliang Sun*, Xianran Xing, Jun Chen*, An intriguing intermediate state as a bridge between antiferroelectric and ferroelectric perovskites, Mater. Horiz. 2020, 7, 1912-1918.

科研项目：

1. 国家自然基金委面上项目，主持，（2021.01-2024.12）

2. 国家自然基金委青年项目，主持，（2021.01-2023.12）

3. 博士后创新人才支持计划，主持，（2020.06-2023.06）

4. 博士后科学基金面上项目（二等），主持，（2020.08-2022.08）

5. 新金属国家重点实验室开放基金重点项目，主持，（2020.07-2022.07）

6. 基本科研业务费，主持，（2020.06-2024.06）

7. 松山湖科学城散裂中子源开放基金，主持，(2024-2026)

8. 参与国家自然科学基金国际合作、国家重点研发计划等项目多项

授权发明专利：

1. 刘辉，孙正，罗华杰，陈骏；一种兼具高储能密度，高功率密度的钛酸钡基弛豫铁电陶瓷材料及制备方法，ZL202210373275.4

2. 刘辉，孙正，罗华杰，陈骏；一种兼具高储能密度，高功率密度和高效率的钛酸铋钠基弛豫铁电陶瓷材料及其制备方法，ZL202210745912.6

获得奖励：

1. 第5批博士后创新人才支持计划（2020年）

2. 北京市科协青年人才托举工程（2024年）

3. 北京科技大学第四层次青年人才（北科青年学者）

4. 北京科技大学优秀博士后（2023年）

5. 北京科技大学第十四届校长奖章（2020年）

6. 北京科技大学优秀博士学位论文（2020年）

7. 国家留学基金委公派留学奖学金（2018年）

学术任职：

1. 中国晶体学会局域结构与全散射分会委员及副秘书长

2. Chinese Chemical Letters（中科院一区，IF = 8.4）青年编委

3. Progress in Natural Science-Materials International（中科院二区，IF = 4.2）青年编委

4. Microstuctures期刊青年编委