Prof. Yisheng Chai

Email:yschai@cqu.edu.cn

Office：Room LE204, Science Building, Campus D, Chongqing University

Education

• 2000-2007: Doctor of Science in Physics, University of Science and Technology of China

• 1996-2000: Bachelor of Science in Physics, University of Science and Technology of China

Experences

• 2017-Present: Professor, Chongqing University, China

• 2012-2017: Associate researcher, Institute of Physics Chinese Academy of Sciences, China.

• 2005-2012: Postdoctoral Fellow, Seoul National University, South Korea

• 2004-2005: Guest Scientist, Risoe National Laboratory, Denmark

Research Interests

Yisheng Chai's group is focusing on the quantum phenomenon of strong correlated materials under extreme conditions(low temperature and strong magnetic fields) by means of electrical and thermal transport, thermal-expansion, magnetostriction, specific heat, magnetization and point-contact spectroscopy. Current ongoing research covers the following topics:

• Coupling behavior of single phase and composite multiferroic and magnetoelectric
• Superconductivity and strong correlation system
• Development of thermal transport measurement, high magnetic field measurement and other magnetic measurement methods

Fundings

• The general program of NSFC is to study the magnetic flux vortex, sigmin subsystem and its dynamic behavior by using the composite magnetoelectric coupling technology, 2020/1-2023/12, 630,000 RMB, Host

• The general program of NSFC is to study multifield control of electric dipole geometric frustration system in hexagonal ferrite, 2017/1-2020/12, 670,000 RMB, Host

• The key projects of NSFC is to study novel multiferroic materials and magnetoelectric coupling prototype devices, 2016/1- 2020/12, 3.05 million RMB, Participation

• The general program of NSFC is to study micromechanism of giant magnetoelectric coupling effect of multiferroic hexaferrite, 2014 / 1-2017 / 12, 890,000 yuan, Host

Selective Publications

arXiv e-print

• Hai Zeng, Xuanwei Zhao, Guang Yu, Xiaohua Luo, Shengcan Ma, Changcai Chen, Zhaojun Mo, Yugang Zhang, Yisheng Chai, Jun Shen, Zhenchen Zhong, Giant and robust topological Hall effect in Chiral Magnet Co₇Zn₈Mn₅ , arXiv:2110.15679 (2021).

2024

• Yonghong Li, Jing Zhang, Linfeng Jiang, Long Zhang, Yugang Zhang, Xueliang Wu, Yisheng Chai, Xiaoyuan Zhou, Zizhen Zhou Optimization of noncollinear magnetic ordering temperature in Y-type hexaferrite by machine learning, Appl. Phys. Lett. 125, 032903 (2024).

• Long Zhang, Tianyang Wang, Yugang Zhang, Shuang Liu, Yuping Sun, Xiaoyuan Zhou, Young Sun, Mingquan He, Aifeng Wang, Xuan Luo, Yisheng Chai Comprehensive investigation of quantum oscillations in semimetal using an ac composite magnetoelectric technique with ultrahigh sensitivity, npj Quantum Materials 9, 11 (2024).

2023

• Yugang Zhang, Zefang Li, Jing Zhang, Ning Cao, Long Zhang, Yonghong Li, Shuang Liu, Xiaoyuan Zhou, Young Sun, Wenhong Wang, and Yisheng Chai, Observation of enhanced ferromagnetic spin-spin correlations at a triple point in quasi-two-dimensional magnets, Phys. Rev. B 107, 134417 (2023).

2022

• Guangxiu Liu, Maocai Pi, Long Zhou, Zhehong Liu, Xudong Shen, Xubin Ye, Shijun Qin, Xinrun Mi, Xue Chen, Lin Zhao, Bowen Zhou, Jia Guo, Xiaohui Yu, Yisheng Chai, Hongming Weng and Youwen Long, Physical realization of topological Roman surface by spin-induced ferroelectric polarization in cubic lattice, Nat. Commun. 13 2373 (2022).

• Ning Cao, Xue Chen, Xinrun Mi, Saisai Qiao, Liyu Zhang, Kunling Peng, Mingquan He, Aifeng Wang, Yisheng Chai, Xiaoyuan Zhou, Angle dependent field-driven reorientation transitions in uniaxial antiferromagnet MnBi₂Te₄ single crystal , Appl. Phys. Lett. 120, 163102 (2022).

• Maocai Pi, Xifan Xu, Mingquan He, Yisheng Chai, Microscopic origin of the spin-induced linear and quadratic magnetoelectric effects , Phys. Rev. B 105, L020407 (2022).

2021

• Yongjin Chen, Bin Zhang, Yongsheng Zhang, Hong Wu, Kunling Peng, Hengquan Yang, Qing Zhang, Xiaopeng Liu, Yisheng Chai, Xu Lu, Guoyu Wang, Ze Zhang, Jian He,Xiaodong Han, and, Xiaoyuan Zhou, Atomic-Scale Visualization and Quantification of Configurational Entropy in Relation to Thermal Conductivity: A Proof-of-Principle Study in t-GeSb₂Te₄ , Adv. Sci.8,2002051 (2021).

• Jing Zhang, Na Su, Xinrun Mi, Maocai Pi, Haidong Zhou, Jinguang Cheng, and, Yisheng Chai, Probing magnetic symmetry in antiferromagnetic Fe₄Nb₂O₉ single crystals by linear magnetoelectric tensor , Phys. Rev. B 103, L140401(2021).

• Yi-Sheng Chai, Jun-Zhuang Cong, Jin-Cheng He, Dan Su, Xia-Xin Ding, John Singleton, Vivien Zapf, and, Young Sun, Giant magnetostriction and nonsaturating electric polarization up to 60 T in the polar magnet CaBaCo₄O₇ , Phys. Rev. B 103, 174433 (2021).

• Hong Wu, Xiangnan Gong, Yi Peng, Long Zhang, Bin Zhang, Kunling Peng, Jie Liu, Guang Han, Aifeng Wang, Yisheng Chai, Mingquan He, Haoshuang Gu, Emmanuel Guilmeau, Guoyu Wang, Xu Lu, and, Xiaoyuan Zhou, Identification of vibrational mode symmetry and phonon anharmonicity in SbCrSe₃ single crystal using Raman spectroscopy , Sci. China Mater. 64(11): 2824–2834 (2021).

• Guangxiu Liu, Zhehong Liu, Yisheng Chai, Long Zhou, Xudong Shen, Xubin Ye, Shijun Qin, Dabiao Lu, Zhiwei Hu, Liu Hao Tjeng, Hong-Ji Lin, Chien-Te Chen, Xiaohui Yu, and, Youwen Long, Magnetic and electric field dependent anisotropic magnetoelectric multiferroicity in SmMn₃Cr₄O₁₂ , Phys.Rev.B 103, 174413 (2021).

• Yisheng Chai, Peipei Lu, Haifeng Du, Jianxin Shen, Yinina Ma, Kun Zhai, Le Wang, Youguo Shi, Hang Li, Wenhong Wang, and, Young Sun, Probe of skyrmion phases and dynamics in MnSi via the magnetoelectric effect in a composite configuration , Phys. Rev. B 104, L100413 (2021).

2018

• Junzhuang Cong, Kun Zhai, Yisheng Chai, Dashan Shang, Dmitry D. Khalyavin, Roger D. Johnson, Denis P. Kozlenko, Sergey E. Kichanov, Artem M. Abakumov, Alexander A. Tsirlin, L eonid Dubrovinsky, Xueli Xu. Zhigao Sheng.Sergey V. Ovsyannikov and Young Sun, Spin-induced multiferroicity in the binary perovskite manganite Mn₂O₃, Nature Communications - Published in 2018

2017

• Kun Zhai, Yan Wu, Shipeng Shen, Wei Tian, Huibo Cao, Yisheng Chai, Bryan C. Chakoumakos, Dashan Shang, Liqin Yan, Fangwei Wang & Young Sun, Giant magnetoelectric effects achieved by tuning spin cone symmetry in Y-type hexaferrites, Nature Communications volume 8, Article number: 519 (2017)

2016

• Shi-Peng Shen, Jia-Chuan Wu, Jun-Da Song, Xue-Feng Sun, Yi-Feng Yang, Yi-Sheng Chai, Da-Shan Shang, Shou-Guo Wang, James F. Scott & Young Sun, Quantum electric-dipole liquid on a triangular lattice, Nature Communications volume 7, Article number: 10569 (2016)

2015

• Wang, Xiao, Chai, Yisheng Long Zhou, Huibo Cao, Clarina-dela Cruz, Junye Yang, Jianhong Dai, Yunyu Yin, Zhen Yuan, Sijia Zhang, Runze Yu, Masaki Azuma, Yuichi Shimakawa, Huimin Zhang, Shuai Dong, Young Sun, Observation of magnetoelectric multiferroicity in a cubic perovskite system: LaMn₃Cr₄O₁₂, Physical Review Letters, 115, 087601 (2015)

2014

• Yi Sheng Chai, Sangil Kwon, Sae Hwan Chun, Ingyu Kim, Byung-Gu Jeon, Kee Hoon Kim & Soonchil Lee , Electrical control of large magnetization reversal in a helimagnet, Nature Communications volume 5, Article number: 4208 (2014)

• Ying Tian, Wei Wang, Yisheng Chai, Junzhuang Cong, Shipeng Shen, Liqin Yan, Shouguo Wang, Xiufeng Han, and Young Sun,Quantum Tunneling of Magnetization in a Metal-Organic Framework,Phys. Rev. Lett. 112, 017202

2012

• Sae Hwan Chun, Yi Sheng Chai, Byung-Gu Jeon, Hyung Joon Kim, Yoon Seok Oh, Ingyu Kim, Hanbit Kim, Byeong Jo Jeon, So Young Haam, Ju-Young Park, Suk Ho Lee, Jae-Ho Chung, Jae-Hoon Park, and Kee Hoon Kim, Electric Field Control of Nonvolatile Four-State Magnetization at Room Temperature, Phys. Rev. Lett. 108, 177201

• Sae Hwan Chun, Yi Sheng Chai, Yoon Seok Oh, Deepshikha Jaiswal-Nagar, So Young Haam, Ingyu Kim, Bumsung Lee, Dong Hak Nam, Kyung-Tae Ko, Jae-Hoon Park, Jae-Ho Chung, and Kee Hoon Kim, Realization of Giant Magnetoelectricity in Helimagnets,Phys. Rev. Lett. 104, 037204