Research Introduction

A brief introduction of my current research can be found here


Journal Papers

30. Anomalous switching pattern in the ferrimagnetic memory cell
   Z. Xu, Z. Yuan, X. Zhang, Z. Xu, Y. Qiao, Y. Yang, Z. Zhu*
  J. Magn. Magn. Mater. 172614 (2024)

29. Orthogonal spin–orbit torque-induced deterministic switching in NiO
   Y. Qiao, Z. Xu, Z. Xu, Y. Yang, Z. Zhu*
  Appl. Phys. Lett. 125, 182403 (2024)

28. Implementing batch normalization-like algorithm with a single spintronic neuron
   Z. Xu#, Y. Xin#, Z. Yuan, K. Zhou, Y. Yang, S. Gao, Z. Zhu*
  Chinese Science Bulletin (2024)

27. Integrated Artificial Neural Network with Trainable Activation Function Enabled by Topological Insulator-Based Spin–Orbit Torque Devices
   P. Huang, X. Liu, Y. Xin, Y. Gu, A. Lee, Y. Zhang, Z. Xu, P. Chen, Y. Zhang, W. Deng, G. Yu, D. Wu, Z. Liu, Q. Yao, Y. Yang, Z. Zhu*, and X. Kou*
  ACS Nano 4c03278 (2024)

26. Highly Efficient Spin Injection and Readout Across Van Der Waals Interface
   H. Chen, W. Tian, L. Zhang, P. Song*, L. Jia, J Chen, Z. Zhu , Y. P. Feng, K. P. Loh*
  Small 2403073 (2024)

25. Non-Hermitian spin dynamics in a coupled ferrimagnetic system
   X. Zhang, C. Liu, Z. Zhu* , Y. Zhang*
  Phys. Rev. B 109, 184426(2024)

24. Deterministic Deterministic spin-orbit torque switching including the interplay between spin polarization and kagome plane in Mn3Sn
   Z. Xu, X. Zhang, Y. Qiao, G. Liang, S. Shi*, Z. Zhu*
   Phys. Rev. B 109, 134433 (2024)
  arXiv:2308.08091. (2023)

23. Tunable and inhomogeneous current-induced THz-oscillation dynamics in the ferrimagnetic spin-chain
   B. Cai, X. Zhang, Z. Zhu , G. Liang*
   Commun. Phys. 7, 94 (2024)

22. Spin-transfer-torque induced spatially nonuniform switching in ferrimagnets
   X. Zhang, Z. Xu, J. Ren, Y. Qiao, W. Fan*, Z. Zhu*
   Appl. Phys. Lett. 124, 012405 (2024)

21. Efficient domain wall motion driven by the out-of-plane spin polarization
   J. Long, Y. Yang, S. Shi, X. Fong, G. Liang, Z. Zhu*
   arXiv:2303.08378 (2023)

20. Room temperature field-free switching of CoFeB/MgO heterostructure based on large-scale few-layer WTe2
   X. Wang, H. Wu, R. Qiu, X. Huang, J. Zhang, J. Long, Y. Yao, Y. Zhao, Z. Zhu, J. Wang, S. Shi*, H. Chang*, W. Zhao*
   Cell Rep. Phys. Sci. 101468 (2023)

19. Field-Free Spin–Orbit Torque Switching of an Antiferromagnet with Perpendicular Néel Vector
   Z. Xu, J. Ren, Z. Yuan, Y. Xin, X. Zhang, S. Shi, Y. Yang, and Z. Zhu*
    J. Appl. Phys. 133, 153904 (2023)

18. Anomalous Impact of Thermal Fluctuations on Spin Transfer Torque Induced Ferrimagnetic Switching
   Z. Yuan, J. Long, Y. Xin, Z. Xu, L. An, J. Ren, X. Zhang, Y. Yang, and Z. Zhu*
    J. Appl. Phys. 133, 153903 (2023)

17. Temperature-insensitive reading of a flash memory cell
   W. Zhang, T. Yu, Z. Zhu, and B. Li*
   J. Semicond. 44, 044102, (2023)

16. Unconventional computing based on magnetic tunnel junction
   B. Cai, Y. He, Y. Xin, Z. Yuan, X. Zhang, Z. Zhu*, and G. Liang*
   Appl. Phys. A 129, 236 (2023) Editor's Choice

15. Comparative Study of Temperature Impact in Spin-Torque Switched Perpendicular and Easy-Cone MTJs
   J. Long, Q. Hu, Z. Yuan, Y. Zhang, Y. Xin, J. Ren, B. Dong, G. Li, Y. Yang, H. Li*, and Z. Zhu*
   Nanomaterials 13, 337 (2023)

14. Electrical Tunable Spintronic Neuron with Trainable Activation Function
   Y. Xin, K. Zhou, X. Fong, Y. Yang, S. Gao, Z. Zhu*
   arXiv:2211.13391 (2022)

13. Spatially nonuniform oscillations in ferrimagnets based on an atomistic model
   X. Zhang, B. Cai, J. Ren, Z. Yuan, Z. Xu, Y. Yang, G. Liang*, and Z. Zhu*
   Phys. Rev. B 106, 184419 (2022)

12. Magnetodynamic properties on square patterned of FeGaB and Al2O3/FeGaB thin films
   K. Yadagiri*, J. Long, Y. Wang, Z. Zhu, and T. Wu
   J Mater Sci: Mater Electron,15927–15935 (2022)

11. Optimal Spin Polarization for Spin-Orbit-Torque Memory and Oscillator
   Z. Fu, A.K. Shukla, Z. Mu, K. Lu, Y. Dong, Z. Luo, X. Qiu, Z. Zhu*, and Y. Yang*
   IEEE Transactions on Electron Devices, 1557-9646 (2022)

10. An Overview of Spintronic True Random Number Generator
   Z. Fu, Y. Tang, X. Zhao, K. Lu, Y. Dong, A. Shukla, Z. Zhu, and Y. Yang*
   Frontiers in Physics 9, 172(2021)

9. Voltage-Controlled Spintronic Stochastic Neuron for Restricted Boltzmann Machine with Weight Sparsity
   J. Deng*, V.P.K. Miriyala, Z. Zhu, X. Fong, and G. Liang*
   IEEE Electron Devices Lett., 41, 7 (2020)

8. Electrical generation and detection of terahertz signal based on spin-wave emission from ferrimagnets
   Z. Zhu*, K. Cai, J. Deng, V.P.K. Miriyala, H. Yang, X. Fong, and G. Liang*
   Physical Review Applied 13, 034040 (2020)

7. Ultrafast and energy-efficient spin–orbit torque switching in compensated ferrimagnets
   K. Cai, Z. Zhu, J.M. Lee, R. Mishra, L. Ren, S.D. Pollard, P. He, G. Liang, K.L. Teo, and H. Yang*
   Nature Electronics 3, 37 (2020)

6. All-electric magnetization switching and Dzyaloshinskii-Moriya interaction in WTe2/ferromagnet heterostructures
   S. Shi, S. Liang, Z. Zhu, K. Cai, S. D. Pollard, Y. Wang, J. Wang, Q. Wang, P. He, J. Yu, G. Eda, G. Liang, and H. Yang*
   Nature Nanotechnology 14, 945 (2019)

5. Voltage-input spintronic oscillator based on competing effects for large output power
   Z. Zhu*, J. Deng, X. Fong, and G. Liang*
   Journal of Applied Physics 125, 183902 (2019)

4. Spin-wave mediated interactions for Majority Computation using Skyrmions and Spin-torque Nano-oscillators
   V.P.K. Miriyala, Z. Zhu, G. Liang, X. Fong
   Journal of Magnetism and Magnetic Materials 486, 165271 (2019)

3. Damping-like spin-orbit-torque-induced magnetization dynamics in ferrimagnets based on Landau-Lifshitz-Bloch equation
   Z. Zhu*, X. Fong, and G. Liang*
   Journal of Applied Physics 124, 193901 (2018)

2. Theoretical Proposal for Determining Angular Momentum Compensation in Ferrimagnets
   Z. Zhu*, X. Fong, and G. Liang*
   Physical Review B 97, 184410, (2018)

1. Switching based Spin Transfer Torque Oscillator with zero-bias field and large tuning-ratio
   G. Gupta*, Z. Zhu, G. Liang
   arXiv:1611.05169, (2017)


Conference Papers

23. Spin-Orbit Torque Induced Spatial Asymmetric Switching in Ferrimagnets
   Z. Kong, Z. Xu, X. Zhang, and Zhifeng Zhu*
   International Conference on Magnetism 2024, (Hyogo, Japan, September 1-September 4, 2024)

22. Vortex Motion Mediated Back-and-Forth Magnetization Switching in Ferrimagnets
   X. Zhang, Z. Xu, and Zhifeng Zhu*
   International Conference on Magnetism 2024, (Bologna, Italy, June 30-July 5, 2024)

21. Spin-Orbit Torque Switching of Mn3Sn with Spin Polarization Perpendicular to the Kagome Plane
   Z. Xu, X. Zhang, Y. Qiao, G. Liang, S. Shi, and Zhifeng Zhu*
   18th International Conference on Electronic Materials 2024, (Hong Kong, China, May 17-May 20, 2024)

20. Spin-Orbit Torque Switching of Mn3Sn in Configuration II
   Z. Xu, X. Zhang, Y. Qiao, G. Liang, S. Shi, and Zhifeng Zhu*
   IEEE International Magnetics Conference (INTERMAG), (Rio de Janeiro, Brazil, May 5-May 10, 2024)

19. Vortex Motion Mediated Back-and-Forth Magnetization Switching in Ferrimagnets
   X. Zhang, Z. Xu, and Zhifeng Zhu*
   The 68th Annual Conference on Magnetism and Magnetic Materials (MMM 2023), (Dallas, United States, Oct. 30-Nov. 3, 2023)

18. Atomistic Modelling of Spatially Resolved Oscillation Dynamics in Ferrimagnetic Spin-Chain
   X. Zhang, Z. Xu, J. Ren, Y. Qiao, and Zhifeng Zhu*
   International Conference on Solid State Devices and Materials (SSDM), (Nagoya, Japan, Sept.05-08, 2023)

17. Current Induced Spatially Nonuniform Switching in Ferrimagnets based on the Atomistic Model
   B. Cai*, X. Zhang, Zhifeng Zhu, G. Liang*
   International Conference on Solid State Devices and Materials (SSDM), (Nagoya, Japan, Sept.05-08, 2023)

16. Effect of Non-uniform Atom Distribution on Ferrimagnetic Domain Wall Motion Based on an Atomistic Model
   J. Ren, Z. Xu, X. Zhang, J. Long, Z. Yuan, and Zhifeng Zhu*
   International Conference on Solid State Devices and Materials (SSDM), (Nagoya, Japan, Sept.05-08, 2023)

15. Spin-Orbit Torque-Induced Field-Free Switching of a Perpendicular Antiferromagnet
   Zhengde Xu, Jie Ren, Zhengping Yuan, Yue Xin, Xue Zhang, and Zhifeng Zhu*
   IEEE International Magnetics Conference (INTERMAG), (Sendai, Japan, May 15-May 19, 2023)

14. 基于双亚晶格宏自旋模型的自旋力矩驱动亚铁磁动力学研究
   袁正平, 辛玥, 安丽华, 徐正德, 张雪, 龙靖威, 任杰, 祝智峰*
   中国物理学会CPS2022秋季学术会议, (深圳, 中国, Nov. 17-Nov. 20, 2022)

13. 基于原子模型的亚铁磁空间动力学研究
   张雪, 任杰, 蔡葆昉, 袁正平, 徐正德, Liang Gengchiau, 祝智峰*
   中国物理学会CPS2022秋季学术会议, (深圳, 中国, Nov. 17-Nov. 20, 2022)

12. 垂直反铁磁体的无场自旋轨道力矩翻转
   徐正德, 任杰, 袁正平, 辛玥, 张雪, 史书园, 杨雨梦, 祝智峰*
   中国物理学会CPS2022秋季学术会议, (深圳, 中国, Nov. 17-Nov. 20, 2022)

11. Theoretical investigation of Tunable Ferrimagnetic Spin-Chain Oscillation Based on Atomistic Spin Model Simulation
   Baofang Cai, Xue Zhang, Zhifeng Zhu, Gengchiau Liang*
   The 67th Annual Conference on Magnetism and Magnetic Materials (MMM 2022), (Minneapolis, United States, Oct. 31-Nov. 4, 2022)

10. THz Ferrimagnetic Oscillation Based on the Atomistic Model
   Xue Zhang, Baofang Cai, Jie Ren, Zhengping Yuan, Yumeng Yang, Gengchiau Liang, and Zhifeng Zhu*
   International Conference on Solid State Devices and Materials (SSDM), (Chiba, Japan, Sept.26-29, 2022)

9. Study of Write Error Rate in MRAM with Fixed Voltage Input
   Lihua An*, Yue Xin, Zhengping Yuan, Yumeng Yang, and Zhifeng Zhu*
   International Conference on Solid State Devices and Materials (SSDM), (Chiba, Japan, Sept.26-29, 2022)

8. Out-of-plane spin polarization driven domain wall motion
   龙靖威, 杨雨梦, 祝智峰*
   第十九届全国磁学和磁性材料会议, (海南, 中国, Nov. 3-Nov. 6, 2021)

7. Spintronic Neuron with Trainable Activation Function
   辛玥, 周康, 杨雨梦, 高盛华, 祝智峰*
   第十九届全国磁学和磁性材料会议, (海南, 中国, Nov. 3-Nov. 6, 2021)

6. 基于亚铁磁材料的超快磁性随机存储器及其在类脑神经网络中的应用
   (特邀报告) 祝智峰
   第26届全国信息存储技术学术会议, (2020年9月24-25日, 上海)

5. Compact Probabilistic Poisson Neuron based on Back-Hopping Oscillation in STT-MRAM for All-Spin Deep Spiking Neural Network
   M. Wu, M. Huang, Z. Zhu, F. Liang, M. Hong, J. Deng, J. Wei, S. Sheu, C. Wu, G. Liang and T. Hou*
   2020 Symposia on VLSI Technology and Circuits, accepted

4. Temperature aware study of spin torque switching in ferrimagnetic alloy
   Zhifeng Zhu*, Xuanyao Fong, and Gengchiau Liang*
   2nd SG-SPIN/Tohuku Workshop on Spintronics (Singapore, Feb.22, 2019)

3. Ultrafast domain wall propagation in ferrimagnets by spin-orbit torques
   Kaiming Cai, Rahul Mishra, Lizhu Ren, Zhifeng Zhu, Gengchiau Liang, Kie Teo, and Hyunsoo Yang*
   Joint MMM-Intermag Conference, (Washington, DC, 2019)

2. Modeling of Spin Torque Switching in Ferrimagnetic Material Using Landau-Lifshitz-Bloch Equation
   Zhifeng Zhu*, Xuanyao Fong, and Gengchiau Liang*
   Magnetics Symposium, (Singapore, Oct.05,2017)

1. Wrangling Spin-Orbit-Torque Voltage-Controlled-Oscillator
   Zhifeng Zhu*, Gaurav Gupta*, Hsin Lin, and Gengchiau Liang
   International Conference on Solid State Devices and Materials (SSDM), (Tsukuba, Japan, Sept.27, 2016)


Thesis

SPINTRONIC OSCILLATORS FOR WIDEBAND AND THz APPLICATIONS
Z. Zhu
Ph.D Thesis


3. 赛道存储器和自旋转移磁随机存储器的改进研究
   龙靖威
   M.S. Thesis


2. 自旋突触和自旋神经元实现具有可训练激活函数的类脑计算网络
   辛玥
   M.S. Thesis


1. 低阈值电压闪存单元的结构设计与工艺研究
   张伟岩
   M.S. Thesis