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PreprintarXiv licencearXiv

Current-Driven Magnetization Switching via Zhang-Li Torque

  • Shuai Li
  • Maokang Shen
  • Liuyu Tang
  • Weiwei Lin
  • Kaiming Cai
  • Tao Wang
  • Tianli Jin
  • Yue Zhang
Open at sourcePDFDOICite

Abstract

Current-driven magnetization switching is currently governed by two established mechanisms: the Slonczewski spin-transfer torque (STT) and the spin-orbit torque (SOT). Here we identify the Zhang-Li STT as a third mechanism that operates on a different physical footing. Using micromagnetic simulations, we show that the interfacial Dzyaloshinskii-Moriya interaction (iDMI) inevitably creates spatial magnetization gradients at device edges, enabling the Zhang-Li torque to drive deterministic, field-assisted switching that fully reproduces all hallmark behaviors of SOT, including polarity control and effective-field characteristics. Our work establishes the Zhang-Li torque as an autonomous switching pathway, redefining the physical picture of current-induced magnetization reversal and providing new design principles for spintronic devices.

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Cite

BibTeXRIS
BibTeX
@misc{li2026currentdriven,
  title = {{Current-Driven Magnetization Switching via Zhang-Li Torque}},
  author = {Shuai Li and Maokang Shen and Liuyu Tang and Weiwei Lin and Kaiming Cai and Tao Wang and Tianli Jin and Yue Zhang},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2607.26392},
  eprint = {2607.26392},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.26392},
}
RIS
TY  - UNPB
TI  - Current-Driven Magnetization Switching via Zhang-Li Torque
AU  - Shuai Li
AU  - Maokang Shen
AU  - Liuyu Tang
AU  - Weiwei Lin
AU  - Kaiming Cai
AU  - Tao Wang
AU  - Tianli Jin
AU  - Yue Zhang
PY  - 2026
DA  - 2026/09/10
PB  - arXiv
DO  - 10.48550/arxiv.2607.26392
UR  - https://arxiv.org/abs/2607.26392
AB  - Current-driven magnetization switching is currently governed by two established mechanisms: the Slonczewski spin-transfer torque (STT) and the spin-orbit torque (SOT). Here we identify the Zhang-Li STT as a third mechanism that operates on a different physical footing. Using micromagnetic simulations, we show that the interfacial Dzyaloshinskii-Moriya interaction (iDMI) inevitably creates spatial magnetization gradients at device edges, enabling the Zhang-Li torque to drive deterministic, field-assisted switching that fully reproduces all hallmark behaviors of SOT, including polarity control and effective-field characteristics. Our work establishes the Zhang-Li torque as an autonomous switching pathway, redefining the physical picture of current-induced magnetization reversal and providing new design principles for spintronic devices.
ER  -