Nitrogen based solid state magneto-ionics

Christopher J. Jensen; Zhijie Chen; Alberto Quintana; Patrick Quarterman; Alexander J. Grutter; Purnima P. Balakrishnan; Huairuo Zhang; Albert V. Davydov; Chen Liu; Xixiang Zhang; Kai Liu

doi:10.1117/12.3028893

4 October 2024 Nitrogen based solid state magneto-ionics

Christopher J. Jensen, Zhijie Chen, Alberto Quintana, Patrick Quarterman, Alexander J. Grutter, Purnima P. Balakrishnan, Huairuo Zhang, Albert V. Davydov, Chen Liu, Xixiang Zhang, Kai Liu

Author Affiliations +

Proceedings Volume PC13119, Spintronics XVII; PC131190L (2024) https://doi.org/10.1117/12.3028893
Event: Nanoscience + Engineering, 2024, San Diego, California, United States

Abstract

Solid state magneto-ionic (MI) effects, which can be achieved through controlled ionic migration at atomic scale interfaces in magnetic nanostructures, have shown promise for energy-efficient nanoelectronics. Our recent efforts reach outside of the often-explored oxygen-based MI systems, and have focused on alternative ionic species, including nitrogen. Two nitrogen-based systems, Ta/CoFe/MnN/Ta and the all-nitride Mn4N/MnNx, show MI manipulation of magnetic properties including saturation magnetization and exchange bias. Such MI systems are valuable platforms to gain quantitative understanding at buried interfaces and they demonstrate contrasts with oxygen-based MI effects in terms of operating principles, switching speed, and reversibility.

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Christopher J. Jensen, Zhijie Chen, Alberto Quintana, Patrick Quarterman, Alexander J. Grutter, Purnima P. Balakrishnan, Huairuo Zhang, Albert V. Davydov, Chen Liu, Xixiang Zhang, and Kai Liu "Nitrogen based solid state magneto-ionics", Proc. SPIE PC13119, Spintronics XVII, PC131190L (4 October 2024); https://doi.org/10.1117/12.3028893

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