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Home / Regular Issue / JTAS Vol. 31 (3) Apr. 2023 / JST-3883-2022


Study and Simulation of the Electric Field-Induced Spin Switching in PZT/NiFe/CoFe Nanostructured Composites

Minh Hong Thi Nguyen, Thanh Tien Pham, Nam Van La, Soo Kien Chen and Tiep Huy Nguyen

Pertanika Journal of Tropical Agricultural Science, Volume 31, Issue 3, April 2023


Keywords: Electric field controlled magnetic anisotropy, Monte Carlo and NMAG simulations, nanostructured composites

Published on: 7 April 2023

In this work, we have studied the electric field-induced spin switching in the PZT/NiFe/CoFe nanostructured composites by sputtering ferromagnetic layers on a horizontal polarized piezoelectric PZT substrate. The electric field-induced change in the magnetization orientation was investigated systematically using a vibrating sample magnetometer and analytical simulations. The results revealed that electric field applications could indirectly control the magnetic spin orientations. Moreover, the magnetization change depends not only on the electric field but also on the direction of the electric field applying against the magnetic field. The images of magnetic moment orientations under various electric field applications are modeled by the Monte Carlo and NMAG simulations. In particular, a critical electric field of Ecr ≈ 300 kV/cm, which makes a 90o spin switching, was determined. These results are proposed to offer an opportunity for random access memory applications.

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