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Recently, the research team at Beihang University’s School of Integrated Circuit Science and Engineering, under the leadership of Professor Zhao Weisheng and Professor Zhang Yue, has achieved a remarkable milestone in the realm of ferrimagnetic spintronic devices. By harnessing the distinctive dual-sublattice magnetic properties inherent to ferrimagnetic materials, the team introduced a voltage-driven approach to govern asymmetric hydrogen ion migration. This innovative method successfully established an unconventional ‘domain wall-free’ magnetic configuration. Such a configuration facilitates the complete electric manipulation of perpendicular magnetic moments, eliminating the necessity for an external magnetic field and offering a novel pathway for efficient and reliable information encoding in ferrimagnetic spintronic devices.
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