Deterministic magnetic moment rotation in antiferromagnetic material by piezoelectric strain modulation
نویسندگان
چکیده
Abstract Antiferromagnetic (AFM) spintronic devices play a vital role in the development of novel due to their attractive features. Herein, interfacial state manipulation AFM IrMn material is investigated by combining ferroelectric single crystal Pb(Mg 1/3 Nb 2/3 ) 0.7 Ti 0.3 O 3 (PMN-PT) with an electric field (E-field)-controlled magnetic moment arrangement film. A PMN-PT/Cu/IrMn/NiFe heterostructure chosen confirm deterministic states and its angle rotation. The appropriate thickness Cu layer selected disrupt strain-mediated magnetoelectric coupling between NiFe PMN-PT substrate. film reference can reflect variation via exchange bias. When E-field applied, in-plane piezoelectric strain produced. If responds strain, rotates from [001] [1−10] depending on orientation PMN-PT. Based experimental results theoretical analyses, rotation ~20° confirmed. This work provides convincing evidence for E-field-controlled describes reliable method achieving moments, which help accelerate devices.
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ژورنال
عنوان ژورنال: Npg Asia Materials
سال: 2022
ISSN: ['1884-4049', '1884-4057']
DOI: https://doi.org/10.1038/s41427-022-00412-5