What is it about?
Spin current is a key ingredient for developing energy-efficient magnetic memory technology. Here, we show that the proximity effect at the interface between a ferroelectric and ferromagnetic material enables a highly efficient spin current generation. More surprisingly, the spin current generation's efficacy is as per the conventional spintronic materials.
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Why is it important?
The conventional wisdom suggests that for spin current generation one typically requires heavy metal, topological insulator, and two-dimensional electron gas system. This work highlights another pathway to generate spin currents by interfacial proximity effect, thereby, expanding the scope materials for spintronic applications.
Perspectives
Opens possibility to control magnetism or spintronics functionalities with ferroelectricity.
Saikat Das
Indian Institute of Technology Kharagpur
Read the Original
This page is a summary of: Observation of charge-to-spin conversion with giant efficiency at Ni0.8Fe0.2/Bi2WO6 interface, APL Materials, April 2023, American Institute of Physics,
DOI: 10.1063/5.0142695.
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