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 E-Mail IMAGE: Schematic of the proof-of-concept demonstration of harvesting a wireless signal of 2.4 GHz using electrically-connected eight magnetic tunnel junctions view more  Credit: S.Fukami Researchers at the National University of Singapore (NUS) and Tohoku University have demonstrated that an array of electrically connected spintronic devices can harvest a 2.4 GHz wireless signal, which can be used to power and charge small electronic devices and sensors. The researchers from NUS and Tohoku University have successfully synchronized the four electrically connected magnetic tunnel junction (MTJ), for the signal transmission at 2.4 GHz. Furthermore, the eight MTJs array was integrated with the conventional battery-free electronics to harvest a wireless signal of 2.4 GHz to a DC signal, which is used to power light emitting diodes (LED).

Hyunsoo yangShunsuke fukamiNational university of singaporeTohoku universityNational universityProfessor hyunsoo yangTechnology engineering computer scienceதேசிய பல்கலைக்கழகம் ஆஃப் சிங்கப்பூர்தோஹோக்கு பல்கலைக்கழகம்தேசிய பல்கலைக்கழகம்தொழில்நுட்பம் பொறியியல் கணினி அறிவியல்