Perovskite are promising as spintronic materials, researchers develop two new perovskite spintroncis devices
Researchers from the University of Utah developed two spintronics devices based on perovskite materials. The researchers use these new devices to demonstrate the high potential of perovksites for spintronics systems. This is a followup to the exciting results announced in 2017 by the same group that showed advantages of perovskites for spintronics.
The researchers use an organic-inorganic hybrid perovskite material that has a heavy lead atom that features strong spin-orbit coupling and a long injected spin lifetime.The first device us a spintronic LED which works with a magnetic electrode instead of an electron-hole electrode. The perovskite LED lights up with circularly polarized electroluminescence.
The second device is a perovskite spin valve. In such a device, an external magnetic field flips the polarity of magnetic materials in the valve between an open, low-resistance state and a closed, high-resistance state. In an hybrid perovskite spin valve, however, it is also possible to inject a spin current to the device and cause to spin to precess within the device using magnetic manipulation. This could lead the way to spintronics logic devices based on such perovskite spin valves.
Source: https://www.spintronics-info.com/perovskite-materials-are-promising-spintronic-materials-researchers-develop-two-new-perovskite
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