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Researcher Develops a Spin-Resolved Oscilloscope

Tuesday, March 14, 2017 2:23
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Researchers from the Tokyo Institute of Technology and Nippon Telegraph and Telephone Corporation developed a measurement instrument for plasmonics and spintronics. The so-called “spin-resolved oscilloscope” is seen as a step towards future “spin-plasmonics” devices that can achieve ultra-high-speed and low-energy-consumption.

Spin resolved oscilloscope scheme (TIT 2017)

The spin-resolved oscilloscope is composed of a spin filter and nanometer-scale time-resolved charge detectors. The spin filter separates the spin-up and -down electrons, while the time-resolved charge detector measures the waveforms of the charge-density waves. By combining these spintronic and plasmonic devices, the spin-resolved oscilloscope is established.

The new device enables the measurement of the waveforms of both charge and spin signals in electronic devices. The charge signal is the total charge of the spin-up and -down electron densities, while the spin signal is the difference between the spin-up and -down electron densities.



Source: http://www.spintronics-info.com/researcher-develop-spin-resolved-oscilloscope

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