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Getting current pulses under control

Ultrafast spin currents in iron-based heterostructures generate terahertz radiation bursts whose frequency can be tailored through structural engineering.

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Figure 1: Schematic of the approach used by Kampfrath and colleagues3 to generate and detect ultrashort spin-current bursts.


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Correspondence to Richard D. Averitt.

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Averitt, R. Getting current pulses under control. Nature Nanotech 8, 232–233 (2013).

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