Figure 2 (IMAGE)

Tohoku University

Figure 2

Caption

(a) Schematic of the spin rectifier device (magnetic tunnel junction) and its scanning electron microscopy image. (b) Demonstration of energy harvesting. The generated voltage output by an array of spin rectifiers is connected across a capacitor to a DC-to-DC booster converter. The amplified voltage output by the converter powers the temperature sensor. The multimeter displays the output voltage of the spin rectifier array (24.1 mV) and the temperature sensor displays the room temperature (23.4 ℃). 

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©Shunsuke Fukami & Hyunsoo Yang

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