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. 2016 Nov 17;7:13518. doi: 10.1038/ncomms13518

Figure 2. Device schematic and electrical detection of current-generated spin in TI.

Figure 2

Schematic (a) and top view (b) of contact layout with two parallel rows of collinear detector contacts, top row is ferromagnetic (Fe, red), bottom row is non-magnetic reference (Ti/Au). Magnetic field dependence of the voltage measured at the ferromagnetic detector contact with the magnetization collinear with the induced TI spin for bias currents of +2 mA (c) and −2 mA (d). Similar measurements at 250 K at +2 mA (e) and −2 mA (f).