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Efficient Edelstein effects in one-atom-layer Tl-Pb compound

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arxiv 1807.08958 v1 pith:4TUIVLQT submitted 2018-07-24 cond-mat.mes-hall cond-mat.mtrl-sci

Efficient Edelstein effects in one-atom-layer Tl-Pb compound

classification cond-mat.mes-hall cond-mat.mtrl-sci
keywords edelsteintl-pbdirecteffectsinversecompoundcompoundsconversion
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We have investigated direct and inverse Edelstein effects in a one-atom-layer Tl-Pb compound with a large Rashba-type spin splitting. In spin pumping experiments at room temperature, spin-to-charge conversion voltage due to the inverse Edelstein effect is clearly observed in Py/Cu/Tl-Pb trilayer samples. To confirm efficient spin-charge interconversion in Tl-Pb compounds, the direct Edelstein effect is also studied in the same trilayer samples by measuring modulation of the effective magnetization damping in the Py layer via the charge-to-spin conversion in the Tl-Pb layer. Using both the results of direct and inverse Edelstein effects, the Edelstein length is estimated to be ~0.1 nm for Tl-Pb compounds.

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