Three C2v-symmetric 2D Ruddlesden-Popper perovskites show shift currents up to 69 μA/V² correlated with octahedral distortion and symmetry-protected persistent spin helices enabling nonvolatile electrical control.
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2D Ferroelectric Ruddlesden-Popper Perovskites: an Emerging Fully Electronically Controllable Shift Current and Persistent Spin Helix
Three C2v-symmetric 2D Ruddlesden-Popper perovskites show shift currents up to 69 μA/V² correlated with octahedral distortion and symmetry-protected persistent spin helices enabling nonvolatile electrical control.