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The two-dimensional (2D) bulk photovoltaic effect (BPVE) is a cornerstone forfuture highly efficient 2D solar cells and optoelectronics. The ferromagneticsemiconductor 2H-FeCl2 is shown to realize a new type of BPVE in which spatialinversion (P), time reversal (T), and space-time reversal (PT) symmetries arebroken (PT-broken). Using density functional theory and perturbation theory, weshow that 2H-FeCl2 exhibits giant photocurrents, photo-spin-currents, andphoto-orbital-currents under illumination by linearly polarized light. Theinjection-like and shift-like photocurrents coexist and propagate in differentdirections. The material also demonstrates substantial photoconductance,photo-spin-conductance, and photo-orbital-conductance, with magnitudes up to4650 (nm{\cdot}{\mu}A/V2), 4620 (nm{\cdot}{\mu}A/V2 {\hbar}/2e), and 6450(nm{\cdot}{\mu}A/V2 {\hbar}/e), respectively. Furthermore, theinjection-currents, shift-spin-currents, and shift-orbital-currents can bereadily switched via rotating the magnetizations of 2H-FeCl2. These resultsdemonstrate the superior performance and intriguing control of a new type ofBPVE in 2H-FeCl2.

Generation and modulation of multiple 2D bulk photovoltaic effects in space-time reversal asymmetric 2H-FeCl2