We investigated the p-Si/La 0.7 Sr 0.3 MnO 3 /CuPc/Au hybrid heterostructure under red light and magnetic field.Under dark condition, it displayed a nonlinear, irreversible I-V curve, likely due to the Schottky nature of the LSMO/CuPc heterojunction.The device exhibited positive MR, which may arise from increased spin-dependent scattering at the LSMO depletion region.Increase in light intensity likely boosted exciton generation and dissociation at the LSMO/CuPc interface, enhancing photocurrent through the device.
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Roy et al. (2024) studied this question.
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