Magnetic Field Controllable Photocurrent Properties in BiFe0.9Ni0.1O3/La0.7Sr0.3MnO3 Laminate Thin Film
Guanzhong Huo , Ke Wang , Qingying Ye , Shuiyuan Chen , Chao Su , Yuxiang Zhang , Guilin Chen , Zhigao Huang
Energy & Environmental Materials ›› 2024, Vol. 7 ›› Issue (2) : 12601
Magnetic Field Controllable Photocurrent Properties in BiFe0.9Ni0.1O3/La0.7Sr0.3MnO3 Laminate Thin Film
This paper reports a multifunctional magnetic-photoelectric laminate device based on the integration of spintronic material (La0.7Sr0.3MnO3) and multiferroic (Ni-doped BiFeO3), in which the repeatable modulation effect on the photoelectric properties were achieved by applying external magnetic fields. More obviously, photocurrent density (J) of the laminate was largely enhanced, the change rate of J up to 287.6% is obtained. This sensing function effect should be attributed to the low-field magnetoresistance effect in perovskite manganite and the scattering of spin photoelectron in multiferroic material. The laminate perfectly combines the functions of sensor and controller, which can not only reflect the intensity of environmental magnetic field, but also modulate the photoelectric conversion performance. This work provides an alternative and facile way to realize multi-degree-of-freedom control for photoelectric conversion performances and lastly miniaturize multifunction device.
bismuth ferrite / low-field magnetoresistance effect / magnetic field modulation / perovskite manganite / photocurrent
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2023 The Authors. Energy & Environmental Materials published by John Wiley & Sons Australia, Ltd on behalf of Zhengzhou University.
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