Abstract
Rectifying and photovoltaic properties of a La0.7Sr0.3CoO3−σ /Si heterostructure have been experimentally studied. The heterostructure exhibits a rectifying behavior, similar to that of the traditional diode. A photovoltaic effect is observed when the heterostructure is exposed to the laser with a wavelength of 532 nm and a power of 6 mW/mm2. It is interesting to note that the peak photovoltages initially increase with decreasing temperature, followed by a decrease at T<220 K. This reveals that the photovoltaic effect can be modulated by the intrinsic properties of the La0.7Sr0.3CoO3−σ layer.
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Jin, K.X., Zhao, S.G., Wang, J.Y. et al. Rectifying and photovoltaic properties in La0.7Sr0.3CoO3−σ /Si heterostructure. Appl. Phys. A 106, 219–222 (2012). https://doi.org/10.1007/s00339-011-6562-2
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DOI: https://doi.org/10.1007/s00339-011-6562-2