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Title: Ultraviolet photovoltaic effect in BiFeO3/Nb-SrTiO3 heterostructure
Authors: Li, H.
Jin, K. X.
Yang, S. H.
Wang, J.
He, M.
Luo, B. C.
Wang, J. Y.
Chen, C. L.
Wu, Tom
Keywords: DRNTU::Science::Chemistry::Physical chemistry::Photochemistry
Issue Date: 2012
Source: Li, H., Jin, K. X., Yang, S. H., Wang, J., He, M., Luo, B. C., et al. (2012). Ultraviolet photovoltaic effect in BiFeO3/Nb-SrTiO3 heterostructure. Journal of Applied Physics, 112(8), 083506-.
Series/Report no.: Journal of applied physics
Abstract: We report on ultraviolet photovoltaic effects in a BiFeO3/Nb-doped SrTiO3 heterostructure prepared by a pulsed laser deposition method. The heterostructure exhibits rectifying behaviors in the temperature range from 80 K to 300 K. The photovoltage of heterostructure is about 0.33 V at T = 80 K when it is illuminated by a KrF excimer laser with a wavelength of 248 nm. The peak photovoltages decrease with increasing the temperature because of the accumulation of photogenerated carriers. Moreover, the peak photovoltages of heterostructure almost linearly increase with an increase of the power density of laser at T = 300 K. The results reveal some properties that may be useful for possible applications in multiferroic photoelectric devices.
ISSN: 0021-8979
DOI: 10.1063/1.4759049
Rights: © 2012 American Institute of Physics. This paper was published in Journal of Applied Physics and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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