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Title: Temperature-dependent tunneling electroresistance in Pt/BaTiO3/SrRuO3 ferroelectric tunnel junctions
Authors: Wen, Zheng
You, Lu
Wang, Junling
Li, Aidong
Wu, Di
Keywords: DRNTU::Engineering::Materials
Issue Date: 2013
Source: Wen, Z., You, L., Wang, J., Li, A., & Wu, D. (2013). Temperature-dependent tunneling electroresistance in Pt/BaTiO3/SrRuO3 ferroelectric tunnel junctions. Applied physics letters, 103(13), 132913-.
Series/Report no.: Applied physics letters
Abstract: Tunneling electroresistance of Pt/BaTiO3/SrRuO3 ferroelectric tunnel junctions is investigated as a function of temperature. Two distinct resistance states that are dependent on polarization direction in the BaTiO3 barrier layer and bipolar resistance switching are observed at various temperatures from 10 to 290 K. The ON/OFF current ratio of Pt/BaTiO3/SrRuO3 tunnel junctions increases monotonically with decreasing temperature above 50 K and saturates below 50 K. The enhanced tunneling electroresistance at low temperatures can be ascribed to the suppression of thermally assisted indirect tunneling, which is less sensitive to the polarization reversal of BaTiO3 compared to the direct tunneling.
ISSN: 0003-6951
DOI: 10.1063/1.4823580
Rights: © 2013 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. 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
Appears in Collections:MSE Journal Articles

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