This paper studies the effects of both the positive and negative forming processes on the resistive switching characteristics of a Pt/Yb2O3/TiN RRAM device. The polarity of the forming process can determine the transition mechanism, either bipolar or unipolar. Bipolar behavior exists after the positive forming process, while unipolar behavior exists after the negative forming process. Furthermore, the bipolar switching characteristics of the Pt/Yb2O3/TiN device can be affected by using a reverse polarity forming treatment, which not only reduces the set and reset voltage, but also improves the on/off ratio. Crown Copyright (C) 2011 Published by Elsevier B. V. All rights reserved.
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Natl Sun Yat Sen Univ, Dept Photon, Kaohsiung 80424, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Yang, Jyun-Bao
Chang, Ting-Chang
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Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Natl Sun Yat Sen Univ, Dept Photon, Kaohsiung 80424, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Chang, Ting-Chang
Huang, Jheng-Jie
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Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Huang, Jheng-Jie
Chen, Shih-Ching
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Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Chen, Shih-Ching
Yang, Po-Chun
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Natl Sun Yat Sen Univ, Dept Photon, Kaohsiung 80424, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Yang, Po-Chun
Chen, Yu-Ting
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Natl Sun Yat Sen Univ, Dept Photon, Kaohsiung 80424, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Chen, Yu-Ting
Tseng, Hsueh-Chih
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Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Tseng, Hsueh-Chih
Sze, Simon M.
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Natl Chiao Tung Univ, Inst Elect, Hsinchu, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Sze, Simon M.
Chu, Ann-Kuo
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Natl Sun Yat Sen Univ, Dept Photon, Kaohsiung 80424, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan
Chu, Ann-Kuo
Tsai, Ming-Jinn
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Ind Technol Res Inst, Elect & Optoelect Res Lab, Hsinchu, TaiwanNatl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan