Giant and Stable Conductivity Switching Behaviors in ZrO2 Films Deposited by Pulsed Laser Depositions

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概要

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• ZrO2 films have been deposited on Pt/Ti/SiO2/Si substrates by pulsed laser deposition methods. Giant and stable conductivity switching behaviors with maximum on/off ratio of 106 and switching endurance of 105 times are observed in a typical Pt/ZrO2/Pt structure. The Pt/ZrO2/Pt structure exhibits two ohmic behaviors in the low-voltage region ($V < 1.4$ V) depending on the value of previously applied voltage and Schottky-type conduction in the high-voltage region ($1.4\,\text{V}< V <8.9\,\text{V}$). It seems that the conductivity switching behaviors result from the changes in both the Schottky barrier and the bulk conductivity controlled by applied voltages.

• 2005-02-10

著者

• Lee Myoung-jae

  Samsung Advanced Institute Of Technology

• Suh Dong-seok

  Samsung Advanced Institute Of Technology

• Kim Jinsoo

  Department Of Chemical Engineering Kyung Hee University

• Yoo In-kyeong

  Samsung Advanced Institute Of Technology

• SEO David

  Samsung Advanced Institute of Technology

• CHOI Jinsik

  Department of Physics, Konkuk University

• JOUNG Yong-Soo

  Samsung Advanced Institute of Technology

• Byun Iksu

  Department Of Physics Konkuk University

• Kim Soohong

  Department Of Physics Konkuk University

• Seo Sunae

  Samsung Advanced Inst. Of Technol. (sait) Kyungki‐do Kor

• Park Bae

  Department Of Physical Konkuk University

• Seo Sunae

  Samsung Advanced Institute of Technology, Suwon 440-600, Korea

• Suh Dong-Seok

  Samsung Advanced Institute of Technology, Suwon 440-600, Korea

• Joung Yong-Soo

  Samsung Advanced Institute of Technology, Suwon 440-600, Korea

• Lee Myoung-Jae

  Samsung Advanced Institute of Technology, Suwon 440-600, Korea

• Hwang Inrok

  Department of Physics, Konkuk University, Seoul 143-701, Korea

• Hwang Inrok

  Department of Physics and Embedded Energy Research Center, Konkuk University, Seoul 143-701, Korea

• Choi Jinsik

  Department of Physics, Konkuk University, Seoul 143-701, Korea

• Byun Iksu

  Department of Physics, Konkuk University, Seoul 143-701, Korea

• Kim Soohong

  Department of Physics, Konkuk University, Seoul 143-701, Korea

• Kim Jinsoo

  Department of Physics, Konkuk University, Seoul 143-701, Korea

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