Applied Science and Convergence Technology

한국진공학회 (The Korean Vacuum Society)
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Electrical Bistable Characteristics of Organic Charge Transfer Complex for Memory Device Applications

  • Lee, Chang-Lyoul (Advanced Photonics Research Institute (APRI), Gwangju Institute of Science and Technology (GIST))
  • 투고 : 2015.11.13
  • 심사 : 2015.11.23
  • 발행 : 2015.11.30
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초록

In this work, the electrical bistability of an organic CT complex is demonstrated and the possible switching mechanism is proposed. 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline (BCP) and tetracyanoquinodimethane (TCNQ) are used as an organic donor and acceptor, respectively, and poly-methamethylacrylate (PMMA) is used as a polymeric matrix for spin-coating. A device with the Al/($Al_2O_3$)/PMMA:BCP:TCNQ[1:1:0.5 wt%]/Al configuration demonstrated bistable and switching characteristics similar to Ovshinsky switching with a low threshold voltage and a high ON/OFF ratio. An analysis of the current-voltage curves of the device suggested that electrical switching took place due to the charge transfer mechanism.

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참고문헌

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