P-type polymer-based Ag2S atomic switch for "tug of war" operation

Carolin Lutz, Tsuyoshi Hasegawa, Takashi Tsuchiya, Christoph Adelsberger, Ryoma Hayakawa, Toyohiro Chikyow

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


The Ag2S gap-type atomic switch based "tug of war" device is a promising element for building a new type of CMOS free neuromorphic computerhardware. Since Ag+ cations are reduced during operation of the device, it was thought that the gap-material should be a n-type polymer. In this study, we revealed that the polymer bithiophene-oligoethyleneoxide (BTOE) doped poly(ethylene oxide) (PEO), which was used as gap-material in the first demonstration of the "tug of war", is a p-type polymer. For this we used impedance spectroscopy and transistor measurements. We elaborate on how the electrochemical processes in the "tug of war" devices could be explained in the case of p-type conductive gap-materials.

Original languageEnglish
Article number06GF03
JournalJapanese journal of applied physics
Issue number6
Publication statusPublished - 2017 Jun

ASJC Scopus subject areas

  • General Engineering
  • General Physics and Astronomy


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