Effect of Cl- ionic solutions on electrolyte-solution-gate diamond field-effect transistors

Toshikatsu Sakai*, Yuta Araki, Hirofumi Kanazawa, Hitoshi Umezawa, Minoru Tachiki, Hiroshi Kawarada


研究成果: Article査読

18 被引用数 (Scopus)


Diamond field-effect transistors (FETs) operate in electrolyte solutions having a wide pH range of 1-13. The FETs have been fabricated using a p-type surface conductive layer, where the diamond surface is exposed directly to the electrolyte solutions. From the drain current-gate voltage (I ds-Vgs) characteristics of the FETs, it appears that the threshold voltages of the FETs are independent of the pH value of the solution. In Cl- ionic solutions, however, the threshold voltages shift approximately 30 mV with a one-order-of-magnitude change of molar concentration of Cl- ions. This sensitivity of the FET to Cl- ion's concrentration is observed in the 10-110-6M range of potassium chloride (KC1) solutions

ジャーナルJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
4 B
出版ステータスPublished - 2002 4 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)


「Effect of Cl<sup>-</sup> ionic solutions on electrolyte-solution-gate diamond field-effect transistors」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。