yoctoampere

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English[edit]

Etymology[edit]

yocto- +‎ ampere

Noun[edit]

yoctoampere (plural yoctoamperes)

  1. (metrology) An SI unit of electrical current equal to 10−24 amperes. Symbol: yA
    • 2012, Masakazu Murakami, Kiyoshi Kato, Ko Inada, Takanori Matsuzaki, Yasuyuki Takahashi, Shunpei Yamazaki, “Theoretical examination on a significantly low off-state current of a transistor using crystalline In-Ga-Zn-oxidelang=en”, in 19th International Workshop on Active-Matrix Flatpanel Displays and Devices (AM-FPD):
      However, in the IGZO-FET, heavy holes strongly suppress tunneling current, and at most yoctoampere off-state current is estimated which is dominated by thermally excited holes.
    • 2016, Yoshinobu Asami, Motomu Kurata, Yutaka Okazaki, Eiji Higa, Daisuke Matsubayashi, Satoru Okamoto, Shinya Sasagawa, Tomoaki Moriwaka, Tetsuya Kakehata, Yuto Yakubo, “Properties of c-axis-aligned crystalline indium–gallium–zinc oxide field-effect transistors fabricated through a tapered-trench gate process”, in The Japan Society of Applied Physics, volume 55, number 4S:
      First, they are known to show an off-state current on the order of yoctoampere per micron (10−24 A/µm) at room temperature (RT).
    • 2018, Jun Koyama, Semiconductor device including refresh circuit for memory cell (UA Patent 9,922,692):
      For example, the off-state current per micrometer of the channel width at 85° C. is less than or equal to 100 yA (1 yA (yoctoampere) is 1×10−24 A).

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