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field emission

/fiːld ɪˈmɪʃən/

翻译: 一种物理现象,指在强电场作用下,电子从材料(通常是金属或半导体)表面无需加热即可发射出来,主要机制为量子隧穿效应。

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/fiːld ɪˈmɪʃən/C1formalscientific
  • zh一种物理现象,指在强电场作用下,电子从材料(通常是金属或半导体)表面无需加热即可发射出来,主要机制为量子隧穿效应。

A physical phenomenon in which electrons are emitted from the surface of a material (usually a metal or semiconductor) under the influence of a strong electric field, without the need for heating.

  1. Electron emission from a solidC2formal

    The emission of electrons from the surface of a solid (usually a metal) under the influence of a strong electric field, without the need for heating.

    zh场致发射

    • Field emission is used in electron microscopes to produce high-resolution images.
    • The researchers studied field emission from carbon nanotubes.
    • Field emission displays are a type of flat-panel screen technology.