网站首页  词典首页

请输入您要查询的词汇:

 

词汇 exciton
释义

Definition of exciton in English:

exciton

noun ɪkˈsʌɪtɒnˈɛksɪtɒnˈɛksətɑn
Physics
  • A mobile concentration of energy in a crystal formed by an excited electron and an associated hole.

    〔物理〕激子

    Example sentencesExamples
    • Some of these excitons emit light when they decay to the ground state.
    • The injected electrons and holes combine to form excitons, or electron-hole pairs, bound together by their mutual attraction.
    • The first images of the motion of an exciton - a particle essential to modern electronics - and a biexciton show that the lighter exciton roams farther.
    • As the group intensified optical stimulation during the experiments, though, the number of excitons increased and the electron/electron-hole pairs cancelled each other.
    • Implicitly, the more donors, the greater the probability for a photon to become an exciton.

Origin

1930s: from excitation + -on.

Definition of exciton in US English:

exciton

nounˈeksətänˈɛksətɑn
Physics
  • A mobile concentration of energy in a crystal formed by an excited electron and an associated hole.

    〔物理〕激子

    Example sentencesExamples
    • Some of these excitons emit light when they decay to the ground state.
    • The first images of the motion of an exciton - a particle essential to modern electronics - and a biexciton show that the lighter exciton roams farther.
    • As the group intensified optical stimulation during the experiments, though, the number of excitons increased and the electron/electron-hole pairs cancelled each other.
    • Implicitly, the more donors, the greater the probability for a photon to become an exciton.
    • The injected electrons and holes combine to form excitons, or electron-hole pairs, bound together by their mutual attraction.

Origin

1930s: from excitation + -on.

随便看

 

春雷网英语在线翻译词典收录了464360条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2000-2024 Sndmkt.com All Rights Reserved 更新时间:2024/12/27 23:53:24