...However, if an external stimulus causes the electrons in a material to gain energy and have an energy level higher than the vacuum level, the electrons are emitted into the vacuum. There are various reasons why electrons gain energy and are emitted into the vacuum, and depending on the cause, they are called thermionic emission, secondary electron emission, field emission, exoelectron emission, photoelectron emission, etc. *Some of the terminology used to refer to "exoelectron emission" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…しかし外部からの何らかの刺激により,物質内の電子がエネルギーを得て真空準位より高いエネルギーをもつようになると,その電子は真空中に放出される。電子がエネルギーを得て真空中に放出される原因は種々あり,それによって,熱電子放出,二次電子放出,電界放出,エキソ電子放出,光電子放出などと呼ばれる。 ※「エキソ電子放出」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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