Exoelectron emission

Japanese: exoelectron emission(英語表記)exoelectronemission
Exoelectron emission

...Therefore, they are extremely useful as electron guns for high-brightness, high-resolution electron microscopes, and have even enabled the realization of scanning electron microscopes with a resolution of 0.5 nm or better and an electron current 100 times that of thermionic emission type.
[Exoelectron emission]
When metals or certain ceramics are rubbed or crushed, electrons are emitted from the surface, a phenomenon called exoelectron emission. The electrons obtain the energy released when a new surface is formed or when surface atoms are rearranged, and fly out into the vacuum. …

*Some of the terminology that refers to "exoelectron emission" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…したがって高輝度高分解能の電子顕微鏡用電子銃としてたいへん有用であり,0.5nm以上の分解能をもち,電子電流が熱電子放出型の場合の100倍という走査形電子顕微鏡も実現している。
[エキソ電子放出]
 金属やある種のセラミックスをこすったり,破砕したりしたときに,その表面から電子が放出される現象をエキソ電子放出exoelectron emissionという。電子は,新たに表面が形成されるときに放出されるエネルギーや表面の原子が再配列するときに出すエネルギーを得て,真空中に飛び出す。…

※「exoelectron emission」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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