A high-brightness large-diameter graphene coated point cathode field emission electron source

Traditional cold field emission electron sources rely on single crystal tungsten sharpened wires. Here, the authors use graphene-coated nickel point cathodes to devise alternative cold field emission electron sources for electron microscopy and lithography applications.

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Detalles Bibliográficos
Autores principales: Xiuyuan Shao, Avinash Srinivasan, Wei Kean Ang, Anjam Khursheed
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/5be7b7d42deb432391980c5e97da0321
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Descripción
Sumario:Traditional cold field emission electron sources rely on single crystal tungsten sharpened wires. Here, the authors use graphene-coated nickel point cathodes to devise alternative cold field emission electron sources for electron microscopy and lithography applications.