field emission in a sentence

Examples

1. On March 26, 2009 Field Emission Technologies Inc . ( FET ) announced that it was closing down due to the inability to raise capital.
2. Field emission requires a very good vacuum, and often, even in ultra high vacuum ( UHV ), emission is not due to the clean surface.
3. Current methods of propelling a spacecraft with electricity include the arcjet rocket, the electrostatic ion thruster, the Hall effect thruster, and Field Emission Electric Propulsion.
4. This article tries to present a basic account of field emission " for the 21st century and beyond " that is free from these confusions.
5. FEAs have been used to create flat panel displays ( where they are known as field emission display s ( or " nano-emissive displays " ).
6. The use of field emission sources in electron optical instruments has involved the development of appropriate theories of charged particle optics, and the development of related modeling.
7. A consequence of these ( and other ) difficulties has been a heritage of misunderstanding and disinformation that still persists in some current field emission research literature.
8. The field-induced promotion of electrons from the valence to conduction band of semiconductors ( the Zener effect ) can also be regarded as a form of field emission.
9. Field emission in pure metals occurs in high electric fields : the gradients are typically higher than 1 gigavolt per metre and strongly dependent upon the work function.
10. In 1970 his field emission scanning transmission electron microscope succeeded in taking images individual atom ( though not the first, this achievement usually being credited to Erwin Muller ).