Abstract
Electrons trapped on the surface of liquid helium or other dielectric materials are unstable unless they are confined there by an external electric field. An origin of the instability is the repulsive force between electrons. To prevent electrons from dispersing, we have to place positive charges near the surface. Another origin of the instability is the evaporation*1 of electrons from the surface states to the three dimensional states. Since the binding energy of the surface electrons is low, they can easily be activated to the higher energy states and leave the surface.
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© 1997 Kluwer Academic Publishers
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Kajita, K. (1997). Escape out of the Electron Layer:Thermal Activation. In: Andrei, E.Y. (eds) Two-Dimensional Electron Systems. Physics and Chemistry of Materials with Low-Dimensional Structures, vol 19. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-1286-2_11
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DOI: https://doi.org/10.1007/978-94-015-1286-2_11
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-4907-0
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