Influence of surface geometry on metal properties

Details Influence of surface geometry on metal properties Influence of surface geometry on metal properties

2007-05-22

2007-05-22

Pert, Evan (Department: 2826)

Active solid-state devices (e.g., transistors, solid-state diode

Thin active physical layer which is

Low workfunction layer for electron emission

C438S020000, C257SE29112

Reexamination Certificate

active

11484822

ABSTRACT:
The influence of surface geometry on metal properties is studied within the limit of the quantum theory of free electrons. It is shown that a metal surface can be modified with patterned indents to increase the Fermi energy level inside the metal, leading to decrease in electron work function. This effect would exist in any quantum system comprising fermions inside a potential energy box. Also disclosed is a method for making nanostructured surfaces having perpendicular features with sharp edges.

REFERENCES:
patent: 5504388 (1996-04-01), Kimura et al.

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