Quantization of 2D hole gas in conductive hydrogenated diamond surfaces observed by electron field emission |
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Authors: | Gan L Baskin E Saguy C Kalish R |
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Affiliation: | Physics Department and Solid State Institute, Technion, Haifa, Israel. |
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Abstract: | Discrete jumps are observed in the emitted current density (J) versus extraction electric field (E) curves in electron field emission measurements from a conductive, hydrogen-terminated air-exposed diamond surface. These jumps are well reproduced by computations based on the assumption that a 2D nanoscale quantum system with discrete energy levels exists in the diamond near-surface layer. The present results confirm the formation of well-defined quantum states of holes in the 2D surface layer present on hydrogenated air-exposed diamond surfaces. |
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