Quantum properties of strong accumulation layers on ZnO surfaces

D. Eger; A. Many; Y. Goldstein

doi:10.1016/0039-6028(76)90107-2

Quantum properties of strong accumulation layers on ZnO surfaces

D. Eger^*, A. Many, Y. Goldstein

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

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Abstract

Extremely strong accumulation layers with surface electron densities ΔN approaching 10¹⁴ cm^-1 have been achieved on ZnO surfaces in contact with an electrolyte. Quantization effects, which are very pronounced in such narrow (≳10 Å) layers, are studied by measurements of ΔN versus surface barrier height V_s. Comparison of the results with self-consistent calculations shows very good agreement up to ΔN = 2 × 10¹³ cm^-2. Deviations observed at higher ΔN are probably associated with the huge electric fields (∼10⁷ V/cm) experienced by the surface electrons.

Original language	English
Pages (from-to)	18-24
Number of pages	7
Journal	Surface Science
Volume	58
Issue number	1
DOIs	https://doi.org/10.1016/0039-6028(76)90107-2
State	Published - 1 Aug 1976

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title = "Quantum properties of strong accumulation layers on ZnO surfaces",

abstract = "Extremely strong accumulation layers with surface electron densities ΔN approaching 1014 cm-1 have been achieved on ZnO surfaces in contact with an electrolyte. Quantization effects, which are very pronounced in such narrow (≳10 {\AA}) layers, are studied by measurements of ΔN versus surface barrier height Vs. Comparison of the results with self-consistent calculations shows very good agreement up to ΔN = 2 × 1013 cm-2. Deviations observed at higher ΔN are probably associated with the huge electric fields (∼107 V/cm) experienced by the surface electrons.",

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T1 - Quantum properties of strong accumulation layers on ZnO surfaces

AU - Eger, D.

AU - Many, A.

AU - Goldstein, Y.

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N2 - Extremely strong accumulation layers with surface electron densities ΔN approaching 1014 cm-1 have been achieved on ZnO surfaces in contact with an electrolyte. Quantization effects, which are very pronounced in such narrow (≳10 Å) layers, are studied by measurements of ΔN versus surface barrier height Vs. Comparison of the results with self-consistent calculations shows very good agreement up to ΔN = 2 × 1013 cm-2. Deviations observed at higher ΔN are probably associated with the huge electric fields (∼107 V/cm) experienced by the surface electrons.

AB - Extremely strong accumulation layers with surface electron densities ΔN approaching 1014 cm-1 have been achieved on ZnO surfaces in contact with an electrolyte. Quantization effects, which are very pronounced in such narrow (≳10 Å) layers, are studied by measurements of ΔN versus surface barrier height Vs. Comparison of the results with self-consistent calculations shows very good agreement up to ΔN = 2 × 1013 cm-2. Deviations observed at higher ΔN are probably associated with the huge electric fields (∼107 V/cm) experienced by the surface electrons.

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Quantum properties of strong accumulation layers on ZnO surfaces

Abstract

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