Abstract
In this paper we present the results of our research of the impact of nanosecond volume discharge on the electronic properties of the near-surface region of epitaxial Hg1-xCdxTe films. We show that the distribution of the surface potential and, as a consequence, the material composition of the individual crystal grains that form V-defects possess a complex structure and contain regions with elevated content of both mercury and cadmium. The volume discharge treatment of the film surface leads to a decrease of the mercury content in individual crystal grains compared to the bulk of Hg1-xCdxTe epitaxial film. This indicates a higher mercury desorption rate from the V-defect region.
| Original language | English |
|---|---|
| Article number | 095112 |
| Journal | Journal of Physics D: Applied Physics |
| Volume | 49 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 3 Feb 2016 |
| Externally published | Yes |
Keywords
- contact potential difference
- fine films
- HgCdTe
- Kelvin force probe microscopy
- molecular beam epitaxy
ASJC Scopus subject areas
- Condensed Matter Physics
- Electronic, Optical and Magnetic Materials
- Acoustics and Ultrasonics
- Surfaces, Coatings and Films
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Novikov, V. A., Grigoryev, D. V., Bezrodnyy, D. A., Tarasenko, V. F., Shulepov, I. A., Dvoretsky, S. A., & Mikhailov, N. N. (2016). Impact of the nanosecond volume discharge in atmospheric pressure air on the distribution of the surface potential of epitaxial HgCdTe. Journal of Physics D: Applied Physics, 49(9), [095112]. https://doi.org/10.1088/0022-3727/49/9/095112