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Electron band bendi...
Electron band bending of polar, semipolar and non-polar GaN surfaces
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- Bartos, I. (författare)
- Academic Science Czech Republic, Czech Republic
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- Romanyuk, O. (författare)
- Academic Science Czech Republic, Czech Republic
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- Houdkova, J. (författare)
- Academic Science Czech Republic, Czech Republic
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- Paskov, Plamen (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten,N Carolina State University, NC 27695 USA
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- Paskova, T. (författare)
- N Carolina State University, NC 27695 USA
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- Jiricek, P. (författare)
- Academic Science Czech Republic, Czech Republic
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(creator_code:org_t)
- AMER INST PHYSICS, 2016
- 2016
- Engelska.
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Ingår i: Journal of Applied Physics. - : AMER INST PHYSICS. - 0021-8979 .- 1089-7550. ; 119:10, s. 105303-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The magnitudes of the surface band bending have been determined by X-ray photoelectron spectroscopy for polar, semipolar, and non-polar surfaces of wurtzite GaN crystals. All surfaces have been prepared from crystalline GaN samples grown by the hydride-vapour phase epitaxy and separated from sapphire substrates. The Ga 3d core level peak shifts have been used for band bending determination. Small band bending magnitudes and also relatively small difference between the band bendings of the surfaces with opposite polarity have been found. These results point to the presence of electron surface states of different amounts and types on surfaces of different polarity and confirm the important role of the electron surface states in compensation of the bound surface polarity charges in wurtzite GaN crystals. (C) 2016 AIP Publishing LLC.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
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- art (ämneskategori)
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