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A new type of quant...
A new type of quantum wells : Stacking faults in silicon carbide
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- Iwata, H. (författare)
- Department of Physics and Measurement Technology, Linköping University
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- Lindefelt, Ulf (författare)
- Linköpings universitet,Tekniska högskolan,Institutionen för fysik, kemi och biologi,Department of Physics and Measurement Technology, Linköping University
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- Öberg, Sven (författare)
- Luleå tekniska universitet,Matematiska vetenskaper,Öberg, S., Department of Mathematics, Luleå University of Technology, SE-97187 Luleå, Sweden
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- Briddon, P.R. (författare)
- Department of Physics, University of Newcastle upon Tyne, Newcastle NE1 7RU, United Kingdom
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(creator_code:org_t)
- 2003
- 2003
- Engelska.
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Ingår i: Microelectronics Journal. - 0026-2692. ; 34:5, s. 371-374
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- We report on a new type of quantum wells with the width as thin as 10Å, which are composed of SiC only, and consequently have ideal interfaces. These quantum wells are actually stacking faults in SiC. Certain types of stacking faults in SiC polytypes create small 3C-like regions, where the stacking sequences along the c-axis become locally cubic in the hexagonal host crystals. Since the conduction band offsets between the cubic and hexagonal polytypes are very large with the conduction band minima of 3C-SiC lower than that of the other polytypes, such thin 3C inclusions can introduce locally lower conduction bands, thus acting as quantum films perpendicular to the c-axis. One mechanism for the occurrence of stacking faults in the perfect SiC single crystals is the motion of partial dislocations in the basal planes, the partial dislocations leaving behind stacking fault regions. © 2003 Elsevier Science Ltd. All rights reserved.
Ämnesord
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
Nyckelord
- Quantum wells
- Silicon carbide
- Stacking faults
- TECHNOLOGY
- TEKNIKVETENSKAP
- Scientific Computing
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