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Photoluminescence of 10H-SiC
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Heteropolytypic Superlattices
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Optical Nuclear Spin Polarization of Divacancies in SiC
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Boron-Implanted 3C-SiC for Intermediate Band Solar Cells
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Correlation of Lifetime Mapping of 4H-SiC Epilayers with Structural Defects Using Synchrotron X-Ray Topography
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HomeMaterials Science ForumMaterials Science Forum Vol. 858Heteropolytypic Superlattices

Heteropolytypic Superlattices

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Abstract:

Based on a Kronig-Penney model the electronic properties of heteropolytypic superlattices consisting of lamellas of 3C-and 4H-SiC polytypes with thicknesses below ten nanometers are analysed. Due to the large difference in the electron negativity and the resulting high barriers between the different polytypic lamellas an increased number of minizones compared to other materials are formed. The field strength for the appearance of the negative differential resistance in the heteropolytypic superlattice is lower than the critical fields in the silicon carbide polytypes.

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Silicon Carbide and Related Materials 2015

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Periodical:

Materials Science Forum (Volume 858)

Pages:

278-282

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.858.278

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Online since:

May 2016

Authors:

Joerg Pezoldt*

Keywords:

Heterostructures, Miniband, Negative Differential Conduction, Superlattice

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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