On electronic structure of polymer-derived amorphous silicon carbide ceramics

Kewei Wang; Xuqin Li; Baisheng Ma; Yiguang Wang; Ligong Zhang; Linan An

doi:10.1063/1.4881139

On electronic structure of polymer-derived amorphous silicon carbide ceramics

Kewei Wang, Xuqin Li, Baisheng Ma, Yiguang Wang^*, Ligong Zhang, Linan An

^*Corresponding author for this work

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

12 Citations (Scopus)

Abstract

The electronic structure of polymer-derived amorphous silicon carbide ceramics was studied by combining measurements of temperature-dependent conductivity and optical absorption. By comparing the experimental results to theoretical models, electronic structure was constructed for a carbon-rich amorphous silicon carbide, which revealed several unique features, such as deep defect energy level, wide band-tail band, and overlap between the band-tail band and defect level. These unique features were discussed in terms of the microstructure of the material and used to explain the electric behavior.

Original language	English
Article number	221902
Journal	Applied Physics Letters
Volume	104
Issue number	22
DOIs	https://doi.org/10.1063/1.4881139
Publication status	Published - 2 Jun 2014
Externally published	Yes

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Wang, K., Li, X., Ma, B., Wang, Y., Zhang, L., & An, L. (2014). On electronic structure of polymer-derived amorphous silicon carbide ceramics. Applied Physics Letters, 104(22), Article 221902. https://doi.org/10.1063/1.4881139

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AU - Zhang, Ligong

AU - An, Linan

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AB - The electronic structure of polymer-derived amorphous silicon carbide ceramics was studied by combining measurements of temperature-dependent conductivity and optical absorption. By comparing the experimental results to theoretical models, electronic structure was constructed for a carbon-rich amorphous silicon carbide, which revealed several unique features, such as deep defect energy level, wide band-tail band, and overlap between the band-tail band and defect level. These unique features were discussed in terms of the microstructure of the material and used to explain the electric behavior.

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On electronic structure of polymer-derived amorphous silicon carbide ceramics

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