Thermal stability of nitrogen-doped SrTiO3 films: Electronic and optical properties studies

Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.2713350

Title:	Thermal stability of nitrogen-doped SrTiO3 films: Electronic and optical properties studies
Authors:	Mi, Y.Y. Yu, Z. Wang, S.J. Gao, X.Y. Wee, A.T.S. Ong, C.K. Huan, C.H.A.
Issue Date:	2007
Citation:	Mi, Y.Y., Yu, Z., Wang, S.J., Gao, X.Y., Wee, A.T.S., Ong, C.K., Huan, C.H.A. (2007). Thermal stability of nitrogen-doped SrTiO3 films: Electronic and optical properties studies. Journal of Applied Physics 101 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2713350
Abstract:	The thermal stability of nitrogen-doped SrTiO3 (001) films in terms of electronic and optical properties has been studied by using x-ray photoemission spectroscopy, x-ray absorption spectroscopy, and spectroscopic ellipsometry techniques. The chemical states of nitrogen in nitrogen-doped SrTiO3 films include both substitutional and interstitial states. The N 2p states localized above the O 2p-derived valence band maximum are attributed to the change of optical properties. Postannealing will induce the valence band edge shift due to the thermal instability of interstitial N states, which may degrade the photocatalysis of nitrogen-doped SrTiO3 films during applications. © 2007 American Institute of Physics.
Source Title:	Journal of Applied Physics
URI:	http://scholarbank.nus.edu.sg/handle/10635/98369
ISSN:	00218979
DOI:	10.1063/1.2713350
Appears in Collections:	Staff Publications

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