Influence of stress on Raman spectra in Ba1-xSrxTiO3 thin films

	Influence of stress on Raman spectra in Ba1-xSrxTiO3 thin films
其他题名	论文其他题名
	Cao L. Z.; Cheng B. L.; Wang S. Y.; Fu W. Y.; Ding S.; Sun Z. H.; Yuan H. T.; Zhou Y. L.; Chen Z. H.; Yang G. Z.
	2006
发表期刊	Journal of Physics D-Applied Physics
ISSN	0022-3727
卷号	39 期号:13 页码:2819-2823
摘要	Ba1-xSrxTiO3 (x = 0.3, 0.5, 0.7) thin films have been prepared on (001) MgO substrates by pulsed laser deposition. Temperature-dependent permittivity and Raman spectra of the Ba1-xSrxTiO3 films are compared with those of the corresponding bulk samples. Raman spectra indicate that a tetragonal structure is present in the Ba0.5Sr0.5TiO3 thin film while the Ba0.5Sr0.5TiO3 bulk sample shows a cubic structure. Temperature-dependent permittivity shows that the phase transition in the film occurs over a wide temperature range, which results in the co-existence of the cubic phase and tetragonal phase in the Ba0.5Sr0.5TiO3 film. The smooth change of phase transition is attributed to the residual stress in the film. We demonstrate that the residual stress releases gradually with increasing thickness of the film. Furthermore, the effects of the composition and thickness on Raman spectra have also been discussed systematically.
收录类别	SCI ; EI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/26740
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Cao L. Z.,Cheng B. L.,Wang S. Y.,et al. Influence of stress on Raman spectra in Ba1-xSrxTiO3 thin films[J]. Journal of Physics D-Applied Physics,2006,39(13):2819-2823.
APA	Cao L. Z..,Cheng B. L..,Wang S. Y..,Fu W. Y..,Ding S..,...&Yang G. Z..(2006).Influence of stress on Raman spectra in Ba1-xSrxTiO3 thin films.Journal of Physics D-Applied Physics,39(13),2819-2823.
MLA	Cao L. Z.,et al."Influence of stress on Raman spectra in Ba1-xSrxTiO3 thin films".Journal of Physics D-Applied Physics 39.13(2006):2819-2823.

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