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Exceptionally large third-order optical susceptibility in Ag : SrBi2Nb2O9 composite films
Song, R ; Guan, DY ; Ma, LB ; Cao, ZX
刊名MATERIALS LETTERS
2007
卷号61期号:7页码:1537
ISSN号0167-577X
中文摘要Thin films of SrBi2Nb2O9 with and without the inclusion of Ag nanocrystals were prepared on MgO (001) substrates by alternative pulsed laser ablation of SrBi2Nb2O9) ceramic and Ag metal in a nitrogen atmosphere. The size of the Ag nanocrystals can be brought down to ca. 5.0 nm, as revealed by transmission electron microscopy and X-ray diffraction. We measured the third-order susceptibility chi((3)) of the deposits by single beam z-scan technique at a wavelength of 532 nm. It is found that SrBi2Nb2O9,) is an effectively nonlinear optical medium, exhibiting a very large chi((3)). With the inclusion of Ag nanocrystals the chi((3)) was nearly doubled (Re chi((3)) - 8.052 x 10(-7) esu, and Im chi((3)) = - 1.717 x 10(-7) esu), which comes very close to the maximum value available in the current time. This indicates that the Ag:SrBi2Nb2O9 composite structure can be an excellent candidate for nonlinear optical applications. A general approach for further enhanced third-order susceptibility by tailoring the dielectric constant of the metal inclusion is briefly discussed. (c) 2006 Elsevier B.V All rights reserved.
收录类别SCI
公开日期2013-09-17
内容类型期刊论文
源URL[http://ir.iphy.ac.cn/handle/311004/37709]  
专题物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
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GB/T 7714
Song, R,Guan, DY,Ma, LB,et al. Exceptionally large third-order optical susceptibility in Ag : SrBi2Nb2O9 composite films[J]. MATERIALS LETTERS,2007,61(7):1537.
APA Song, R,Guan, DY,Ma, LB,&Cao, ZX.(2007).Exceptionally large third-order optical susceptibility in Ag : SrBi2Nb2O9 composite films.MATERIALS LETTERS,61(7),1537.
MLA Song, R,et al."Exceptionally large third-order optical susceptibility in Ag : SrBi2Nb2O9 composite films".MATERIALS LETTERS 61.7(2007):1537.
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