Raman Spectroscopy of SiO2-Na2O-Al2O3-B2O3 glass doped with Nd3+ and CdS nanocrystals

被引：27
|
作者：
Serqueira, E. O. [1 ]
Dantas, N. O. [1 ]
Anjos, V. [2 ]
Bell, M. J. V. [2 ]
机构：
[1] Univ Fed Uberlandia, LNMIS, Inst Fis, BR-38400902 Uberlandia, MG, Brazil
[2] ICE UFJF, Grp Espectroscopia Mat, Dept Fis, BR-36036330 Juiz De Fora, MG, Brazil
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 582卷
关键词：
Raman; Glasses; Semiconductor quantum dots; Rare earth ions; SILICATE-GLASSES; SCATTERING; SPECTRA; SIGNATURES; IONS;
D O I：
10.1016/j.jallcom.2013.08.108
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report the Raman spectroscopic characterization of a SNAB glass system doped with neodymium and CdS nanocrystals and fabricated by the fusion process. Raman spectra revealed CdS nanocrystals in the glass host and bands associated with Si-O vibrational modes with five structural configurations, boroxol modes of B2O3, Al-O and Cd-S vibrational modes. Additionally, Nd2O3 modifies the growth of CdS nanocrystals in the SNAB glass and Nd3+ ions are not incorporated inside the semiconductor nanocrystals. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：730 / 733
页数：4
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