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author:

Li, W. (Li, W..) [1] | Chen, W.-Z. (Chen, W.-Z..) [2] | Zheng, C. (Zheng, C..) [3]

Indexed by:

Scopus PKU CSCD

Abstract:

The transparent Co 2+ :ZnAl 2 O 4 -SiO 2 block glass ceramics with doping of transition metal ions Co 2+ were synthesized by sol-gel method. The DSC-TG, X-ray diffraction, Fourier infrared spectrometer and visible and near-infrared absorption spectra were performed to study the microstructure and the optical properties of glass ceramics. The results show that the average size of the ZnAl 2 O 4 nanocrystals is 12-14 nm. The glass ceramics exhibit a broad absorption band in the range of 1200-1600 nm. And the absorption coefficient enhances with the increase of heat-treating temperature, which is characteristic of 4 A 2 → 4 T 1 ( 4 F) transition from the tetrahedral Co 2+ ions. The absorption cross section reaches 1.15×10 -19 cm 2 when the heat-treating temperature is up to 1000 ℃, which means that it can be applied in the passive Q-switch turnable laser. ©, 2014, Science Press. All right reserved.

Keyword:

Co 2+ ion; Glass ceramics; Optical property; ZnAl 2 O 4

Community:

  • [ 1 ] [Li, W.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Li, W.]College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China
  • [ 3 ] [Chen, W.-Z.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 4 ] [Chen, W.-Z.]College of Material Science and Engineering, Xiamen University of Technology, Xiamen, 361024, China
  • [ 5 ] [Zheng, C.]College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China

Reprint 's Address:

  • [Chen, W.-Z.]College of Materials Science and Engineering, Fuzhou UniversityChina

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Source :

Chinese Journal of Nonferrous Metals

ISSN: 1004-0609

Year: 2014

Issue: 10

Volume: 24

Page: 2559-2564

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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