Improvement of optical properties of silica colloidal crystals by sintering |
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| Authors: | Kuai SL Zhang YZ Truong V-V Hu XF |
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| Institution: | (1) Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P.R. China, CN;(2) Department of Physics, Université de Moncton, Moncton NB E1A 3E9, Canada, CA |
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| Abstract: | The optical properties of silica colloidal crystals have been improved considerably by sintering. This can be explained by
the decrease of defects and the improvement of crystalline quality due to the structure compacting under thermal treatment.
A drastic blue shift of the optical attenuation band was also observed.
Received: 25 January 2001 / Accepted: 26 January 2001 / Published online: 26 April 2001 |
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| Keywords: | PACS: 42 70 Qs 61 72 Lk 78 20 Ci 81 40 Tv 82 70 Dd |
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