Journal of Inorganic Materials

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Raman Spectra of the Inclusions in KDP Crystals

WANG Sheng-Lai1; GAO Zhang-Shou1; KONG Yong-Fa2; ZHANG Cun-Zhou2; FU You-Jun1; SUN Xun1; LI Yi-Ping1; ZENG Hong1   

  1. 1. State Key Lab of Crystal materials; Shandong University; Jinan 250100; China; 2. School of Physics; Nankai University; Tianjin 300071; China
  • Received:2002-01-21 Revised:2002-03-06 Published:2003-03-20 Online:2003-03-20

Abstract: The inclusions in KDP crystals were studied by using laser microscope Raman spectrum technique. Water solution
was found in the spherical inclusions between pyramid sectors, while CO2 and H2S in the prolate inclusions in expanded prismatic sectors besides
water solutions. These impurities were also found in the crystals with dense scatters. The results show that the compositions differences in above inclusions
are related to different growth mechanisms on the prismatic and the pyramidal faces of the crystal. The existence of these impurities in growing solution
is one of the factors to generate the inclusions as well as scatters in crystals.

Key words: scatter, inclusion, KDP crystal, Raman spectrum

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