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Distorition of crystal lattice and abnormal infra-red behavior in nanocrystalline CaCO3

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Abstract

In this study, the structure of nanocrystalline CaCO3 was analyzed using TEM, SEM, FT-IR and XRD measurements. An unusually narrowv 3 band with remarkable blue shift about 40 cm−1 in the infrared spectrum was observed. XRD analysis revealed a somewhat large crystallite strain in the nano-particle CaCO3. The strain was possibly related to the weakened lattice vibration. This suggests a preliminary explanation for the abnormal IR assimilation characteristics of nanocrystalline CaCO3 aforementioned.

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Authors and Affiliations

  1. Department of Chemistry, Yuquan Campus of Zhejiang University, 310027, Hangzhou, China

    Yue Lin-hai, Shui Miao & Xu Zhu-de

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  1. Yue Lin-hai
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  2. Shui Miao
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  3. Xu Zhu-de
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Lin-hai, Y., Miao, S. & Zhu-de, X. Distorition of crystal lattice and abnormal infra-red behavior in nanocrystalline CaCO3. J. Zhejiang Univ. Sci. A 1, 178–183 (2000). https://doi.org/10.1631/BF02839236

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  • DOI: https://doi.org/10.1631/BF02839236

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