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Journal of Zhejiang University SCIENCE A 2000 Vol.1 No.2 P.178-183

http://doi.org/10.1631/jzus.2000.0178


DISTORTION OF CRYSTAL LATTICE AND ABNORMAL INFRA-RED BEHAVIOR IN NANOCRYSTALLINE CaCO3


Author(s):  YUE Lin-hai, SHUI Miao, XU Zhu-de

Affiliation(s):  Department of Chemistry, Yuquan Campus of Zhejiang University, Hangzhou, 310027, China

Corresponding email(s): 

Key Words:  nanocrystalline calcite, distortion of crystal lattice, infrared behavior


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YUE Lin-hai, SHUI Miao, XU Zhu-de. DISTORTION OF CRYSTAL LATTICE AND ABNORMAL INFRA-RED BEHAVIOR IN NANOCRYSTALLINE CaCO3[J]. Journal of Zhejiang University Science A, 2000, 1(2): 178-183.

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%A SHUI Miao
%A XU Zhu-de
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A1 - SHUI Miao
A1 - XU Zhu-de
J0 - Journal of Zhejiang University Science A
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DOI - 10.1631/jzus.2000.0178


Abstract: 
In this study, the structure of nanocrystalline CaCO3 was analyzed using TEM, SEM, FT-IR and XRD measurements. An unusually narrow v3 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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Reference

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