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Thermal degradation and spectroscopic studies of single-crystalline organometallic calcium adipate monohydrate

  • E. C. Jumanath
  • P. P. PradyumnanEmail author
Article
  • 18 Downloads

Abstract

Calcium adipate monohydrate single crystals were grown by single gel diffusion technique using silica gel as a medium of growth. The powder X-ray diffraction revealed that the crystal belongs to the triclinic system with space group P-1(2). The Fourier transform infrared (FTIR) and micro-Raman spectroscopy were performed to identify all the functional groups present in the compound. The thermogravimetric analysis supported the suggested chemical formula of the grown crystal as Ca(C6H8O4)·H2O and the thermal stability of the material up to 103 °C. FTIR and Raman results at different phase changing temperatures were also reported. Diffuse reflectance measurement of the sample was carried out, and the optical band gap of the material was calculated at 5.3 eV. The dielectric behavior of the crystal was also studied by measuring the dielectric constant, dielectric loss and ac conductivity as a function of frequency at room temperature (30 °C).

Keywords

Crystal growth X-ray diffraction Spectroscopy Thermogravimetric analysis Dielectrics 

Notes

Acknowledgements

The authors thank to the UGC–SAP and FIST 2 (DST, Government of India), for the research facilities in the Department of Physics, University of Calicut. The author P.P.Pradyumnan is thankful to DST SERB (Govt. of India SB/EMEQ-002/2013) for the major research project. Jumanath.E.C is thankful to UGC, Govt. of India, for the award of UGC BSR (RFSMS) fellowship. The authors would like to thank the Central Sophisticated Instrumentation Facility (CSIF), University of Calicut, provided characterization facilities for the research work.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  1. 1.Department of PhysicsUniversity of CalicutMalappuramIndia

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