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M. A. El-F. Gabal, “Synthesis and Characterization of Nanocrystalline PbTiO3,” Industrial & Engineering Chemistry Research, Vol. 50, No. 24, 2011, pp. 13771-13777. DOI: 10.1021/ie202255g

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• TITLE: Growth and Characterization of Holmium Oxalate Heptahydrate Crystals

  AUTHORS: Basharat Want, Feroz Dar

  KEYWORDS: Holmium Oxalate Heptahydrate; Single Rystals; X-Ray Diffraction; Thermogravimetric Analysis

  JOURNAL NAME: Journal of Crystallization Process and Technology, Vol.2 No.4, October 17, 2012

  ABSTRACT: Single crystals of holmium oxalate heptahydrate are grown by gel diffusion method using organic agar gel as a medium of growth. The crystals grow in the agar gel with hexagonal morphology having well defined habit faces Powder X-ray diffraction results show that the crystals belong to monoclinic system bearing the space group P21/c with cell parameters; a = 12.197? , b = 11.714 , c = 6.479 , α = 90°, β = 120.12°, γ = 90°, V = 799.6? 3. Fourier transform Infrared spectrum of the crystals shows the presence of water and other associated functional groups. Thermogravimetric analysis support the presence of 7 H2O molecules associated with holmium oxalate crystal lattice. The thermal decomposition in the nitrogen atmosphere leads to the formation of holmium oxide as the final product.