Paper Title:
Crystal Growth, Optical Spectra and Thermal Properties of Na2Ni(SO4)2·4H2O Crystal
  Abstract

Na2Ni(SO4)2·4H2O crystal (NNSH) size up to 12mm×10mm×8mm have been grown by heating the solution gradually. The structure of crystal was determined by X-ray diffraction method. The transmission spectra with strong absortpion band at visible and infrared region were measured by using UV-VIS ultraviolet spectrophotometer. Absorption cross-sections of crystal at 344nm and 640nm were evaluated as 4.380×10-18cm2 and 3.63×10-18cm-2,respectively. NNSH was stable at high temperature, for the dehydration temperature of the crystal was determined to be 132.6 °C by thermogravimetric measurement. It was shown that NNSH had strong absorption at visible or infrared region and high thermal stability that may render it to be a filter material as to obtain more pure ultra-violet spectrograph and be accessible in high temperature environment.

  Info
Periodical
Edited by
Yuhang Yang, Xilong Qu, Yiping Luo and Aimin Yang
Pages
312-315
DOI
10.4028/www.scientific.net/AMR.216.312
Citation
R. R. Zhuang, Y. Z. He, Y. H. Fang, "Crystal Growth, Optical Spectra and Thermal Properties of Na2Ni(SO4)2·4H2O Crystal", Advanced Materials Research, Vol. 216, pp. 312-315, 2011
Online since
March 2011
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$32.00
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