期刊
JOURNAL OF CRYSTAL GROWTH
卷 391, 期 -, 页码 104-110出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcrysgro.2014.01.012
关键词
Crystal structure; X-ray diffraction; Growth from solutions; Single crystal growth; optical microscopy
L-Proline lithium bromide monohydrate (LPLBM) was synthesized and its good quality bulk single crystals of size similar to 55 x 10 x 8 mm(3) were grown for the first time. Structural analysis was carried out by using single crystal X-ray diffraction and confirms that the crystal belongs to monoclinic system with space group P2(1). The lattice parameters of the titled compound was found to be a =8.0347(7) angstrom, b =5.1469(4) angstrom, c =10.6218 angstrom, alpha=gamma=90 degrees, 75=104249(2)degrees and unit cell volume V=425.74(6) A(3). Elemental analysis was clone by electron diffraction X-ray spectroscopy. Optical study shows that the grown crystals are highly transparent (similar to 80%) in entire testing range. Optical band gap was calculated and found to be 5.7 eV. DSC study shows that the grown crystals are thermally stable up to 273 degrees C and two low temperature phase transitions were observed at 44.66 and 43.95 degrees C. (C) 2014 Elsevier B.V. All rights reserved
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