Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 179, Issue 10, Pages 3145-3150Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2006.06.005
Keywords
fluoride; lanthanide; structure; luminescence; vibrational spectroscopy
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The luminescence hosts K3YF6 and K3GdF6 were obtained in a single-crystal form. Their crystal structure was determined from single-crystal X-ray diffraction data. Both crystals adopt monoclinic system with space group P2(1)/n, Z = 2. Lattice parameters for K3YF6 are refined to the following values a = 6.3376(13)angstrom, b = 6.5435(13)angstrom, c = 9.0390(18)angstrom, 90.65(3) and for K3GdF6 a = 6.3759(13)angstrom, b = 6.5922(13)angstrom, c = 9.1200(18)angstrom, beta = 90.80(3). The vibrational analysis, IR and Raman spectroscopy at room temperature.. was applied to these compounds in order to study the site symmetry of Y3+ and Gd3+ ions. (c) 2006 Elsevier Inc. All rights reserved.
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