Scheelite PL measurement, Gorobets et al. 1976

Measurement details

Reference Gorobets et al. 1976
Gorobets B. S., Mikhalev A. A. & Nauchitel M. A. (1976). Rare earths in the luminescence spectra of natural scheelites. Journal of Applied Spectroscopy, 25(1), 918-920. DOI: https://doi.org/10.1007/bf00605176
Material Scheelite [ CaWO4 ]
Specimen temperature Ambient
Technique Photoluminescence (PL)
Lines
  • Dy3+ 480 nm (0.5%), 488 nm (1%), 574 nm (1%), 575 nm (1%), 582 nm (0.5%)
  • Er3+ 553 nm, 550 nm
  • Eu3+ 613 nm (0.5%), 616 nm (1%)
  • Gd3+ 312 nm
  • {{linesearch:5e1a1ac8-024f-4f70-a889-54dfa65e5163|Nd3+}}: 872 nm, 894 nm, 909 nm, 914 nm, 940 nm, 1011 nm, 1059 nm (1%), 1063 nm (1%), 1078 nm (0.5%), 1081 nm (0.5%), 1084 nm (0.5%), 1335 nm (0.5%)
  • Pr3+ 605 nm (1%), 645 nm
  • Sm3+ 565 nm, 599 nm, 601 nm, 606 nm, 611 nm, 642 nm (0.5%), 646 nm (1%), 652 nm, 655 nm, 708 nm
  • Tb3+ 545 nm
  • {{linesearch:ebd493c9-c453-43e3-a4d3-c5d8df9dfe34|Yb3+}}: 1010 nm

Composition

Nominal composition of Scheelite [ CaWO4 ].
Element Atoms At% Wt%
Ca 1 16.7 13.9
W 1 16.7 63.9
O 4 66.7 22.2