PACS: 78.40.Ha; 78.60.-b; 81.20.Ev
Springer Online Journal Archives 1860-2000
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Abstract. The luminescence of Pr3+ in gadolinium sulfate hydrate is reported for 195 nm laser excitation. The Pr3+ ion acts as a sensitizer of the host lattice emission. The Pr3+→Gd3+ energy transfer occurs in two different ways. In the octahydrate the transfer occurs from the lowest component of the 4f5d configuration of Pr3+, but in the samples with less water there is energy transfer from the 1 S 0 level of Pr3+ to several Gd3+ levels. The Pr3+ emission in the two modifications is, of course, also strikingly different.
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