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The spectroscopy of Gd3+ in KYF4 is reported. Evidence is given that there are two different classes of luminescent sites: classes I and II. The positions of the crystal field components of the 6P7/2 and 6I7/2 term levels are presented. The radiative transition probabilities for the 6P7/2 to 8S7/2 transition are derived, for both classes, from decay measurements and spectral intensity measurements. At 4.2 K energy transfer occurs from class I to class II. Above 25 K energy transfer also occurs from class II to class I.
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 16 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 10% |