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Infrared-to-visible upconversion in LaCl3:1% Er3+: Energy-level and line-strength calculations
Krämer, Karl, Güdel, Hans, Schwartz, RobertVolume:
56
Year:
1997
Language:
english
Pages:
11
DOI:
10.1103/physrevb.56.13830
File:
PDF, 222 KB
english, 1997