Superexchange interaction contribution to the Zeeman splitting of the intra-4f-shell luminescence band in Gd 3 Ga 4 FeO 12 : Yb 3+ , Er 3+
作者： Liping Tong , Yibo Han , Kun Zhang , Han Gao , Qixin Guo
DOI: 10.1364/OME.8.003338
关键词:
摘要: We study Zeeman splitting of the intra-4f-shell luminescence band (4I13/2→4I15/2) and f-f superexchange interaction Er3+ in Gd3Ga4FeO12: Yb3+, high magnetic fields. find that increases with increasing parameters based on density-functional theory, intensity 4I13/2→4I15/2 transition depends field, conflict Judd-Ofelt theory. This behavior is a consequence spd-f hybridizations between occupied Er 4f orbitals valence states Er3+. The results this reveal potential applicability these materials in, for example, sensors.
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