{"title":"Спектроскопия f-=SUP=-13-=/SUP=--лантаноидов во фторидных кристаллах","authors":"Е. А. Раджабов, Р. Ю. Шендрик, В. В. Панкратов","doi":"10.21883/os.2023.04.55549.54-22","DOIUrl":null,"url":null,"abstract":"The absorption and luminescence spectra of 4f-4f transitions of Yb3+ ions in crystals of CaF2, SrF2, and BaF2 fluorides have been studied. The crystal splitting of the 2F7/2, 2F5/2 levels in Tm2+, Yb3+ by the cubic field decreases linearly with increasing lattice constant. Both lines intersect at the energy of 2F7/2 - 2F5/2 transitions in unperturbed Tm2+, Yb3+ ions. The positions of the f13 levels of Tm2+ or Yb3+ in fluoride crystals are well described by ab-initio relativistic calculations","PeriodicalId":24059,"journal":{"name":"Оптика и спектроскопия","volume":"63 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Оптика и спектроскопия","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.21883/os.2023.04.55549.54-22","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Спектроскопия f-=SUP=-13-=/SUP=--лантаноидов во фторидных кристаллах
The absorption and luminescence spectra of 4f-4f transitions of Yb3+ ions in crystals of CaF2, SrF2, and BaF2 fluorides have been studied. The crystal splitting of the 2F7/2, 2F5/2 levels in Tm2+, Yb3+ by the cubic field decreases linearly with increasing lattice constant. Both lines intersect at the energy of 2F7/2 - 2F5/2 transitions in unperturbed Tm2+, Yb3+ ions. The positions of the f13 levels of Tm2+ or Yb3+ in fluoride crystals are well described by ab-initio relativistic calculations
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