{"title":"Growth and optical spectroscopy study of low-temperature phase of La0.99Pr0.01Sc3(BO3)4 crystal","authors":"T.A. Igolkina , E.P. Chukalina , A.B. Kuznetsov , K.A. Kokh , S.A. Klimin , V.N. Denisov , K.N. Boldyrev , M.N. Popova","doi":"10.1016/j.optmat.2025.117040","DOIUrl":null,"url":null,"abstract":"<div><div>La<sub>0.99</sub>Pr<sub>0.01</sub>Sc<sub>3</sub>(BO<sub>3</sub>)<sub>4</sub> single crystals were grown by top-seeded solution growth method using LiBO<sub>2</sub>–LiF flux. Wide-range high-resolution absorption and luminescence spectra of the grown crystals at different temperatures were registered in linearly polarized light. The crystal-field level diagram for the <sup>3</sup>H<sub>4,6</sub>, <sup>3</sup>F<sub>2,3,4</sub>, <sup>1</sup>G<sub>4</sub>, <sup>1</sup>D<sub>2</sub>, <sup>3</sup>P<sub>0,1,2</sub>, and <sup>1</sup>I<sub>6</sub> multiplets of the Pr<sup>3+</sup> ion in LaSc<sub>3</sub>(BO<sub>3</sub>)<sub>4</sub>:Pr<sup>3+</sup> was constructed for the first time. A monoclinic structure of the crystal (space group <em>Cc</em>) was determined using X-ray diffraction and optical methods. IR reflectance and Raman spectra clearly reveal the contribution of BO<sub>3</sub> molecular groups. Weak satellites of the absorption lines were observed and explained by transitions in Pr<sup>3+</sup> ions located near antisite defects (i.e. Ln<sup>3+</sup> ions in octahedral sites instead of Sc<sup>3+</sup>, and Sc<sup>3+</sup> in Ln<sup>3+</sup> sites) formed during the crystal growth.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"164 ","pages":"Article 117040"},"PeriodicalIF":4.2000,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optical Materials","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0925346725004008","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/4/10 0:00:00","PubModel":"Epub","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
La0.99Pr0.01Sc3(BO3)4 single crystals were grown by top-seeded solution growth method using LiBO2–LiF flux. Wide-range high-resolution absorption and luminescence spectra of the grown crystals at different temperatures were registered in linearly polarized light. The crystal-field level diagram for the 3H4,6, 3F2,3,4, 1G4, 1D2, 3P0,1,2, and 1I6 multiplets of the Pr3+ ion in LaSc3(BO3)4:Pr3+ was constructed for the first time. A monoclinic structure of the crystal (space group Cc) was determined using X-ray diffraction and optical methods. IR reflectance and Raman spectra clearly reveal the contribution of BO3 molecular groups. Weak satellites of the absorption lines were observed and explained by transitions in Pr3+ ions located near antisite defects (i.e. Ln3+ ions in octahedral sites instead of Sc3+, and Sc3+ in Ln3+ sites) formed during the crystal growth.
期刊介绍：
Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review.
The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials.
OPTICAL MATERIALS focuses on:
• Optical Properties of Material Systems;
• The Materials Aspects of Optical Phenomena;
• The Materials Aspects of Devices and Applications.
Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.
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