{"title":"Effect of signal to noise ratio on luminescence property of YPO4:Eu","authors":"Manas Srivastava , Leishangthem Sanatombi Devi , Rashmi Joshi , Bheeshma Pratap Singh , Raghumani Singh Ningthoujam","doi":"10.1016/j.mlblux.2022.100170","DOIUrl":null,"url":null,"abstract":"<div><p>An effect of variation of slit widths of excitation and emission monochromators on emission intensity, peak position and asymmetric ratio of Eu<sup>3+</sup> has been observed in YPO<sub>4</sub>:Eu<sup>3+</sup>. Stark splitting is observed. Eu<sup>3+</sup> ion occupies <em>D<sub>2d</sub></em> site symmetry in crystal lattice. However, asymmetric ratio is observed to be lesser in value ∼≤1.5. The possible explanation for low value of asymmetric ratio is explained.</p></div>","PeriodicalId":18245,"journal":{"name":"Materials Letters: X","volume":"16 ","pages":"Article 100170"},"PeriodicalIF":2.2000,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2590150822000503/pdfft?md5=79948710641ec8d413393404b3f72d44&pid=1-s2.0-S2590150822000503-main.pdf","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Letters: X","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2590150822000503","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 3
Abstract
An effect of variation of slit widths of excitation and emission monochromators on emission intensity, peak position and asymmetric ratio of Eu3+ has been observed in YPO4:Eu3+. Stark splitting is observed. Eu3+ ion occupies D2d site symmetry in crystal lattice. However, asymmetric ratio is observed to be lesser in value ∼≤1.5. The possible explanation for low value of asymmetric ratio is explained.
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