{"title":"信噪比对YPO4:Eu发光性能的影响","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":null,"pages":null},"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":"{\"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\":null,\"pages\":null},\"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}","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}
Effect of signal to noise ratio on luminescence property of YPO4:Eu
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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