{"title":"Mn concentration dependence on dosimetric properties of Mn-doped ZnAl2O4 transparent ceramics","authors":"Satoshi Honjo, Kensei Ichiba, Yusuke Endo, Takumi Kato, Daisuke Nakauchi, Noriaki Kawaguchi, Takayuki Yanagida","doi":"10.1016/j.radphyschem.2025.112513","DOIUrl":null,"url":null,"abstract":"We synthesized the 0.01, 0.05, 0.1, and 0.5% Mn-doped ZnAl<ce:inf loc=\"post\">2</ce:inf>O<ce:inf loc=\"post\">4</ce:inf> transparent ceramics of a spinel structure by the spark plasma sintering method and evaluated their optical, scintillation, and dosimetric properties. The XRD patterns confirmed that ZnAl<ce:inf loc=\"post\">2</ce:inf>O<ce:inf loc=\"post\">4</ce:inf> was successfully synthesized. Photoluminescence spectra showed a broad emission band due to the 3d-3d transitions of Mn<ce:sup loc=\"post\">2+</ce:sup> ions. In the thermally stimulated luminescence (TSL) properties, TSL glow peaks of the Mn-doped ZnAl<ce:inf loc=\"post\">2</ce:inf>O<ce:inf loc=\"post\">4</ce:inf> transparent ceramics were detected at 160, 320, and 490 °C. TSL spectra of all the samples heated at 160 °C showed the emission peak at 520 nm due to the Mn<ce:sup loc=\"post\">2+</ce:sup> ions. The TSL and OSL intensities of the 0.05% Mn-doped samples were the highest in all the samples. In the 0.05% Mn-doped sample, the TSL and OSL dose response functions exhibited a linear response at 0.01–100 and 1–100 mGy, respectively.","PeriodicalId":20861,"journal":{"name":"Radiation Physics and Chemistry","volume":"11 1","pages":""},"PeriodicalIF":2.8000,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Radiation Physics and Chemistry","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1016/j.radphyschem.2025.112513","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
We synthesized the 0.01, 0.05, 0.1, and 0.5% Mn-doped ZnAl2O4 transparent ceramics of a spinel structure by the spark plasma sintering method and evaluated their optical, scintillation, and dosimetric properties. The XRD patterns confirmed that ZnAl2O4 was successfully synthesized. Photoluminescence spectra showed a broad emission band due to the 3d-3d transitions of Mn2+ ions. In the thermally stimulated luminescence (TSL) properties, TSL glow peaks of the Mn-doped ZnAl2O4 transparent ceramics were detected at 160, 320, and 490 °C. TSL spectra of all the samples heated at 160 °C showed the emission peak at 520 nm due to the Mn2+ ions. The TSL and OSL intensities of the 0.05% Mn-doped samples were the highest in all the samples. In the 0.05% Mn-doped sample, the TSL and OSL dose response functions exhibited a linear response at 0.01–100 and 1–100 mGy, respectively.
期刊介绍：
Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing.
The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.
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