{"title":"高还原气氛下铈掺杂对焦绿石结构演化的影响","authors":"N. Cioateră, E. Voinea, C. Radu, C. Spînu","doi":"10.1109/SMICND.2015.7355169","DOIUrl":null,"url":null,"abstract":"Sm<sub>2</sub>Ti<sub>2</sub>O<sub>7</sub> and Sm<sub>2</sub>Ti<sub>1.8</sub>Ce<sub>0.2</sub>O<sub>7</sub> samples have been synthesized using a modified Pechini method. The evolution of structure and morphology under highly reducing atmosphere was evidenced using X-ray diffraction (XRD), Raman spectroscopy and scanning electron microscopy. Ceria seems to facilitate the reduction of titania, leading to the formation of orthorombic SmTiO<sub>3</sub>.","PeriodicalId":325576,"journal":{"name":"2015 International Semiconductor Conference (CAS)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Influence of cerium dopant on pyrochlore structure evolution under highly reducing atmosphere\",\"authors\":\"N. Cioateră, E. Voinea, C. Radu, C. Spînu\",\"doi\":\"10.1109/SMICND.2015.7355169\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Sm<sub>2</sub>Ti<sub>2</sub>O<sub>7</sub> and Sm<sub>2</sub>Ti<sub>1.8</sub>Ce<sub>0.2</sub>O<sub>7</sub> samples have been synthesized using a modified Pechini method. The evolution of structure and morphology under highly reducing atmosphere was evidenced using X-ray diffraction (XRD), Raman spectroscopy and scanning electron microscopy. Ceria seems to facilitate the reduction of titania, leading to the formation of orthorombic SmTiO<sub>3</sub>.\",\"PeriodicalId\":325576,\"journal\":{\"name\":\"2015 International Semiconductor Conference (CAS)\",\"volume\":\"36 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 International Semiconductor Conference (CAS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SMICND.2015.7355169\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 International Semiconductor Conference (CAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SMICND.2015.7355169","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
采用改进的Pechini法制备了Sm2Ti2O7和sm2ti1.8 ce0.2 2o7样品。利用x射线衍射(XRD)、拉曼光谱(Raman spectroscopy)和扫描电镜(scanning electron microscopy)对高还原气氛下结构和形貌的演变进行了表征。铈似乎促进了二氧化钛的还原，导致正构SmTiO3的形成。
Influence of cerium dopant on pyrochlore structure evolution under highly reducing atmosphere
Sm2Ti2O7 and Sm2Ti1.8Ce0.2O7 samples have been synthesized using a modified Pechini method. The evolution of structure and morphology under highly reducing atmosphere was evidenced using X-ray diffraction (XRD), Raman spectroscopy and scanning electron microscopy. Ceria seems to facilitate the reduction of titania, leading to the formation of orthorombic SmTiO3.
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