Xingyu Gao, D. Qi, Shi Chen, A. Wee, T. Ouyang, K. Loh, Xiaojiang Yu, H. Moser
{"title":"铁诱导金刚石上电子亲和和二次电子产率的变化","authors":"Xingyu Gao, D. Qi, Shi Chen, A. Wee, T. Ouyang, K. Loh, Xiaojiang Yu, H. Moser","doi":"10.1142/S1793617908000045","DOIUrl":null,"url":null,"abstract":"Fe films grown on clean diamond (100) have been studied using synchrotron-based X-ray photoemission spectroscopy (XPS) and ultra-violet photoemission spectroscopy (UPS). The work function and secondary electron yield (SEY) in UPS of the sample were found to change strongly as Fe film thickness increases. After the deposition of about one monolayer Fe, which was found to react with diamond by XPS, work function reaches its minimum while SEY reaches its maximum due to the formation of a dipole layer between the chemisorbed Fe and C atoms at the interface. This study could help the development of high emittance spin-polarized electron source based on magnetic thin films grown on diamond with low or negative electron affinity.","PeriodicalId":166807,"journal":{"name":"Advances in Synchrotron Radiation","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Fe-INDUCED CHANGE OF ELECTRON AFFINITY AND SECONDARY ELECTRON YIELD ON DIAMOND\",\"authors\":\"Xingyu Gao, D. Qi, Shi Chen, A. Wee, T. Ouyang, K. Loh, Xiaojiang Yu, H. Moser\",\"doi\":\"10.1142/S1793617908000045\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Fe films grown on clean diamond (100) have been studied using synchrotron-based X-ray photoemission spectroscopy (XPS) and ultra-violet photoemission spectroscopy (UPS). The work function and secondary electron yield (SEY) in UPS of the sample were found to change strongly as Fe film thickness increases. After the deposition of about one monolayer Fe, which was found to react with diamond by XPS, work function reaches its minimum while SEY reaches its maximum due to the formation of a dipole layer between the chemisorbed Fe and C atoms at the interface. This study could help the development of high emittance spin-polarized electron source based on magnetic thin films grown on diamond with low or negative electron affinity.\",\"PeriodicalId\":166807,\"journal\":{\"name\":\"Advances in Synchrotron Radiation\",\"volume\":\"40 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advances in Synchrotron Radiation\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1142/S1793617908000045\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Synchrotron Radiation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1142/S1793617908000045","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Fe-INDUCED CHANGE OF ELECTRON AFFINITY AND SECONDARY ELECTRON YIELD ON DIAMOND
Fe films grown on clean diamond (100) have been studied using synchrotron-based X-ray photoemission spectroscopy (XPS) and ultra-violet photoemission spectroscopy (UPS). The work function and secondary electron yield (SEY) in UPS of the sample were found to change strongly as Fe film thickness increases. After the deposition of about one monolayer Fe, which was found to react with diamond by XPS, work function reaches its minimum while SEY reaches its maximum due to the formation of a dipole layer between the chemisorbed Fe and C atoms at the interface. This study could help the development of high emittance spin-polarized electron source based on magnetic thin films grown on diamond with low or negative electron affinity.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
