{"title":"化合物中的电子非弹性平均自由程","authors":"S. Tanuma, H. Shinotsuka, C. Powell, D. R. Penn","doi":"10.1384/jsa.26.106","DOIUrl":null,"url":null,"abstract":"We have calculated inelastic mean free paths (IMFPs) for 45 compounds for electron energies over the 50 eV to 200 keV range with the full Penn algorithm from the energy-loss functions of the compounds. Our calculated IMFPs could be fitted to a modified form of the relativistic Bethe equation for inelastic scattering in matter for energies from 50 eV to 200 keV. The average root-mean-square deviation in these fits was 0.60 %. The IMFPs were also compared with a relativistic version of our predictive Tanuma-Powell-Penn (TPP-2M) equation.","PeriodicalId":90628,"journal":{"name":"Journal of surface analysis (Online)","volume":"1 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Electron inelastic mean free paths in compounds\",\"authors\":\"S. Tanuma, H. Shinotsuka, C. Powell, D. R. Penn\",\"doi\":\"10.1384/jsa.26.106\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We have calculated inelastic mean free paths (IMFPs) for 45 compounds for electron energies over the 50 eV to 200 keV range with the full Penn algorithm from the energy-loss functions of the compounds. Our calculated IMFPs could be fitted to a modified form of the relativistic Bethe equation for inelastic scattering in matter for energies from 50 eV to 200 keV. The average root-mean-square deviation in these fits was 0.60 %. The IMFPs were also compared with a relativistic version of our predictive Tanuma-Powell-Penn (TPP-2M) equation.\",\"PeriodicalId\":90628,\"journal\":{\"name\":\"Journal of surface analysis (Online)\",\"volume\":\"1 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of surface analysis (Online)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1384/jsa.26.106\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of surface analysis (Online)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1384/jsa.26.106","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
We have calculated inelastic mean free paths (IMFPs) for 45 compounds for electron energies over the 50 eV to 200 keV range with the full Penn algorithm from the energy-loss functions of the compounds. Our calculated IMFPs could be fitted to a modified form of the relativistic Bethe equation for inelastic scattering in matter for energies from 50 eV to 200 keV. The average root-mean-square deviation in these fits was 0.60 %. The IMFPs were also compared with a relativistic version of our predictive Tanuma-Powell-Penn (TPP-2M) equation.
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