NDLI: The L Spectrum of Fe and Fe3O4

Content Provider	Springer Nature Link
Author	Scheffel, Andy Aßmann, Andrea Dellith, Jan Wendt, Michael
Copyright Year	2006
Abstract	The intensities of the Fe L lines/bands l = L3M1, η = L2M1, α1,2 = L3M4,5, β1 = L2M4, and β3,4 = L1M2,3 were measured for pure Fe and Fe3O4 using a TAP crystal as the dispersing element. The energy of the exciting electrons, E0, was varied in the range 5 ≤ E0 ≤ 25 keV.For pure Fe the following results were obtained. The net peak height ratio Ll/Lα remains relatively constant with varying E0 at approximately 14%. The E0 dependence of Lη is similar to that of Ll, although Lη is less intense than Ll by a factor of 7. Lβ1/Lα decreases from 20% for E0 = 5 keV to about 5% for 25 keV. Lβ3,4 behaves like Lβ1 but is weaker by a factor of 15.For Fe3O4 a much weaker intensity of Lα was observed which can be partially explained by its stronger absorption. Again, the E0 dependence of Ll and Lη is similar with Ll/Lα = 19% and Lη/Lα = 4%. Lβ1 and Lβ3,4 show a comparable E0 dependence. Lβ1/Lα decreases from 50% for E0 = 5 keV to 34% for 25 keV. Lβ3,4 is weaker than Lβ1 by a factor of about 25.The observed E0 dependence of the different lines was used to estimate a set of mass absorption coefficients. Our value for Lα in Fe agrees well with other data which were deduced from variable E0 measurements but differs considerably from data given by Heinrich and Henke.
Starting Page	269
Ending Page	274
Page Count	6
File Format	PDF
ISSN	00263672
Journal	Microchimica Acta
Volume Number	155
Issue Number	1-2
e-ISSN	14365073
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-05-04
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Analytical Chemistry Inorganic Chemistry Physical Chemistry Characterization and Evaluation Materials Monitoring/Environmental Analysis/Environmental Ecotoxicology
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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