Scanning Electron Microscopy and X-Ray Microanalysis
266 18 kOverview Qualitative elemental analysis involves the assignment of ele- ments to the characteristic X-ray peaks recogniz ...
267 18 The characteristic peak to continuum background, P/B, which determines the visibility of peaks above the back- ground, is ...
268 18 where I 0 is the original intensity and I is the intensity that remains after path s through a material of density ρ havi ...
269 18 18.2.2 X-Ray Energy Database: Families of X-Rays of X-Rays The X-ray energy database is typically accessed through EDS so ...
270 18 . Table 18.1 Comprehensive listing of all X-ray transitions for gold (DTSA-II database) IUPAC Siegbahn Weight Energy (keV ...
271 18 . Table 18.1 (continued) IUPAC Siegbahn Weight Energy (keV) Wavelength (Å) Au L1-N5 Au Lγ 11 0.0007 14.0189 0.884407 Au L ...
272 18 IUPAC Siegbahn Weight Energy (keV) Wavelength (Å) Au L3-M3 Au Ls 0.0001 9.1757 1.35122 Au L3-M2 Au Lt 0.0012 8.7709 1.413 ...
273 18 BaF 2 E 0 = 10 keV Coun ts 200 000 150 000 100 000 50 000 50 000 40 000 30 000 20 000 10 000 0 0 0.0 1.0 2.0 3.0 4.0 5.0 ...
274 18 sufficiently high input count rates its finite time resolution will be overwhelmed and coincidence events will begin to p ...
275 18 Si-coincidence Si E 0 = 10 keV 12% deadtime Photon energy (keV) Photon energy (keV) Counts Coun ts 10 00 000 100 000 10 0 ...
276 18 DT DT Fe Kα Fe Kβ SiK+CaK α , n ot CrK α CaK α AlK+Ca Kα , not V Kα CaK β MgK Al ...
277 18 peaks that arise from the silicon escape peak and from coin- cidence peaks. A particularly insidious problem occurs when ...
278 18 atomic shell structures that produce two families of detectable characteristic X-rays (with 20 keV ≤ E 0 ≤ 30 keV), for ...
279 18 should confirm that all elements in the periodic table are enabled and all X-ray family members are shown in the KLM mark ...
280 18 could possibly be present in the cage, the process of culling ani- mals that couldn’t possibly be present is far more rob ...
281 18 18.4.3 Lower Photon Energy Region As major spectral peaks located at lower photon energy (<4 keV) are considered, the ...
282 18 . Fig. 18.13 a EDS spectrum of Al at E 0 = 20 keV; note symmetry of Al K-family peaks. b EDS spectrum of KBr at E 0 = 20 ...
283 18 . Fig. 18.14 a Alloy IN100 recorded with E 0 = 20 keV and at 8 % dead-time showing identification of Ni. b Identification ...
284 18 d IN100 E 0 = 20 keV 8% deadtime Counts Counts 20 000 15 000 10 000 5 000 0 40 000 30 000 20 000 10 000 0 4.0 4.2 4.4 4.6 ...
285 18 Counts 20 000 15 000 10 000 5 000 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Photon energy (keV) IN100 E 0 = 20 keV 8% ...
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