Lect13_notes

6 characteristic transitions and nomenclature cbems

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Unformatted text preview: MS 164 – XRD, SEM & Microanalysis: Lecture 13 ! 6 Characteristic Transitions and Nomenclature! CBEMS 164 – XRD, SEM & Microanalysis: Lecture 13 ! 7 CBEMS 164 – XRD, SEM & Microanalysis: Lecture 13 ! 8 Relative Weighting of Signals in Spectra! Characteristic X-Ray Peak Energies! CBEMS 164 – XRD, SEM & Microanalysis: Lecture 13 ! 9 CBEMS 164 – XRD, SEM & Microanalysis: Lecture 13 ! 10 Relative Weighting of Signals in Spectra! Sample EDS Spectrum – Copper! CBEMS 164 – XRD, SEM & Microanalysis: Lecture 13 ! 11 Hardware Utilized in Energy Dispersive Spectroscopy (EDS) Analysis! CBEMS 164 – XRD, SEM & Microanalysis: Lecture 13 ! 12 Hardware Utilized in Energy Dispersive Spectroscopy (EDS) Analysis! •  Silicon Drift Detector –  SDD –  Faster acquisition rate –  No LN2 required •  Li-drifted Si detector –  Si(Li) –  Needs LN2 cooling CBEMS 164 – XRD, SEM & Microanalysis: Lecture 13 ! 13 CBEMS 164 – XRD, SEM & Microanalysis: Lecture 13 ! 14 SDD Systems! •  The Silicon Drift Detector (SDD) is an energy dispersive X-ray). •  The detector crystal is moderately cooled by...
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This note was uploaded on 01/16/2014 for the course CBEMS 164 taught by Professor Porter,j during the Fall '08 term at UC Irvine.

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