Comparison of highly oriented pyrolytic and ordinary graphite as polarizers of Mo Kα radiation in EDXRF | Zendy

Kanngiesser Birgit | Zendy; Beckhoff Burkhard | Zendy; Swoboda Walter | Zendy

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Comparison of highly oriented pyrolytic and ordinary graphite as polarizers of Mo Kα radiation in EDXRF

Author(s) -

Kanngiesser Birgit,

Beckhoff Burkhard,

Swoboda Walter

Publication year - 1991

Publication title -

x‐ray spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.447

H-Index - 45

eISSN - 1097-4539

pISSN - 0049-8246

DOI - 10.1002/xrs.1300200615

Subject(s) - polarizer , graphite , pyrolytic carbon , materials science , highly oriented pyrolytic graphite , excitation , radiation , collimated light , analytical chemistry (journal) , optics , pyrolysis , composite material , physics , chemistry , organic chemistry , birefringence , quantum mechanics , laser

Highly oriented pyrolytic graphite (HOPG) and ordinary graphite were compared with respect to detection limits as excitation targets in a triaxial EDXRF set‐up. HOPG as a Bragg polarizer of Mo Kα x‐rays did not show appreciable advantages over ordinary graphite as a Barkla scatterer. Under relatively wide collimation conditions necessary to obtain a sufficient count rate in analytical practice, HOPG acts mainly as a Barkla scatterer.

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