Circular dichroism in x-ray photoemission from core levels of nonmagnetic species

6533b7dbfe1ef96bd12715c1

RESEARCH PRODUCT

Circular dichroism in x-ray photoemission from core levels of nonmagnetic species

F. Schäfers H. Petersen Ch. Ostertag Gerd Schönhense C. Westphal F. Fegel Mathias Getzlaff Joachim Bansmann

subject

Physics Condensed Matter::Materials Science Circular dichroism Ferromagnetism X-ray magnetic circular dichroism Vibrational circular dichroism X-ray Synchrotron radiation Condensed Matter::Strongly Correlated Electrons Atomic physics Dichroism Photoelectric effect

description

Circular dichroism in the angular distribution of photoelectrons (CDAD) has been observed in core-level photoemission from spherically symmetric initial states of nonmagnetic species utilizing circularly polarized soft-x-ray radiation from BESSY. Up to now, CDAD was predicted and observed only for aligned initial states. The data for oriented CO molecules prove that circular x-ray dichroism in photoemission from core levels is a general phenomenon that is not restricted to ferromagnets. High asymmetries of 50% suggest future applications as an effective circular x-ray analyzer.

year	journal	country	edition	language
1992-11-15	Physical Review B

https://doi.org/10.1103/physrevb.46.13496

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