Magnetic Circular Dichroism of the Exciton Multiplet Bands in CsI and CsBr

Autor:	Ryumyo Onaka, Hiromi Iwamoto
Rok vydání:	1983
Předmět:	Physics Condensed Matter::Materials Science Circular dichroism Absorption edge X-ray magnetic circular dichroism Condensed Matter::Other Magnetic circular dichroism Exciton Vibrational circular dichroism General Physics and Astronomy Atomic physics Multiplet Spectral line
Zdroj:	Journal of the Physical Society of Japan. 52:3992-4000
ISSN:	1347-4073 0031-9015
DOI:	10.1143/jpsj.52.3992
Popis:	Magneto-optical properties of exciton multiplet bands in Cs halides are studied by measuring optical absorption and magnetic circular dichroism (MCD) spectra. It is found that among the five sharp exciton bands observed in the region near the fundamental absorption edge, the first, second and fourth bands have positive effective g -values and the other two bands negative. The magnetic circular dichroism is interpreted by considering the optically attainable exciton states arising from the configurations ( t 1u ) 5 a 1g and ( t 1u ) 5 e g . The exciton states are calculated by use of an electron transfer model.
Databáze:	OpenAIRE
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