Energy Level Scheme of Excitonic Molecule and Exciton in CuBr

Yoshiko Nasu; Sachio Koizumi; Nobukata Nagasawa; Masayasu Ueta

doi:10.1143/JPSJ.41.715

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Energy Level Scheme of Excitonic Molecule and Exciton in CuBr

Yoshiko Nasu, Sachio Koizumi, Nobukata Nagasawa, Masayasu Ueta

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1976 Volume 41 Issue 2 Pages 715-716

DOI https://doi.org/10.1143/JPSJ.41.715

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Abstract

Giant two-photon absorption for the direct generation of excitonic molecue is measured. Three absorption peaks are found at 2.9540, 2.9561 and 2.9576 eV, which are responsible for the two-photon transitions to the Γ₁(J=0), Γ₅(J=2) and Γ₃(J=2) states, respectively, of the excitonic molecule.

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