Two-photon absorption in PbI2

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1977 English Publisher:Springer Science and Business Media LLCJournal:Il Nuovo Cimento B Series 11, volume 38, pages 433-438 (eissn: 1826-9877,

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Authors: D. Fröhlich; R. Kenklies;

doi: 10.1007/bf02723515

Two-photon absorption in PbI2

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Abstract

The two-photon spectrum of 2H- and 4H-PbI2 was measured at low temperatures in the exciton region. Most of the 2H-crystals show clearly resolved structure which is interpreted as transitions to 2P- and 3P-excitons and phonon sidebands. The temperature dependence of the spectrum supports the assignment. The data are analysed by means of the formalism for anisotropic excitons of Gerlach and Pollmann.

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TU Dortmund University
Germany

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