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Anisotropy of Exciton Polaritons and Polariton–Phonon Interaction in 2H‐PbI 2 Crystals I. Structure of the Fundamental Excitonic Emission
Author(s) -
Biellmann J.,
Meyer B.,
Schwab C.
Publication year - 1981
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221030140
Subject(s) - polariton , photoluminescence , exciton , anisotropy , phonon , reflection (computer programming) , condensed matter physics , materials science , molecular physics , optics , optoelectronics , physics , computer science , programming language
A procedure is described which allows to prepare optical faces parallel to the c ‐axis by processing bulk 2H‐PbI 2 crystals grown from the melt. Its effectiveness is checked by a simultaneous investigation of the reflection and photoluminescence spectra, whose main features compare well to former results obtained on cleaved or natural faces.