Anomalous change of extinction spectra of CuCl microcrystals | Zendy

Yasuaki Masumoto | Zendy; Tetsuro Wamura | Zendy; Tomohiro Kawamura | Zendy

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Anomalous change of extinction spectra of CuCl microcrystals

Author(s) -

Yasuaki Masumoto,

Tetsuro Wamura,

Tomohiro Kawamura

Publication year - 1991

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.104896

Subject(s) - exciton , annealing (glass) , spectral line , absorption spectroscopy , semiconductor , extinction (optical mineralogy) , molecular physics , materials science , photoluminescence , blueshift , condensed matter physics , mie scattering , chemistry , optics , optoelectronics , light scattering , scattering , physics , mineralogy , astronomy , composite material

Optical transmission spectra of CuCl microcrystals embedded in NaCl crystals were studied around the Z3 exciton resonance by varying the annealing time. With the increase in the annealing time, extinction spectra of the Z3 exciton change anomalously from the absorption-type spectrum to the emission-type spectrum via the dispersion-type spectrum. The Mie theory [Ann. Phys. 25, 377 (1908)] successfully explains the spectral change due to the growth of microcrystals. We report here for the first time an anomalous change of the exciton spectra due to the growth of semiconductor microcrystals

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