Secondary Emission in NaNO_2 under Selective Excitation:Dispersion and Relaxation of ν_<00> Exciton

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概要

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• Spectral and transient behavior of secondary emission in NaN0. has been studiedunder the selective excitation with frequency v, in the region of the phonon sidebandof the zero-phonon line at v.. in the absorption spec:trum. The emission line becomesbroader and stronger as v, shifts from v.. toward higher energy, and it splits into twoor more compor(ents when v, falls into valley regions of the phonon sideband. Themaximum separation of the split components amounts to about 5 cm '. The decaytime of the emission is almost constant and about 7 ns for the change in v,. Theseresults suggest that v.. excitons are created in some limited regions of the exciton bandin the Brillouin zone by the phonon-assisted optical transition, and that radiative an-nihilation of the exciton occurs before thermalization of the exciton is established.

• 社団法人日本物理学会の論文
• 1987-06-15

著者

• Sakai Takafumi

  Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University

• Kato Riso

  Department of Physics, Faculty of Science, Kyoto University

• Kato Riso

  Department Of Physics Faci4ty Of Science Kyoto University

• SAKAI TOSHIO

  Department of Anatomy, the Jikei University School of Medicine

• Sakai Toshio

  Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University

• KAWAURA Hisao

  Department of Physics,Faculty of Science,Kyoto University

• Kawaura H

  Fundamental Research Laboratories Nec Caporation

• Kawaura Hisao

  Department Of Physics Faculty Of Science Kyoto University:nippon Electric Co. Ltd.

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