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Frenkel excitons in NaNO₂ : Excitation energy transfer and exciton coherence

Title data

Köhler, Jürgen ; Schmid, Dankward:
Frenkel excitons in NaNO₂ : Excitation energy transfer and exciton coherence.
In: Journal of Physics: Condensed Matter. Vol. 8 (1996) Issue 2 . - pp. 115-141.
ISSN 1361-648X
DOI: https://doi.org/10.1088/0953-8984/8/2/003

Abstract in another language

A review is presented about sensitized luminescence and luminescence lineshape studies on pure and doped sodium nitrite which have led to detailed knowledge about the lowest excited states of this system. Both the lowest triplet state and the first excited singlet state are Frenkel excitons, states that can migrate through the crystal. This migration is appropriately described by a one-dimensional energy transfer process for the triplet and, surprisingly, also for the singlet state. The exciton states themselves show an evolution in time that reveal the transition from coherent to incoherent behaviour with increasing temperature. In combination with theoretical investigations a consistent picture of the exciton states in sodium nitrite is achieved.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: review
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik IX - Spektroskopie weicher Materie > Lehrstuhl Experimentalphysik IX - Spektroskopie weicher Materie - Univ.-Prof. Dr. Jürgen Köhler
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik IX - Spektroskopie weicher Materie
Result of work at the UBT: No
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 12 Apr 2018 12:56
Last Modified: 16 Apr 2018 09:40
URI: https://eref.uni-bayreuth.de/id/eprint/43350