Energy transfer between Jahn-Teller systems in RbMnF3

URN to cite this document:: urn:nbn:de:bvb:355-epub-268066
DOI to cite this document:: 10.5283/epub.26806

Wünsch, Friedrich ; Gebhardt, Wolfgang

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Date of publication of this fulltext: 23 Nov 2012 13:57

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Abstract

Energy transfer in RbMnF3 was studied by time-resolved spectroscopy of 4T1g exciton and trap luminescence. Uniaxial stress was used to lift the orientational degeneracy of the Jahn-Teller distorted MnF6 octahedra. Stress also reduces the excitonic transfer rates considerably. The most drastic reduction of transfer and a nonexponential decay was observed with (110) stress. Evidence for ...