Non-Radiative De-Excitation of Highly Excited Self-Trapped Excitons in Alkali Halides: Mechanism of the F and H Centre Production

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概要

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• We calculate the rates of non-radiative transitions among the excited state's ofthe self-trapped exciton in KCI. The transition maa!rix elements are calculcttedusing the same semi-eznpirical molecular orbital r?aethod (CNDO) as in ourearlier calculations of the energy surfaces and radiolysis mechanism. The resultsare consistent with current experiments.One important result is that the non-radiativ5 dc:cay of the lowest electron-excited state of the self-trapped exciton proceeds :more rapidly to the lowesthole-excited state than to the ground triplet state. T'ransfer of excitation energyfrom the electron to the hole (and hence the production of F and H centres) canproceed rapidly.

• 社団法人日本物理学会の論文
• 1980-10-15

著者

• Itoh Noriaki

  Theoretical Physics Division:department Of Crystalline Materials Science Faculty Of Engineering Nago

• Stoneham A.M.

  Theoretical Physics Division AERE

• Harker A.H.

  Theoretical Physics Division AERE

関連論文

• Non-Radiative De-Excitation of Highly Excited Self-Trapped Excitons in Alkali Halides: Mechanism of the F and H Centre Production

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