The A-emission of KBr: Tl

M. Roth; A. Halperin

doi:10.1016/0022-2313(79)90177-7

The A-emission of KBr: Tl

M. Roth^*, A. Halperin

^*Corresponding author for this work

The Institute of Applied Physics

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

The line shapes and relative efficiencies of A_T and A_X emission bands of KBr : Tl have been studied over a wide temperature range (10-500 K). The behavior of A_T and A_X emissions has been described phenomenologically in terms of the coexistence of two different kinds of minima on the adiabatic potential energy surface of the ³T_1u relaxed excited state. The line shape parameters and the A-emission temperature dependence show that T and X minima belong to distortions of different symmetry. A model considering the emission processes from T and X minima separately, in spaces of different distortions, is shown to account well for the experimental results. The emission at very low temperatures (below 50 K) was found to be sensitive to trace impurities.

Original language	English
Pages (from-to)	227-240
Number of pages	14
Journal	Journal of Luminescence
Volume	20
Issue number	3
DOIs	https://doi.org/10.1016/0022-2313(79)90177-7
State	Published - 1979

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10.1016/0022-2313(79)90177-7

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title = "The A-emission of KBr: Tl",

abstract = "The line shapes and relative efficiencies of AT and AX emission bands of KBr : Tl have been studied over a wide temperature range (10-500 K). The behavior of AT and AX emissions has been described phenomenologically in terms of the coexistence of two different kinds of minima on the adiabatic potential energy surface of the 3T1u relaxed excited state. The line shape parameters and the A-emission temperature dependence show that T and X minima belong to distortions of different symmetry. A model considering the emission processes from T and X minima separately, in spaces of different distortions, is shown to account well for the experimental results. The emission at very low temperatures (below 50 K) was found to be sensitive to trace impurities.",

author = "M. Roth and A. Halperin",

year = "1979",

doi = "10.1016/0022-2313(79)90177-7",

language = "אנגלית",

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T1 - The A-emission of KBr

T2 - Tl

AU - Roth, M.

AU - Halperin, A.

PY - 1979

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N2 - The line shapes and relative efficiencies of AT and AX emission bands of KBr : Tl have been studied over a wide temperature range (10-500 K). The behavior of AT and AX emissions has been described phenomenologically in terms of the coexistence of two different kinds of minima on the adiabatic potential energy surface of the 3T1u relaxed excited state. The line shape parameters and the A-emission temperature dependence show that T and X minima belong to distortions of different symmetry. A model considering the emission processes from T and X minima separately, in spaces of different distortions, is shown to account well for the experimental results. The emission at very low temperatures (below 50 K) was found to be sensitive to trace impurities.

AB - The line shapes and relative efficiencies of AT and AX emission bands of KBr : Tl have been studied over a wide temperature range (10-500 K). The behavior of AT and AX emissions has been described phenomenologically in terms of the coexistence of two different kinds of minima on the adiabatic potential energy surface of the 3T1u relaxed excited state. The line shape parameters and the A-emission temperature dependence show that T and X minima belong to distortions of different symmetry. A model considering the emission processes from T and X minima separately, in spaces of different distortions, is shown to account well for the experimental results. The emission at very low temperatures (below 50 K) was found to be sensitive to trace impurities.

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The A-emission of KBr: Tl

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