Temperature dependence of the spectrum and phosphorescence decay kinetics of acenaphthenequinone-doped 1,4-dibromonaphthalene crystals
A. A. AvdeenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , Khar’kovV. K. DobrokhotovaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , Khar’kovYu. V. NaboĭkinPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , Khar’kovYu. A. TiunovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , Khar’kovI. N. ChukanovaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , Khar’kov
ABI
Аннотация
The behavior of the spectrum and kinetics of phosphorescence of acenaphthenequinone-activated 1,4-dibromonaphthalene crystal is studied in the temperature interval 4.2−7 K. Impurity centers that can form bound excited complexes as the temperature of the crystal is raised were discovered. A series of fundamental facts indicates that spin-selective processes in the system of Zeeman spin sublevels of the triplet state participate in the mechanism of formation of complexes.
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