Narrow excitation features present on the [Ar]<$E 3d sup 6 4s sup 1> <$E a sup 6 D sub {(J~=~9 "/" 2~-~1 "/" 2)} ~symbol М~ roman [Ar] 3d sup 5 4s sup 2 ~a sup 6 S sub {1 "/" 2}> transitions of manganese atoms isolated in solid Kr are analyzed within the framework of weak crystal field splitting. Use of the <$E W sub p> optical lineshape function allowed identification of multiple zero-phonon lines for individual spin-orbit J states of the <$E a sup 6 D~symbol М~a sup 6 S> transition recorded with laser-induced excitation spectroscopy. Excellent agreement exists between the predicted crystal field splitting patterns for the J levels of the <$E a sup 6 D> state isolated in the "red" tetravacancy site of solid Kr. The tetrahedral crystal field of the "red" trapping site splits <$E J ~>>~ 3 "/" 2> levels of the <$E a sup 6 D sub J> and <$E a sup 4 D sub {7 "/" 2}> states by approximately 30 <$E roman cm sup -1>. This report represents the first definitive evidence of crystal field splitting, induced by the weak van der Waals interactions between a neutral metal atom and the rare gas atoms surrounding it in a well defined solid state site.

Індекс рубрикатора НБУВ: В368.33

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Шифр НБУВ: Ж14063 Пошук видання у каталогах НБУВ 

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