Self-localization of high-frequency triplet excitations in crystal nitrogen
I. Ya. Fugol’Physicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRYu. B. PoltoratskiǐPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRYu. I. RybalkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR
ABI
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The radiation of crystalline nitrogen corresponding to the transition between two high-lying triplet states C3→ B3Πg is discovered. The spectrum of this transition in the crystal possesses an interesting feature–the agreement between the frequencies of the electron-vibrational-rotational transitions and those in the gas. The effect of free molecule rotation in the lattice is observed in both excited states. A possible mechanism for the formation of self-localized states C3Πu and B3Πg in the nitrogen lattice is discussed.
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