Dynamics of localized excitations from energy and time resolved
spectroscopy

Nikolaus Schwentner

doi:10.1364/AO.19.004104

Applied Optics
Vol. 19,
Issue 23,
pp. 4104-4114
(1980)
•https://doi.org/10.1364/AO.19.004104

Dynamics of localized excitations from energy and time resolved spectroscopy

Nikolaus Schwentner

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Nikolaus Schwentner, "Dynamics of localized excitations from energy and time resolved spectroscopy," Appl. Opt. 19, 4104-4114 (1980)

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Abstract

The electronic structure and the excited state relaxation phenomena in condensed rare gases have been studied by absorption spectroscopy, photoelectron spectroscopy, and time resolved luminescence spectroscopy, all using selective excitation by monochromatized synchrotron radiation. Radiationless and radiative electronic transitions in excited states and the rearrangement of surrounding matrix atoms will be discussed for excited rare gas atoms in rare gas matrices. Furthermore, experimental results concerning the scattering of excitons within the free exciton branches, localization of excitons, relaxation within the self-trapped exciton states, and energy transfer to guest atoms and boundaries will be presented.

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	Exciton state	Atomic state	Energy in Ne matrix			Energy in free atom53	Lifetime
	Exciton state	Atomic state	Absorption17	Emission17	Emission52	Energy in free atom53	In Ne matrix,17	Of free atom
		6s 1s₅			8.34; 8.47	8.31
	n = 1	6s 1s₄	9.06	8.61	8.61	8.44	2.4 ± 0.2	3.46 ± 0.09 (Ref. 54)
Xe/Ne		6s′ 1s₃				9.45
	n′ = 1	6s′ 1s₂	10.05	9.80	9.77	9.57	3.5 ± 0.2	3.44 ± 0.07 (Ref. 54)
	n = 2	5d 3d₂	11.32	10.78		10.40	1.3 ± 0.2	1.40 ± 0.07 (Ref. 54)
		5s 1s₅			10.02	9.91
	n = 1	5s 1s₄	10.6	10.10	10.16	10.03	2.5 ± 0.2	3.18 ± 0.12 (Ref. 54)
Kr/Ne		5s′ 1s₃				10.51
	n′ = 1	5s′ 1s₂	11.22	10.78		10.64	3.1 ± 0.5	3.11 ± 0.12 (Ref. 54)
	n = 2	4d 3d₅	13.35	12.12		12.04	13.0 ± 2	44.5 (Ref. 55)
		4s 1s₅			11.63	11.54
	n = 1	4s 1s₄	12.51	11.70	11.71	11.62	5.8 ± 0.3	8.4 (Ref. 56)
Ar/Ne		4s 1s₃			11.81	11.72
	n′ = 1	4s′ 1s₂	12.74	11.92	11.92	11.83	1.2 ± 0.2	2.0 (Ref. 56)
	n = 2	3d 3d₅	14.82	13.93		13.86	420 ± 20

	Energy				Relative intensity						Molecular center		Atomic center
	a	b	c	d	a	b	c	d	ħω_D	2B	E_LR	H_m	E_LR	H_m
Ne		16.5–17	13–16			1.0	1.0		0.0064	0.4	2.0	0.0003	1.25	0.0008
Ar	12.1	11.64, 11.58	11.37	9.8	1 × 10⁻⁴	3 × 10⁻²	5 × 10⁻²	1.0	0.008	0.7	1.86	0.002	1.05	0.001
Kr	10.15	10.05	9.7	8.4	5 × 10⁻³	5 × 10⁻³	10⁻²	1.0	0.0062	0.9	1.38	0.01	0.77	0.01
Xe	8.35			7.6, 7.1	10⁻³			1.0	0.0055	0.9	0.85	0.02	0.05	5.6

	Exciton state	Atomic state	Energy in Ne matrix			Energy in free atom53	Lifetime
	Exciton state	Atomic state	Absorption17	Emission17	Emission52	Energy in free atom53	In Ne matrix,17	Of free atom
		6s 1s₅			8.34; 8.47	8.31
	n = 1	6s 1s₄	9.06	8.61	8.61	8.44	2.4 ± 0.2	3.46 ± 0.09 (Ref. 54)
Xe/Ne		6s′ 1s₃				9.45
	n′ = 1	6s′ 1s₂	10.05	9.80	9.77	9.57	3.5 ± 0.2	3.44 ± 0.07 (Ref. 54)
	n = 2	5d 3d₂	11.32	10.78		10.40	1.3 ± 0.2	1.40 ± 0.07 (Ref. 54)
		5s 1s₅			10.02	9.91
	n = 1	5s 1s₄	10.6	10.10	10.16	10.03	2.5 ± 0.2	3.18 ± 0.12 (Ref. 54)
Kr/Ne		5s′ 1s₃				10.51
	n′ = 1	5s′ 1s₂	11.22	10.78		10.64	3.1 ± 0.5	3.11 ± 0.12 (Ref. 54)
	n = 2	4d 3d₅	13.35	12.12		12.04	13.0 ± 2	44.5 (Ref. 55)
		4s 1s₅			11.63	11.54
	n = 1	4s 1s₄	12.51	11.70	11.71	11.62	5.8 ± 0.3	8.4 (Ref. 56)
Ar/Ne		4s 1s₃			11.81	11.72
	n′ = 1	4s′ 1s₂	12.74	11.92	11.92	11.83	1.2 ± 0.2	2.0 (Ref. 56)
	n = 2	3d 3d₅	14.82	13.93		13.86	420 ± 20

	Energy				Relative intensity						Molecular center		Atomic center
	a	b	c	d	a	b	c	d	ħω_D	2B	E_LR	H_m	E_LR	H_m
Ne		16.5–17	13–16			1.0	1.0		0.0064	0.4	2.0	0.0003	1.25	0.0008
Ar	12.1	11.64, 11.58	11.37	9.8	1 × 10⁻⁴	3 × 10⁻²	5 × 10⁻²	1.0	0.008	0.7	1.86	0.002	1.05	0.001
Kr	10.15	10.05	9.7	8.4	5 × 10⁻³	5 × 10⁻³	10⁻²	1.0	0.0062	0.9	1.38	0.01	0.77	0.01
Xe	8.35			7.6, 7.1	10⁻³			1.0	0.0055	0.9	0.85	0.02	0.05	5.6

Abstract

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Applied Optics