Multiphoton dissociation of GeH4: Ultraviolet emission spectrum of GeH

J. F. Osmundsen; C. C. Abele; J. G. Eden

doi:10.1063/1.449306

Multiphoton dissociation of GeH₄: Ultraviolet emission spectrum of GeH

J. F. Osmundsen, C. C. Abele, J. G. Eden

Electrical and Computer Engineering

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Abstract

The ultraviolet emission spectrum of GeH has been examined following the two photon-initiated dissociation of germane (GeH₄) at 248 nm. The most prominent peaks lying between ∼250 and 340 nm are tentatively assigned to B ₂Σ (v′ = 0)→X ²Π _1/2,3/2 (v″) transitions. From this premise, the vibrational constants for the X ²Π states have been estimated to be ω_e = (1949 ± 5) cm^-1, ω _ex_e = 16.5 ± 2.0 cm^-1, and ω_ey_e = (0.7 ± 0.3) cm^-1. Also, the radiative lifetime of the lowest vibrational levels of the GeH A ²Δ state in transitions to ground has been measured to be 12 ± 2 ns.

Original language	English (US)
Pages (from-to)	2159-2161
Number of pages	3
Journal	The Journal of Chemical Physics
Volume	83
Issue number	5
DOIs	https://doi.org/10.1063/1.449306
State	Published - 1985

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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title = "Multiphoton dissociation of GeH4: Ultraviolet emission spectrum of GeH",

abstract = "The ultraviolet emission spectrum of GeH has been examined following the two photon-initiated dissociation of germane (GeH4) at 248 nm. The most prominent peaks lying between ∼250 and 340 nm are tentatively assigned to B 2Σ (v′ = 0)→X 2Π 1/2,3/2 (v″) transitions. From this premise, the vibrational constants for the X 2Π states have been estimated to be ωe = (1949 ± 5) cm-1, ω exe = 16.5 ± 2.0 cm-1, and ωeye = (0.7 ± 0.3) cm-1. Also, the radiative lifetime of the lowest vibrational levels of the GeH A 2Δ state in transitions to ground has been measured to be 12 ± 2 ns.",

author = "Osmundsen, {J. F.} and Abele, {C. C.} and Eden, {J. G.}",

year = "1985",

doi = "10.1063/1.449306",

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volume = "83",

pages = "2159--2161",

journal = "The Journal of Chemical Physics",

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publisher = "American Institute of Physics",

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TY - JOUR

T1 - Multiphoton dissociation of GeH4

T2 - Ultraviolet emission spectrum of GeH

AU - Osmundsen, J. F.

AU - Abele, C. C.

AU - Eden, J. G.

PY - 1985

Y1 - 1985

N2 - The ultraviolet emission spectrum of GeH has been examined following the two photon-initiated dissociation of germane (GeH4) at 248 nm. The most prominent peaks lying between ∼250 and 340 nm are tentatively assigned to B 2Σ (v′ = 0)→X 2Π 1/2,3/2 (v″) transitions. From this premise, the vibrational constants for the X 2Π states have been estimated to be ωe = (1949 ± 5) cm-1, ω exe = 16.5 ± 2.0 cm-1, and ωeye = (0.7 ± 0.3) cm-1. Also, the radiative lifetime of the lowest vibrational levels of the GeH A 2Δ state in transitions to ground has been measured to be 12 ± 2 ns.

AB - The ultraviolet emission spectrum of GeH has been examined following the two photon-initiated dissociation of germane (GeH4) at 248 nm. The most prominent peaks lying between ∼250 and 340 nm are tentatively assigned to B 2Σ (v′ = 0)→X 2Π 1/2,3/2 (v″) transitions. From this premise, the vibrational constants for the X 2Π states have been estimated to be ωe = (1949 ± 5) cm-1, ω exe = 16.5 ± 2.0 cm-1, and ωeye = (0.7 ± 0.3) cm-1. Also, the radiative lifetime of the lowest vibrational levels of the GeH A 2Δ state in transitions to ground has been measured to be 12 ± 2 ns.

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