The spectrum of nickel monoxide between 410 and 510 nm: laser-induced fluorescence and dispersed fluorescence measurements

Balfour, Walter J.; Cao, Jiguo; Jensen, Roy H.; Li, Runhua

doi:10.1016/j.cplett.2003.12.089

Cited by 13 publications

(9 citation statements)

References 17 publications

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“…4 Surprisingly, the Ni layer exhibited marked differences from other metals such as Fe, extending down to nearly 70 km and having a column density roughly 20 times larger than expected based on the elemental abundance of Ni in Carbonaceous Ivuna (CI) chondrites (1.1%). 5 Ni can be present in meteorites as a Fe-Ni alloy, but is present in the majority of chondrites as Fe-Ni sulphides. 6 Understanding the chemistry that controls the metal layers in the MLT is important as they provide unique tracers of the chemistry and dynamics of a part of the atmosphere that can only be accessed directly by payloads on sub-orbital rockets.…”

Section: Introductionmentioning

confidence: 99%

Kinetic Study of Ni and NiO Reactions Pertinent to the Earth’s Upper Atmosphere

et al. 2018

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Section: Introductionmentioning

confidence: 99%

Kinetic Study of Ni and NiO Reactions Pertinent to the Earth’s Upper Atmosphere

et al. 2018

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“…The experimental work on NiO is rather extended numbering 14 publications. [6][7][8][9][10][11][12][13][14][15][16][17][18][19] The earliest of those is by Rosen 6 who was the first to report an harmonic frequency for the ground state of NiO in 1945, ω e = 615 cm −1 . In 1961, Grimely et al 7 made an estimation for the binding energy, D 0 = 85.5 ± 5 kcal/mol, which was reevaluated in more recent years to 89.2 ± 0.7 kcal/mol by Watson and coworkers.…”

Section: Introductionmentioning

confidence: 99%

First principles exploration of NiO and its ions NiO+ and NiO−

Sakellaris¹,

Mavridis²

2013

The Journal of Chemical Physics

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We present a high level ab initio study of NiO and its ions, NiO(+) and NiO(-). Employing variational multireference configuration interaction (MRCI) and single reference coupled-cluster methods combined with basis sets of quintuple quality, 54, 20, and 10 bound states of NiO, NiO(+), and NiO(-) have been studied. For all these states, complete potential energy curves have been constructed at the MRCI level of theory; in addition, for the ground states of the three species core subvalence (3s(2)3p(6)∕(Ni)) and scalar relativistic effects have been taken into account. We report energetics, spectroscopic parameters, dipole moments, and spin-orbit coupling constants. The agreement with experiment is in the case of NiO good, but certain discrepancies that need further investigation have arisen in the case of the anion whose ground state remains computationally a tantalizing matter. The cation is experimentally almost entirely unexplored, therefore, the study of many states shall prove valuable to further investigators. The ground state symmetry, bond distances, and binding energies of NiO and NiO(+) are (existing experimental values in parenthesis), X(3)Σ(-)(X(3)Σ(-)), r(e) = 1.606 (1.62712) Å, D(0) = 88.5 (89.2 ± 0.7) kcal/mol, and X(4)Σ(-)(?), r(e) = 1.60(?) Å, D(0) = 55 (62.4 ± 2.4) kcal/mol, respectively. The ground state of NiO(-) is (4)Σ(-) (but (2)Π experimentally) with D(0) = 85-87 (89.2 ± 0.7) kcal/mol.

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“…From a detailed spectral analysis Friedman-Hill and Field (1992) obtained accurate molecular constants for the NiO ground state and identified another NiO band system in the one micron region. Balfour et al (2004) simplified the emission spectrum by cooling the emission source via an expansion jet and were able to identify additional bands, particularly those associated with the lowest ground state energy level. The observed rotationally resolved band spectra form a basic part of a new spectral model (Gattinger et al, 2011a) which is used in the present analysis.…”

Section: Laboratory Observations Of the Chemiluminescentmentioning

confidence: 99%

The observation of chemiluminescent NiO* emissions in the laboratory and in the night airglow

et al. 2011

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Abstract. The recent finding of an orange spectral feature in OSIRIS/Odin spectra of the night airglow near 87 km has raised interest in the origin of the emission. The feature was positively identified as the chemiluminescent FeO * emission where the iron is of meteoric origin. Since the meteorite source of atomic metals in the mesosphere contains both iron and nickel, with Ni being typically 6 % of Fe, it is expected that faint emissions involving Ni should also be present in the night airglow. The present study summarizes the laboratory observations of chemiluminescent NiO * emissions and includes a search for the NiO * signature in the night airglow. A very faint previously unidentified "continuum" extending longwave of 440 nm has been detected in the night airglow spectra obtained with two space-borne limb viewing instruments. Through a comparison with laboratory spectra this continuum is identified as arising from the NiO * emission. The altitude profile of the new airglow emission has also been measured. The similarity of the altitude profiles of the FeO * and NiO * emissions also suggests the emission is NiO as both can originate from reaction of the metal atoms with mesospheric ozone. The observed NiO * to FeO * ratio exhibits considerable variability; possible causes of this observed variation are briefly discussed.

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The spectrum of nickel monoxide between 410 and 510 nm: laser-induced fluorescence and dispersed fluorescence measurements

Cited by 13 publications

References 17 publications

Kinetic Study of Ni and NiO Reactions Pertinent to the Earth’s Upper Atmosphere

Kinetic Study of Ni and NiO Reactions Pertinent to the Earth’s Upper Atmosphere

First principles exploration of NiO and its ions NiO+ and NiO−

The observation of chemiluminescent NiO* emissions in the laboratory and in the night airglow

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