Reactions of Ca and Sr with CH3X and CF3X (X  Br, I). A laser-induced fluorescence study on nascent CaBr, SrBr, and SrI

Keijzer, F.; Teule, J.M.; Bulthuis, J.; Graaff, G.J. de; Hilgeman, M.H.; Janssen, Maurice H. M.; Kleef, Eddy H. van; Leuken, J.J. van; Stolte, S.

doi:10.1016/0301-0104(95)00369-x

Cited by 22 publications

(22 citation statements)

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“…The LIF detection setup is the same as in previous experiments. 21 For constant Sr excitation a control unit locks a reference cavity on the Sr( 3 P1) fluorescence signal. The laser frequency is locked on the reference cavity.…”

Section: Methodsmentioning

confidence: 99%

“…21 In a CW-LIF experiment where saturation is achieved, the fluorescence signal is directly related to the flux of the product molecules. This is in contrast to pulsed LIF, where the signal is proportional to the density of molecules.…”

Section: Spectrum Simulationmentioning

confidence: 99%

“…In the last section the experimental observations are discussed and interpreted. Figure 2 shows the experimental setup, consisting of a vacuum system 21 and two laser systems. The high-vacuum chamber contains an effusive metal oven, in which the Sr metal is heated to about 900 K. The vapor pressure of about 0.1 Torr inside the oven results in a number density of Sr atoms in the reaction zone of about 3 × 10 10 cm -3 .…”

Section: Introductionmentioning

confidence: 99%

“…The electron jump mechanism is often believed to be a suitable representation of the mechanism for the M + RX, X 2 reactions (M ) alkali metal, alkaline earth metal; X ) halogen). 3,21,43 In this picture an electron jumps from the metal atom to the molecular reactant, resulting in a strong Coulombic force pulling the reactants together. The low ionization potential of Sr( 3 P 1 ) facilitates an electron jump.…”

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confidence: 99%

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Laser-Induced Fluorescence Studies of Excited Sr Reactions. 1. Sr(³P₁) + HF

et al. 1998

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Electronic ground-state SrF (X 2 Σ) products formed in the reaction of electronically excited Sr( 3 P 1 ) with HF are studied using laser-induced fluorescence (LIF) detection. Sr atoms are excited to the 3 P 1 state using a frequency-narrowed and -stabilized linear titanium-sapphire laser at 689.3 nm. The vibrational and rotational population distributions in the SrF(X 2 Σ) products are deduced from the LIF spectra of the B 2 Σ-X 2 Σ and A 2 Π 3/2 -X 2 Σ transitions using spectrum simulation. The results show a strong dependence of the SrF internal energy distribution on the impact parameter. The light H atom is ejected with high translational energy.

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Section: Methodsmentioning

confidence: 99%

Section: Spectrum Simulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Laser-Induced Fluorescence Studies of Excited Sr Reactions. 1. Sr(³P₁) + HF

et al. 1998

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“…In the past several decades, the detailed reaction dynamics between alkaline earth metal atoms and halogenated methanes has been attracting much extensive attention both theoretically and experimentally [1][2][3][4][5][6][7][8][9]. Laser induced fluorescence (LIF) is the most popular method to study alkaline earth monohalides, and a pulsed laser are also used in most cases [1][2][3][4][5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%