Scherer, J. J. and Paul, J. B. and Collier, C. P. and O'Keefe, A. and Saykally, R. J. (1995) Cavity ringdown laser absorption spectroscopy and time-of-flight mass spectroscopy of jet-cooled gold silicides. Journal of Chemical Physics, 103 (21). pp. 9187-9192. ISSN 0021-9606. doi:10.1063/1.470029. https://resolver.caltech.edu/CaltechAUTHORS:SCHEjcp95a
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Abstract
The cavity ringdown technique has been employed for the spectroscopic characterization of the AuSi molecule, which is generated in a pulsed supersonic laser vaporization plasma reactor. Fifteen rovibronic bands have been measured between 340 nm–390 nm, 8 of which have been analyzed to yield molecular properties for the X and D 2Sigma states of AuSi. This assignment is in disagreement with previous emission studies of AuSi, which had assigned the ground electronic state as a 2Pi state. A time-of-flight mass spectrometer simultaneously monitors species produced in the molecular beam and has provided evidence for facile formation of polyatomic gold silicides. Comparison of AuSi with our recent results for CuSi and AgSi indicates regular bonding trends for the three coinage metal silicide diatoms.
| Item Type: | Article | ||||||
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| Additional Information: | ©1995 American Institute of Physics (Received 8 May 1995; accepted 14 August 1995) This research was supported by the Air Force Office of Scientific Research under Grant No. F49620-93-1-0278. J.J.S. thanks I.B.M. for a predoctoral fellowship during part of this research. | ||||||
| Subject Keywords: | ABSORPTION SPECTROSCOPY; DIATOMIC MOLECULES; ELECTRONIC STRUCTURE; GOLD SILICIDES; MASS SPECTROSCOPY; MOLECULAR BEAMS; TIME–OF–FLIGHT METHOD; ULTRAVIOLET SPECTRA; VIBRONIC STATES | ||||||
| Issue or Number: | 21 | ||||||
| DOI: | 10.1063/1.470029 | ||||||
| Record Number: | CaltechAUTHORS:SCHEjcp95a | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:SCHEjcp95a | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 4113 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Archive Administrator | ||||||
| Deposited On: | 27 Jul 2006 | ||||||
| Last Modified: | 08 Nov 2021 20:14 |
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