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LASER-INDUCED FLUORESCENCE SPECTROSCOPY OF ZIRCONIUM MONOCARBIDE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/18964

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Title: LASER-INDUCED FLUORESCENCE SPECTROSCOPY OF ZIRCONIUM MONOCARBIDE
Creators: Merer, A. J.; Peers, J. R. D.; Rixon, Scott J.
Issue Date: 1998
Abstract: Laser-ablated Zr metal is found to react with methane under supersonic jet-cooled conditions. New electronic bands in the $540-655 nm$ region have been detected by laser-induced fluorescence. Among these are bands which do not change when $CD_{4}$ is sustituted for $CH_{4}$ and whose lower state B value is $0.526_{***} cm^{-1}$; wavelength-resolved fluorescence indicates a lower state vibrational frequency of approximately $880 cm^{-1}$, suggesting that the carrier is ZrC. Analysis of the high resolution spectra is complicated by irregularities in the Zr isotope structure, indicating severe rotational perturbations. The derived bond length of $r^{\prime \prime} = 1.73_{9}$ {\AA} is consistent with those found in other 4d transition metal monocarbides.
URI: http://hdl.handle.net/1811/18964
Other Identifiers: 1998-RI-04
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