FOURIER TRANSFORM INFRARED SPECTRA OF $Ge_{n}$ CLUSTERS TRAPPED IN SOLID Ar

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2000

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Ohio State University

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The structures and vibrational fundamentals of Gen clusters trapped in solid Ar are under investigation using Fourier transform infrared spectroscopy. Gen anions (n = 2-15) were studied earlier by Neumarketal.a, using anion photoelectron spectroscopy and zero electron kinetic energy spectroscopy. Tentative assignments were made for a fundamental vibration of each of Ge3 and Ge4, although vibrational structure was unresolved for larger clusters. We present vibrational spectra obtained for Gen species produced by laser ablation of pure germanium followed by trapping in an Ar matrix and compare the experimental observations with the predictions of density functional theory calculations.

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aG.R. Burton, C. Xu. C. Arnold, and D. Neumark, J. Chem. Phys. 104, 2757 (1996)


Author Institution: Department of Physics and Astronomy, TCU

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