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The 193 nm fragmentation and ionization of trimethylaluminum: Evidence for photoinduced α-hydrogen elimination (1990)

Brum, Jeffrey L. ; Tong, Ping ; Koplitz, Brent

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 56 (1990), S. 695-697

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: Results are reported on the 193 nm excitation of trimethylaluminum under collisionless conditions. Time-of-flight mass spectra are monitored at several different excimer laser powers. At relatively low powers, the mass spectra consist solely of masses 27 and 57, presumably the Al+ and Al(CH3)+2 ions. At higher laser powers, however, mass 58 is readily observed, suggesting the presence of a reaction channel involving α-hydrogen elimination to form the AlH(CH3)2 photofragment. This observation is interpreted in the context of recent theoretical calculations by Higashi and Steigerwald [Appl. Phys. Lett. 54, 81 (1989)].

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.102686

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