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Conferences > IQEC > 1986 > THAA > THAA5
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1986),
  • paper THAA5

Photofragmentation and photodesorption of physisorbed surface molecules at 193 nm

F. TABARES, E. P. MARSH, G. BACH, and J. P. COWIN

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Abstract

This study probes the basic dynamics and energy transfer mechanisms by which laser-stimulated surface reactions proceed. We photofragment surface molecules by exciting internally repulsive states and analyze the velocities of fragments ejected away from the surface. We present a UHV study of photofragmentation CH3Br physisorbed on LiF.1 The expected Chemical, electronic, and optical inertness of LiF was desired for simplicity. Also recent resulta In another labora- tory2 showed a completely unexpected and poorly understood molecular photodesorption.

© 1986 Optical Society of America

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