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Search Publications by: John C. Stephenson (Assoc)

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Displaying 26 - 50 of 73

Sum Frequency Spectroscopy Studies of Adsorption of Additives on Metal/Electrolyte Interfaces

November 1, 2000
Author(s)
Clayton S. Yang, Lee J. Richter, Kimberly Briggman, John C. Stephenson, Thomas P. Moffat, Gery R. Stafford
In situ and ex situ VR-SFG studies of mercaptopropylsulfonate (MPSA) molecules adsorbed on metal/electrolyte interfaces prove the molecular conformation is sensitive to hydration. MPSA catalyses electrodeposition of copper interconnection for semiconductor

Vibrationally-Resolved Sum-Frequency Generation With Broad Bandwidth Infrared Pulses

October 15, 1998
Author(s)
Lee J. Richter, T Petralli-Mallow, John C. Stephenson
We present a novel procedure for vibrationally-resolved sum-frequency generation (SFG) in which a broad-bandwidth IR pulse is mixed with a narrow-bandwidth visible pulse. The resultant SFG spectrum is dispersed with a spectrograph and detected in parallel