Electron stimulated desorption from CO chemisorbed on Pt(111): A dynamical study of positive ion and metastable CO emission |
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| Affiliation: | 1. Department of Psychology, University of British Columbia, Vancouver, Canada;2. Vancouver Coastal Health Research Institute, Vancouver, Canada;3. Djavad Mowafaghian Centre for Brain Health, Vancouver, Canada;4. Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA;5. Sports Concussion Program, MassGeneral Hospital for Children, Boston, MA;6. Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, MA;7. Department of Physical Medicine and Rehabilitation, Schoen Adams Research Institute at Spaulding Rehabilitation, Charlestown, MA;8. Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Charlestown, MA;9. Mrs. T. H. Chan Division of Occupational Science and Occupational Therapy, University of Southern California, CA;10. Department of Rehabilitation and Human Performance, Brain Injury Research Center of Mount Sinai, Icahn School of Medicine at Mount Sinai, New York, NY;11. Kaiser Foundation Rehabilitation Center, The Permanente Medical Group, Vallejo, CA;12. Department of Physical Medicine and Rehabilitation, Hennepin Healthcare, Minneapolis, MN;13. Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN;14. Department of Physical Medicine and Rehabilitation, Massachusetts General Hospital, Boston, MA;15. UCLA Steve Tisch BrainSPORT Program, David Geffen School of Medicine at UCLA, Los Angeles, CA;p. Division of Physical Therapy, Department of Health Sciences, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC;q. Traumatic Brain Injury Center of Excellence, Defense Health Agency, Silver Spring, MD;r. School of Professional and Applied Psychology, Philadelphia College of Osteopathic Medicine, Philadelphia, PA;s. Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada;t. Moss Rehabilitation Research Institute, Elkins Park, PA;u. Department of Occupational Science & Occupational Therapy, University of Toronto, Toronto, Canada;v. Mayo Clinic School of Medicine, Scottsdale, AZ;w. MetroHealth Rehabilitation Institute and Case Western Reserve University, Cleveland, OH;x. Murdoch Children''s Research Institute, The Royal Children''s Hospital, Parkville, Australia;y. University of New Mexico School of Medicine, University of Colorado School of Medicine, Aurora, CO;z. Toronto Rehabilitation Institute, University Health Network, University of Toronto, Toronto, Canada;11. University of Rochester School of Medicine and Dentistry, Rochester, NY;12. University of Texas Southwestern Medical Center, Dallas, TX;13. University of Michigan, Michigan Concussion Center, Ann Arbor, MI;14. Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University School of Medicine, Richmond, VA;15. U.S. Department of Veterans Affairs, Richmond, VA;16. Cabrini Health, Cabrini Malvern, Melbourne, Australia;17. Schulthess Klinic, Zurich, Switzerland;18. Swiss Concussion Center, Zurich, Switzerland;19. University Orthopedics Center, Concussion Care Clinic, University of Missouri-Kansas City, Kansas City, MO;110. Division of Neuropsychology/SCORE Concussion Program, Children''s National Hospital, George Washington University School of Medicine, Rockville, MD;111. University of California at Los Angeles, Departments of Neurosurgery and Pediatrics, Steve Tisch BrainSPORT Program, Los Angeles, CA;112. Uniformed Services University, Department of Neurology and Radiology, Bethesda, MD;113. Department of Neurology, Boston University Chobanian & Avedisian School of Medicine, MA;114. Division of Pediatric Rehabilitation Medicine, Cincinnati Children''s Hospital Medical Center, Cincinnati, OH;115. Departments of Pediatrics, Neurology, and Rehabilitation Medicine, University of Cincinnati College of Medicine, Cincinnati, OH;1p. UBMD Department of Orthopaedics and Sports Medicine, SUNY Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY;1q. Population Health and Optimal Health Practices Axis, CHU de Québec-Université Laval Research Centre, VITAM-Centre de recherche en santé durable, Québec, Canada;1r. Department of Family Medicine and Emergency Medicine, Université Laval, Québec, Canada;1s. Department of Emergency Medicine, Stanford University, Stanford, CA;1t. Antwerp University Hospital, Edegem, Belgium;1u. University of Antwerp, Edegem, Belgium;1v. Department of Neurosurgery, University of California, San Francisco, CA;1w. Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, WI;1x. University of Cambridge, Addenbrooke''s Hospital, Cambridge, United Kingdom;1y. Monash University, Clayton, Australia;1z. Major League Soccer; Princeton, NJ;21. Kennedy Krieger Institute and Department of Physical Medicine & Rehabilitation, Johns Hopkins University School of Medicine, Baltimore, MD;22. Department of Neurology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands;23. Virginia Commonwealth University, Richmond, VA;24. Department of Psychology, Alberta Children''s Hospital Research Institute, and Hotchkiss Brain Institute, University of Calgary, Calgary, Canada;25. Department of Physical Medicine and Rehabilitation, Brigham and Women''s Hospital, Boston, MA;26. Concussion Care Centre of Virginia, Henrico, VA;27. Departments of Pediatrics and Emergency Medicine, University of Ottawa, Ottawa, Canada;28. Children''s Hospital of Eastern Ontario, Ottawa, Canada |
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| Abstract: | The desorption by electron impact of significant quantities of electronically excited neutral species, CO1, from CO adsorbed on Pt(111) has been discovered. Comparison of the yield of this species as a function of electron energy, coverage, and temperature, with the yield of O+ and C0+ has led to the conclusion that the CO1 species is mainly produced by direct excitation. Studies of the angular distribution of the three ESD-derived species have been made as a function of temperature, and high amplitude bending vibrational modes are observed. Isotope effects in the three desorption channels have been measured. |
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