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APS » Journals » Phys. Rev. Lett. » Volume 61 » Issue 22
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Phys. Rev. Lett. 61, 2578–2581 (1988)

Electron-Stimulated-Desorption Ion Angular Distributions of Negative Ions

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Allen L. Johnson*, Stephen A. Joyce, and Theodore E. Madey†
National Institute of Standards and Technology (formerly National Bureau of Standards), Gaithersburg, Maryland 20899

Received 22 June 1988; published in the issue dated 28 November 1988

We report the first measurements of the electron-stimulated-desorption ion-angular-distributions of negative ions from surfaces. The angular distributions of F- ions for electron-stimulated desorption of PF3, NF3, and (CF3)2CO on Ru(0001) depend on the molecular geometry and the state of the adsorbed species. The structural information obtained from these negative-ion studies complements that from similar positive-ion studies.

© 1988 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.61.2578
DOI:
10.1103/PhysRevLett.61.2578
PACS:
61.14.Ki, 79.20.Kz, 82.65.My

*Present address: Surface Science Centre, University of Liverpool, Liverpool L69 3BX, United Kingdom.

†Present address: Serin Physics Laboratory, Rutgers, The State University, Piscataway, NJ 08854.

 
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