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  An ultrahigh vacuum apparatus for H atom scattering from surfaces.

Bünermann, O., Jiang, H., Dorenkamp, Y., Auerbach, D. J., & Wodtke, A. M. (2018). An ultrahigh vacuum apparatus for H atom scattering from surfaces. Review of Scientific Instruments, 89(9): 094101. doi:10.1063/1.5047674.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-5FFF-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-45BF-9
Genre: Journal Article

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3005576.pdf (Publisher version), 3MB
 
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 Creators:
Bünermann, O.1, Author              
Jiang, H.1, Author              
Dorenkamp, Y.1, Author              
Auerbach, D. J.1, Author              
Wodtke, A. M.1, Author              
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1Department of Dynamics at Surfaces, MPI for Biophysical Chemistry, Max Planck Society, ou_578600              

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 Abstract: We present an apparatus to study inelastic H or D atom scattering from surfaces under ultra-high vacuum conditions. The apparatus provides high resolution information on scattering energy and angular distributions by combining a photolysis-based atom source with Rydberg atom tagging time-of-flight. Using hydrogen halides as precursors, H and D atom beams can be formed with energies from 500 meV up to 7 eV, with an energy spread of down to 2 meV and an intensity of up to 10(8) atoms per pulse. A six-axis manipulator holds the sample and allows variation of both polar and azimuthal incidence angles. Surface temperature can be varied from 45 K up to 1500 K. The apparatus' energy resolution (E/Delta F) can be as high as 1000 and its angular resolution can be adjusted between 0.3 degrees and 3 degrees.

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Language(s): eng - English
 Dates: 2018-09-212018-09
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1063/1.5047674
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Title: Review of Scientific Instruments
Source Genre: Journal
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Pages: 8 Volume / Issue: 89 (9) Sequence Number: 094101 Start / End Page: - Identifier: -