|   |  |  | Time-resolved femtosecond Two-Photon ... 
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 |   |  |  | Surface-TPD Spectrometer for Photoche... 
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        |   |  |  | Molecular Beam with Surface Scatterin... 
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 |   |  |  | Low-temperature Scanning Tunneling Mi... 
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        |   |  |  | STMLow-temperature Scanning Tunneling... 
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 |   |  |  | Photoemission Electron Microcope/Low ... 
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        |   |  |  | Low Energy Electron Microscope (LEEM... 
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