| Magnetic coupling between Co layers separated by Cu D Pescia, D Kerkmann, F Schumann, W Gudat Zeitschrift für Physik B Condensed Matter 78, 475-477, 1990 | 79 | 1990 |
| Magnetic Instability of Ultrathin fcc Films FO Schumann, RF Willis, KG Goodman, JG Tobin Physical review letters 79 (25), 5166, 1997 | 76 | 1997 |
| Correlation effects in two electron photoemission FO Schumann, C Winkler, J Kirschner Physical review letters 98 (25), 257604, 2007 | 66 | 2007 |
| Growth and magnetic properties of and ultrathin films on Cu(100) FO Schumann, SZ Wu, GJ Mankey, RF Willis Physical Review B 56 (5), 2668, 1997 | 58 | 1997 |
| Boosting laboratory photoelectron spectroscopy by megahertz high-order harmonics CT Chiang, M Huth, A Trützschler, M Kiel, FO Schumann, J Kirschner, ... New Journal of Physics 17 (1), 013035, 2015 | 53 | 2015 |
| Mapping out electron-electron interactions at surfaces FO Schumann, J Kirschner, J Berakdar Physical review letters 95 (11), 117601, 2005 | 51 | 2005 |
| Phase-locked MHz pulse selector for x-ray sources DF Förster, B Lindenau, M Leyendecker, F Janssen, C Winkler, ... Optics letters 40 (10), 2265-2268, 2015 | 50 | 2015 |
| Strong changes in the magnetic properties of ultrathin Co/Cu (001) films due to submonolayer quantities of a nonmagnetic overlayer ME Buckley, FO Schumann, JAC Bland Physical Review B 52 (9), 6596, 1995 | 47 | 1995 |
| Direct and core-resonant double photoemission from Cu (001) G Van Riessen, Z Wei, RS Dhaka, C Winkler, FO Schumann, J Kirschner Journal of Physics: Condensed Matter 22 (9), 092201, 2010 | 44 | 2010 |
| Paramagnetic-ferromagnetic phase transition during growth of ultrathin Co/Cu (001) films FO Schumann, ME Buckley, JAC Bland Physical Review B 50 (22), 16424, 1994 | 42 | 1994 |
| Mapping the electron correlation in two-electron photoemission FO Schumann, C Winkler, G Kerherve, J Kirschner Physical Review B—Condensed Matter and Materials Physics 73 (4), 041404, 2006 | 39 | 2006 |
| Element-specific magnetometry with photoelectron dichroism: FeCo and FeNi JG Tobin, FO Schumann Surface science 478 (3), 211-228, 2001 | 38 | 2001 |
| Surface state and resonance effects in electron-pair emission from Cu (111) FO Schumann, RS Dhaka, GA Van Riessen, Z Wei, J Kirschner Physical Review B—Condensed Matter and Materials Physics 84 (12), 125106, 2011 | 36 | 2011 |
| Electron pair emission detected by time-of-flight spectrometers: Recent progress M Huth, CT Chiang, A Trützschler, FO Schumann, J Kirschner, W Widdra Applied Physics Letters 104 (6), 2014 | 30 | 2014 |
| Correlated positron–electron emission from surfaces GA Van Riessen, FO Schumann, M Birke, C Winkler, J Kirschner Journal of Physics: Condensed Matter 20 (44), 442001, 2008 | 29 | 2008 |
| Band-Resolved Double Photoemission Spectroscopy on Correlated Valence Electron Pairs in Metals A Trützschler, M Huth, CT Chiang, R Kamrla, FO Schumann, J Kirschner, ... Physical review letters 118 (13), 136401, 2017 | 27 | 2017 |
| Spin-resolved mapping of spin contribution to exchange-correlation holes FO Schumann, C Winkler, J Kirschner, F Giebels, H Gollisch, R Feder Physical review letters 104 (8), 087602, 2010 | 27 | 2010 |
| Sensing the electron–electron correlation in solids via double photoemission FO Schumann, C Winkler, J Kirschner physica status solidi (b) 246 (7), 1483-1495, 2009 | 27 | 2009 |
| Spin-reorientation transition in alloy films R Thamankar, A Ostroukhova, FO Schumann Physical Review B 66 (13), 134414, 2002 | 27 | 2002 |
| Dynamics of two-electron photoemission from Cu (111) M Hattass, T Jahnke, S Schössler, A Czasch, M Schöffler, LPH Schmidt, ... Physical Review B—Condensed Matter and Materials Physics 77 (16), 165432, 2008 | 26 | 2008 |
