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A. Zychma,R. Wansing,V.Schott, U.Köhler, C. Wöll, M. Muhler, A. Birkner
„Elucidating elementary processes at Cu/Zno interfaces: A microscopical approach“
Phys.Status Solidi B, accepted for publication 2013
S. Noor, I. Barsukov, M.S. Özkan,L. Elbers, N. Melnichak, J. Lindner, M. Farle, U. Köhler
„Surface morpholotgy and atomic structere if thin layers of Fe3Si on GaAs(001) and their magnetic properties“
J. Appl. Phys. 113, 103908, 2013
„Thermal behavior of MOCVD-grown Cu-clusters on ZnO(10-10)“
Phys. Chem. Chem. Phys.,14, 1654-1659 (2012)
J.Sripirom, S. Noor, U. Köhler, A. Schulte
„Easily made and handled carbon nanocones for scanning tunneling microscopy and electroanalysis“
Carbon 49, 2402 (2011)
J.-J. Gallet,F. Bournel, F. Rochet, U Köhler, S. Kubsky, M.G. Silly, F. Sirotti, D. Pierucci
„Isolated Silicon Dangling Bonds on a Water-Saturated n+-Doped Si(001)-2x1 Surface: An XPS and STM Study“
J. Phys. Chem. C 115, 7686 (2011)
"Large scale morphology of ZnO(10-10)-surfaces)"
Surf. Sci. 603 (2009) L49–L51
C. Mathieu, X. Bai, J.J. Gallet, F. Bournel, S. Carniato, F. Rochet, E. Magnano, F. Bondino, R. Funke, U. Köhler,
S. Kubsky
"Molecular Staples on Si(001)-2 x 1: Dual-Head Primary Amines"
J. Phys. Chem. C 113, 11336 (2009)
I. Barsukov, C. Tomaz, R. Meckenstock, C. Hassel, F. M. Römer, J. Lindner, M. Farle, C. Godde, S. Noor, U. Köhler
"In situ Investigation of Magnetic Transitions in Epitaxial Fe/GaAs(110)"
submitted to Phys. Rev. B
D. Spoddig, U. Köhler, M. Haak, M. Kneppe, , T. Schmitte, A. Westphalen, K. Theis-Bröhl, R. Meckenstock, D. You, and J. Pelzl
"A comparison of Ferromagentic Resonance and Magneto Optic Kerr Effect and on thin Fe films on InAs(001)"
Superlattices and Microstructures 43, 180 (2008)
Kh. Zakeri, Th. Kebe, J. Lindner, M. Farle, C. Urban , U. Köhler
"Temperature-driven change of morphology and magnetic anisotropy of Fe monolayers on GaAs(001)"
Appl. Phys. A 90, 487 (2008)
C. Godde, S. Noor, C. Urban, and U. Köhler
"Structural changes and alloying of annealed iron layers on GaAs(001) and GaAs(110)"
Surf. Sci. 602, 3343 (2008)
M. Kroll, U. Köhler 
"Small Cu-clusters on ZnO(0001)-Zn: nucleation and annealing behavior"
Surf. Sci. 601, 2182 (2007)
Kh. Zakeri, Th. Kebe, J. Lindner, M. Farle, C. Urban , U. Köhler 
"Temperature-driven change of morphology and magnetic anisotropy of Fe monolayers on GaAs(001)"
Appl. Phys. A 2007 
C. Wolf, U. Köhler
"Growth and intermixing of Nb on Fe(110) and  Fe  on Nb(110)"
Thin Solid Films 500, 347-355 (2006)
Xiu-Li Yin, A. Birkner, K. Hänel, T. Löber, U. Köhler, Ch. Wöll
"Adsorption of atomic hydrogen on ZnO(100): STM study" 
Phys. Chem. Chem. Phys. 8, 1477 - 1481 (2006)
D. Spoddig, C. Urban, D.-H. You, U. Köhler, R. Meckenstock
"Strong uniaxial anisotropies of iron grown on UHV cleaved InAs(110) investigated by correlated scanning tunneling microscopy and ferromagnetic resonance" 
J. Appl. Phys. 99, 08J704 (2006)
S. Rangan, S. Kubsky, J.-J. Gallet, F. Bournel, K. Le Guen, G. Dufour and F. Rochet, R. Funke, M. Kneppe, G. Piaszenski, U. Köhler, F. Sirotti
"Dynamic and kinetic aspects of the adsorption of acrylonitrile on Si(001)-2 × 1"
Phys. Rev B 71, 125320(1-9) (2005)
Fabrice Bournel, Georges Dufour, Jean-Jacques Gallet, Stefan Kubsky, Karine Le Guen, Sylvie Rangan, François Rochet, Fausto SirottiR. Funke, M. Kneppe, G. Piaszenski, U. Köhler
"Surface reactions of 3-butenenitrile on the Si(001)-2 × 1 surface at room temperature"
J. Phys. Chem. B 109, No. 26, (2005)
U. Köhler, V. Dorna, C. Jensen, M. Kneppe, G. Piaszenski, K. Reshöft, C. Wolf
"In-situ analysis of thin film growth using STM" 
in Crystal Growth – from Fundamentals to technology, Ed. G. Müller, J.-J. Metois and P. Rudolf, Elsevier B.V., 391-412 (2004)
M. Kneppe,  M. Berse, U. Köhler
"Interface formation of iron on the In-terminated InAs(001)"
Appl. Phys. A79, 1935 (2004)
C. Wolf, U. Köhler
"Intermixing at the interface of the system Nb / Fe(110) studied with STM"
Surf. Sci. Lett. 573, L59 (2003)
02.1 H. Bethge, M. Henzler, U. Köhler, Deutsches Patent Nr. 199 06 960 (2002)
"Verfahren zur Erzeugung von metallenen Strukturen im Nanometer-Bereich auf leitenden Substrat-Oberflächen"
02.2 M. Kneppe, M. Berse, U. Köhler,, R. Meckenstock, D. Spoddig, S.F. Fischer
"Magnetic and structural investigation of the Fe/InAs(001) interface"

Proceedings of 7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science (NANO-7/ECOSS-21). - Malmo, Sweden. - 24-28 June 2002
C. Wolf, U. Köhler,
"Inital stages of growth of Nb on Fe(110) investigated by STM"
Proceedings of 7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science (NANO-7/ECOSS-21). - Malmo, Sweden. - 24-28 June 2002
K. Reshöft, U. Köhler
"The initial stages of platinum reaction with Si(111) (7x7)"
Proceedings of 7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science (NANO-7/ECOSS-21). - Malmo, Sweden. - 24-28 June 2002
Martin Kneppe, Evgueni Kot, Volker Dorna, and Ulrich Köhler
"A High-Temperature STM-Study of Iron Silicide Formation on High Index Silicon Surfaces"
MRS Proceedings 648, P10.2 (2001)
U. Köhler, C. Jensen, A.-C. Schindler, L. Brendel, D.E. Wolf
"Scanning tunneling microscopy and Monte Carlo studies of homoepitaxy on Fe (110)"
Philosophical Magazine B, Vol. 80, No. 2, 283-292 (2000)
F.-J. Meyer zu Heringdorf, H. Goldbach, H.-L. Günter, H. Horn-von Hoegen, V. Dorna, U. Köhler
"Hydrogen induced domain-wall structure on Si(113)"
Surf. Sci. 458 (2000) 147
G. Piaszenski, R. Göbel, C. Jensen, U. Köhler
"Structure and growth of holmiumon W(110)"
Surf. Sci., 454-456(2000)712-718
U. Köhler, C. Jensen, C. Wolf, A.C. Schindler, L. Brendel, D.E. Wolf
"Investigation of homoepitaxial growth on bcc surfaces with STM and kinetic Monte Carlo simulation"
Surf. Sci., 454-456(2000)676-680
M. Kneppe, V. Dorna, P. Kohstall, U. Köhler
"A kinetic scanning tunneling microscopy study of iron silicide growth on Si(113)"
Surf. Sci., 454-456(2000)802-806
K. Reshöft, C. Jensen, U. Köhler,
"Atomistics of the epitaxial growth of Cu on W(110)"
V. Dorna, Z. Wang, U. Köhler,
"Gas source homoepitaxy on Si(113) - the interrelation of H-induced reconstructions and growth morthology"
Surf. Sci. Lett. 401, L375 (1998)
97.1 M.I. Larsson, H. Bethge, U. Köhler, S. Menke, and M. Henzler,
"Random walk mechanism for step retraction on hydrogen etched Si(111)"
Phys.Rev. B56, 1021 (1997)
97.2 W. Weiß, M. Kutschera, U. Starke, M Mozzafari, K. Reshöft, U. Köhler and K. Heinz,
"Development of structural phases of iron silicide films on Si(111) studied by LEED, AES and STM"
Surf. Sci. 377-379, 861 (1997)
97.3 U. Köhler, L. Andersohn, H. Bethge,
"The influence of hydrogen on CVD-growth on Si(111) surfaces"
Phys. stat. sol.(a), 159, 39 (1997)
97.4 M. Kalning, V. Dorna, W. Press, S. Kek, H. Boysen,
"Profile analysis of the supersatellite reflections in Labradorite - a synchrotron X-ray radiation study"
Zeitschrift für Kristallographie vol.212, no.8, 545-9 (1997)
97.5 M. Kalning, S. Kek, H.G. Krane, V. Dorna, W. Press, W.Steurer,
"Phason-strain analysis of the twinned approximant to decagonal Al70Co15Ni15 --- Evidence for a onedimensional quasicrystal"
Phys.Rev B (Condensed Matter) vol.55, no.1, 187-92 (1997)
96.1 D. Heuer, T. Müller, H. Pfnür, and U. Köhler,
"Domain walls and adsorbate-step interactions: an STM study of sulphur layers on Ru(0001)"
Surf.Sci. 347, 80 (1996)
96.2 L.Andersohn, Th. Berke, U. Köhler, B. Voigtländer,
"Nucleation behaviour in molecular beam and chemical vapor deposition of silicon on Si(111)-(7x7)"
J. Vac. Sci. Technol. A14, 312 (1996)
96.2 C. Jensen, K. Reshöft, and U. Köhler,
"Direct observation of strain relaxation in iron layers on W(110) by time resolved STM"
Appl. Phys. A62, 217 (1996)
95.1 H. Bethge, D. Heuer, Ch. Jensen, U. Köhler, K. Reshöft,
"Misfit related effects in the epitaxial growth of iron on W(110)"
Surf. Sci. 331-333, 878 (1995)
95.2 H.J. Elmers, J. Hausschild, H. Fritsche, G. Liu, U. Gradmann and U. Köhler,
"Magnetic frustration in ultrathin Fe-films"
Phys. Rev. Lett 75, 2031 (1995).
95.3 U. Köhler,
"Kristallwachstum unter dem Rastertunnelmikroskop"
Physikalische Blätter Sept. 1995, p. 843
95.4 H.-J. Elmers, J. Hausschild, G. H. Liu, H. Fritsche, U. Köhler and U. Gradmann,
"Blocking of magnetic long range order between the monolayer and the double layer of Fe(110) and W(110)"
MRS Proceedings, 384 (1995)
M. Henzler, M. Horn-von Hoegen und U. Köhler,
"Grundschritte der Epitaxie: Sichtbarmachung mit Elektronenbeugung und Rastertunnelmikroskopie"
Nova Acta Leopoldina NF73, Nr. 295, 31 (1995)
94.1 J. Pietsch, U.Köhler, and M.Henzler,
"Chemistry of silicon surfaces after wet chemical preparation: A thermodesorption spectroscopy study"
J. Vac. Sci. Technol B12, 78 (1994)
94.2 M. Horn-von Hoegen, A. Al Falou, B.H. Müller, U. Köhler, L. Andersohn, B. Dahlheimer and M. Henzler,
"Surfactant stabilized strained Ge cones on Si(001)"
Phys.Rev.B49, 2637 (1994)
94.3 H.J. Elmers, J. Hausschild, H. Höche, and U. Gradmann, H. Bethge, D. Heuer and U. Köhler,
"Submonolayer Magnetism of Fe(110): Finite width scaling of stripes and percolation between islands"
Phys. Rev. Lett. 73, 898 (1994)
94.4 U. Köhler,
"Time resolved observation of growth processes on Si-surfaces with STM"
Microsc. Microanal. Microstruct. 5, 247 (1994)
94.5 G.J. Pietsch, U. Köhler, and M. Henzler,
"Chemical status and surface topography of Si(111) after HF/NH4F/H2O wet chemical treatments: investigations with STM, AES, and TDS"
Ed.: Higashi, G.S., Irene, E.A., Ohmi, T., Mat. Res. Soc. Symp. Proc. Vol. 315, p.497 (1993)
93.1 L. Andersohn and U. Köhler,
"In situ-observation of water-adsorption on Si(001) with STM"
Surf. Sci. 284, 77 (1993)
93.2 G.J. Pietsch, U. Köhler, and M. Henzler,
"Anisitropic etching versus interaction of atomic steps: scanning tunneling microscopy observations on HF/NH4F-treated Si(111)"
J. Appl. Phys. 73, 4797 (1993)
93.3 U. Köhler, L. Andersohn and B. Dahlheimer,
"Time resolved observation of CVD-growth of silicon on Si(111) with STM"
Appl. Phys. A57, 491 (1993)
93.4 U. Köhler,
"Grundlagen der Nanostrukturierung in Nanostrukturen und dünnen Schichten"
in Hrsg.: A. Schlachetzky und H. Kunzmann, PTB Braunschweig, p.97 (1993)
92.1 B. Müller, O. Jusko, G.J. Pietsch, U. Köhler,
"Strain induced DAS-structures of germanium on Si(111)-3x3R30:B observed by STM"
J. Vac. Sci. Technol. B10, 16 (1992)
92.2 O. Jusko, U. Köhler, G.J. Pietsch , B. Müller, M. Henzler,
"Trench formation in surfactant mediated epitaxial film growth of Ge on Si(100)"
App. Phys. A54, 265 (1992)
92.3 U. Köhler, O. Jusko, B. Müller, M. Horn-von Hoegen, M. Pook,
"Layer-by-layer growth of germanium on Si(100): Strain induced morphology and the influence of surfactants"
Ultramicroscopy 42-44, 832 (1992)
92.4 F. Palmino, Ph. Dumas, U. Köhler, Ph. Mathiez, C. Mouttet, and F. Salvan,
"Scanning Tunneling Microscopy (STM) investigations on Pb/Si(111)"
Ultramicroscopy 42-44, (1992)
92.5 G. J. Pietsch, U. Köhler, O. Jusko, M. Henzler, P.O. Hahn,
"Structure of the stepped Si/SiO2 interface after thermal oxidation: STM and SPA-LEED investigations"
Appl. Phys. Lett. 60, 1321 (1992)
92.6 M. Henzler, U. Köhler, O. Jusko,
"Study of epitaxial growth by combination of STM and LEED"
in Scanning Microscopy (Ed. R. Kassing), Basic Research Series, Springer (1992), p. 85
92.7 M. Henzler, M. Horn-von Hoegen, U. Köhler,
"Growth of monoatomic layers: investigations with electron diffraction and scanning tunneling microscopy"
Festkörperprobleme 32, 333 (1992)
92.8 D. Heuer, T. Müller, H. Pfnür, and U. Köhler,
"Determination of the adsorption site of sulfur on Ru(0001) by STM"
Surf.Sci.Lett. 297, L61 (1993)
92.9 G.J. Pietsch, U. Köhler, and M. Henzler,
"Direct observation of silicon surface etching by water with STM"
Chem. Phys. Lett. 197, 346 (1992)
91.1 U. Köhler, O. Jusko, G. Pietsch, B. Müller, M. Henzler,
"Strained-layer growth and islanding of germanium on Si(111)-(7x7) studied with STM"
Surf. Sci. 248, 321 (1991)
90.1 R.J. Hamers,U. K. Köhler, J.E. Demuth,
"Epitaxial growth of silicon on the Si(001) by scanning tunneling microscopy"
J. Vac. Sci. Technol. A8, 195 (1990)
90.2 J.E. Demuth, U. Köhler, R.J. Hamers,
"Surface diffractometry and lattice imaging with the STM"
J. Vac. Sci. Technol. A8, 214 (1990)
90.3 O. Jusko, U. Köhler, M. Henzler,
"Scanning tunneling microscopy study of Ge molecular beam epitaxy on Si(111)-(7x7)"
Nato ASI Series B, Physics Vol. 239, 291 (1990)
89.1 H. Froitzheim, U. Köhler,
"High-resolution electron-energy-loss-spectroscopy: Relationship between loss intensity and coverage"
Phys. Rev B40, 8213 (1989)
89.2 J.E. Demuth, U. Köhler, R.J. Hamers, P. Kaplan,
"Phase separation on an atomic scale: the formation of a novel quasiperiodic 2D structure"
Phys. Rev. Lett. 62, 641 (1989)
89.3 U. Köhler, J.E. Demuth, R.J. Hamers,
"STM-study of low temperature epitaxial growth of silicon on Si(111)-(7x7)"
J. Vac. Sci. Technol. A7, 2860 (1989)
89.4 R.J. Hamers and U. Köhler,
"Determination of the local electronic structure of atomic-sized defects on Si(001) by tunneling spectroscopy"
J. Vac. Sci. Technol. A7, 2854 (1989)
89.5 R.J. Hamers, U. Köhler, J.E. Demuth,
"Nucleation and growth of epitaxial silicon on Si(001) and Si(111) surfaces by scanning tunneling microscopy"
Ultramicroscopy 31, 10 (1989)
89.6 J.Y. Tsao, E. Chason, U. Köhler, R. Hamers,
"Dimer strings, anisotropic growth, and persistent layer-by-layer epitaxy"
Phys. Rev. B40, 11951 (1989)
88.1 U. Köhler, J.E. Demuth, R.J. Hamers,
"Surface reconstruction and the nucleation of palladium silicide on Si(111)"
Phys. Rev: Lett. 60, 2499 (1988)
88.2 M. Copel, R.M. Tromp, U. Köhler,
"Atomic structure of the arsenic-saturated Si(111)-surface"
Phys. Rev. B37, 10756 (1988)
88.3 J.E. Demuth, U. Köhler, R.J. Hamers,
"The STM learning curve and where it may take us"
J. Microscopy 152, 299 (1988)
88.4 H. Niehus, U. Köhler, M. Copel, J.E. Demuth,
"A real space investigation of the dimer defect structure of the Si(001)-(2x8)"
J. Microscopy 152, 735 (1988)
87.1 H. Froitzheim, U. Köhler,
"Kinetics of the adsorption of CO on Ni(111)"
Surf. Sci. 188, 70 (1987)
86.1 H. Froitzheim, U. Köhler, H. Lammering,
"Direct measurement of kinetic data by time-resolved high-resolution electron-energy-loss-spectroscopy"
Phys.Rev. B34, 2125 (1986)
86.2 H. Froitzheim, U. Köhler, H. Lammering,
"Dehydrogenation of C2H4 adsorbed on Si(111)-(7x7) surfaces"
Journ. Phys. C19, 2767 (1986)
85.1 H. Froitzheim, U. Köhler, H. Lammering,
"Adsorption states and adsorption kinetics of atomic hydrogen on silicon crystal surfaces"
Surf.Sci.149, 537 (1985)
84.1 H. Froitzheim, U. Köhler, H. Lammering,
"Electronic structure of the 7x7 Si(111): Differences due to preparation"
Phys.Rev. B30, 5771 (1984)