Prof. Dr. Christian Kumpf

1988-1994 Study of Physics, University of Erlangen

1994-1998 Ph.D. studies at University of Erlangen and Rostock,
Dr. rer. nat. in Physics at University of Rostock (1998)

1999-2001 Postdoc at the Risø National Laboratory, Roskilde, Denmark (with Klaus Bechgaard and Robert Feidenhans’l)

2001-2006 “Wissenschaftlicher Assistent“ at University of Würzburg in the group of Eberhard Umbach,
“Habilitation” at University of Würzburg (2006)

2006-2010 “Akademischer Oberrat” at University of Würzburg (granted to leave in 2008)

2008-2012 Group Leader at the Institute for Bio- and Nanosystems (IBN-3) of Forschungszentrum Jülich

since 2012 Professor for Experimental Physics at the Peter Grünberg Institut (PGI-3) of Forschungszentrum Jülich and the Institute for Experimental Physik IV-A of RWTH Aachen University

1. Y.-R. Lin, M. Franke, S. Parhizkar, M. Raths, V.W.-z. Yu, T.-L. Lee, S. Soubatch, V. Blum, F.S. Tautz, C. Kumpf, F.C. Bocquet,
   Boron nitride on SiC(0001),
   Phys. Rev. Materials 6, 064002 (2022), https://doi.org/10.1103/PhysRevMaterials.6.064002
2. C. Herrmann, M. Raths, C. Kumpf, K.L. Kavanagh,
   Rotational epitaxy h-BN on Cu (110),
   Surf. Sci. 721, 122080 (2022), https://doi.org/10.1016/j.susc.2022.122080
3. M. Raths, C. Schott, J. Knippertz, M. Franke, Y.-R. Lin, A. Haags, M. Aeschlimann, C. Kumpf, B. Stadtmüller,
   Growth, domain structure and atomic adsorption sites of hBN on the Ni(111) surface,
   Phys. Rev. Materials 5, 094001 (2021), https://doi.org/10.1103/PhysRevMaterials.5.094001
4. Y.-R. Lin, M. Bagchi, S. Soubatch, T.-L. Lee, J. Brede, F.C. Bocquet, C. Kumpf, Y. Ando, F.S. Tautz,
   Vertical position of Sr dopants in the Sr_xBi₂Se₃ superconductor,
   Phys. Rev. B 104, 054506 (2021), https://doi.org/10.1103/PhysRevB.104.054506
5. R. Wallauer, M. Raths, K. Stallberg, L. Münster, D. Brandstetter, X. Yang, J. Güdde, P. Puschnig, S. Soubatch, C. Kumpf, F.C. Bocquet, F.S. Tautz, U. Höfer,
   Tracing orbital images on ultrafast time scales,
   Science 371, 1056 (2021), https://doi.org/10.1126/science.abf3286
6. F.C. Bocquet, Y.-R. Lin, M. Franke, N. Samiseresht, S. Parhizkar, S. Soubatch, T.-L. Lee, C. Kumpf, F.S. Tautz,
   Surfactant-mediated epitaxial growth of single-layer graphene in an unconventional orientation on SiC,
   Phys. Rev. Lett. 125, 106102 (2020), https://doi.org/10.1103/physrevlett.125.106102
7. J. Knippertz, L.L. Kelly, M. Franke, C. Kumpf, M. Cinchetti, M. Aeschlimann, B. Stadtmüller,
   Vertical bonding distances and interfacial band structure of PTCDA on a Sn-Ag surface alloy,
   Phys. Rev. B 102, 075447 (2020), https://doi.org/10.1103/PhysRevB.102.075447
8. A. Haags, L.A. Rochford, J. Felter, P.J. Blowey, D.A. Duncan, D.P. Woodruff, C. Kumpf,
   Growth and evolution of tetracyanoquinodimethane and potassium coadsorption phases on Ag(111),
   New J. Phys. 22, 063028 (2020), https://doi.org/10.1088/1367-2630/ab825f
9. B.P. Klein, J.M. Morbec, M. Franke, K.K. Greulich, M. Sachs, S. Parhizkar, F.C. Bocquet, M. Schmid, S.J. Hall, R.J. Maurer, B. Meyer, R. Tonner, C. Kumpf, P. Kratzer, J.M. Gottfried,
   Molecule-metal bond of alternant versus nonalternant aromatic systems on coinage metal surfaces: Naphthalene versus azulene on Ag(111) and Cu(111),
   J. Phys. Chem. C 123(49), 29219 (2019), https://doi.org/10.1021/acs.jpcc.9b08824.
10. P.J. Blowey, A. Haags, L.A. Rochford, J. Felter, D.A. Warr, D.A. Duncan, T.-L. Lee, G. Costantini, C. Kumpf, and D.P. Woodruff,
    Characterization of growth and structure of TCNQ phases on Ag(111),
    Phys. Rev. Materials 3, 116001 (2019), https://doi.org/10.1103/PhysRevMaterials.3.116001
11. J. Felter, M. Raths, M. Franke, and C. Kumpf,
    In-situ study of two-dimensional dendritic growth of hexagonal boron nitride,
    2D Materials 6(4), 045005 (2019), https://doi.org/10.1088/2053-1583/ab2926
12. J. Felter, J. Wolters, F.C. Bocquet, F.S. Tautz, and C. Kumpf,
    Momentum microscopy on the micrometer scale: Photoemission micro-tomography applied to single molecular domains,
    J. Phys.: Condens. Matter 31, 114003 (2019), https://doi.org/10.1088/1361-648X/aafc45
13. B.P. Klein, N.J. van der Heijden, S.R. Kachel, M. Franke, C.K. Krug, K.K. Greulich, L. Ruppenthal, P. Müller, P. Rosenow, S. Parhizkar, F.C. Bocquet, M. Schmid, W. Hieringer, R.J. Maurer, R. Tonner, C. Kumpf, I. Swart, and J.M. Gottfried,
    Molecular topology and surface chemical bond: Alternant versus nonalternant aromatic systems as functional structural elements,
    Phys. Rev. X 9, 011030 (2019), https://doi.org/10.1103/PhysRevX.9.011030
14. F.C. Bocquet, G. Mercurio, M. Franke, G. van Straaten, S. Weiß, S. Soubatch, C. Kumpf, and F.S. Tautz,
    Torricelli: A software to determine atomic spatial distributions from normal incidence x-ray standing wave data,
    Comput. Phys. Commun. 235, 502 (2019), https://doi.org/10.1016/j.cpc.2018.06.009
15. J. Felter, M. Franke, J. Wolters, C. Henneke, and C. Kumpf,
    Two-dimensional growth of dendritic islands of NTCDA on Cu(001) studied in real time,
    Nanoscale 11, 1798-1812 (2019), https://doi.org/10.1039/C8NR08943D
16. J. Seidel, L.L. Kelly, M. Franke, G. van Straaten, C. Kumpf, M. Cinchetti, M. Aeschlimann, B. Stadtmüller,
    Adsorption-induced pyramidal distortion of the trimetallic nitride core inside the endohedral fullerene Sc3N@C-80 on the Ag(111) surface,
    Phys. Rev. B 98, 085434 (2018), https://doi.org/10.1103/PhysRevB.98.085434
17. G. van Straaten, M. Franke, S. Soubatch, B. Stadtmüller, D.A. Duncan, T.-L. Lee, F.S. Tautz, C. Kumpf,
    Role of the central metal atom in substrate-mediated molecular interactions in phthalocyanine-based heteromolecular monolayers,
    J. Phys. Chem. C 122, 15 (2018), https://doi.org/10.1021/acs.jpcc.8b02689
18. G. van Straaten, M. Franke, F.C. Bocquet, F.S. Tautz, C. Kumpf,
    Non-dipolar effects in photoelectron-based normal incidence x-ray standing wave experiments
    J. Electr. Spectrosc. Rel. Phenom. 222, 106-116 (2018), https://doi.org/10.1016/j.elspec.2017.07.007
19. A. Baby, M. Gruenewald, C. Zwick, F. Otto, R. Forker, G. van Straaten, M. Franke, B. Stadtmüller, C. Kumpf, G.-P. Brivio, G. Fratesi, T. Fritz, E. Zojer,
    Fully atomistic understanding of the electronic and optical properties of a prototypical doped charge-transfer interface,
    ACS Nano 11, 10945-10508 (2017), https://doi.org/10.1021/acsnano.7b05828
20. C. Henneke, J. Felter, D. Schwarz, F.S. Tautz, C. Kumpf,
    Controlling the growth of multiple ordered heteromolecular phases by utilizing intermolecular repulsion,
    Nature Materials 16, 628 (2017), https://doi.org/10.1038/nmat4858
21. B. Stadtmüller, N. Haag, J. Seidel, G. van Straaten, M. Franke, C. Kumpf, M. Cinchetti, M. Aeschlimann,
    Adsorption heights and bonding strength of organic molecules on a Pb-Ag surface alloy,
    Phys. Rev. B 94, 235436 (2016), https://doi.org/10.1103/PhysRevB.94.235436
22. K. Schönauer, S. Weiss, V. Feyer, D. Lüftner, B. Stadtmüller, D. Schwarz, T. Sueyoshi, C. Kumpf, P. Puschnig, M.G. Ramsey, F.S. Tautz, S. Soubatch,
    Charge transfer and symmetry reduction at the CuPc/Ag(110) interface studied by photoemission tomography,
    Phys. Rev. B 94, 205144 (2016), https://doi.org/10.1103/PhysRevB.94.205144
23. I. Kröger, B. Stadtmüller, C. Kumpf,
    Submonolayer and multilayer growth of titaniumoxide-phthalocyanine on Ag(111),
    New J. Phys. 18, 113022 (2016), https://doi.org/10.1088/1367-2630/18/11/113022
24. B. Stadtmüller, J. Seidel, N. Haag, L. Grad, C. Tusche, G. van Straaten, M. Franke, J. Kirschner, C. Kumpf, M. Cinchetti, M. Aeschlimann,
    Modifying the surface of a Rashba-split Pb-Ag alloy using tailored metal-organic bonds,
    Phys. Rev. Lett. 117, 096805 (2016), https://doi.org/10.1103/PhysRevLett.117.096805
25. D. Schwarz, C. Henneke, C. Kumpf,
    Towards functionalization of graphene: in situ study of the nucleation of copper-phtalocyanine on graphen,
    New J. Phys. 18, 023034 (2016), https://doi.org/10.1088/1367-2630/18/2/023034
26. B. Stadtmüller, S. Schröder, C. Kumpf,
    Heteromolecular metal-organic interfaces: Electronic and structural fingerprints of chemical bonding,
    J. Electron Spectrosc. Relat. Phenom. 204 A, 80 (2015), https://doi.org/10.1016/j.elspec.2015.03.003
27. B. Stadtmüller, M. Willenbockel, S. Schröder, C. Kleimann, E.M. Reinisch, T. Ules, S. Soubatch, P. Puschnig, G. Koller, M.G. Ramsey, F.S. Tautz, C. Kumpf,
    Modification of the PTCDA-Ag(111) bond by formation of a hetero-organic bilayer film,
    Phys. Rev. B 91, 155433 (2015), https://doi.org/10.1103/PhysRevB.91.155433
28. J. Sforzini, L. Nemec, T. Denig, B. Stadtmüller, T.-L. Lee, C. Kumpf, S. Soubatch, U. Starke, P. Rinke, V. Blum, F.C. Bocquet, F.S. Tautz
    Approaching ideal graphene: The structure of hydrogen-intercalated graphene on 6H-SiC(0001),
    Phys. Rev. Lett. 114, 106804 (2015), https://doi.org/10.1103/PhysRevLett.114.106804
29. B. Stadtmüller, C. Henneke, S. Soubatch, F.S. Tautz, C. Kumpf,
    Tailoring metal-organic hybrid interfaces: Heteromolecular structures with varying stoichiometry on Ag(111),
    New J. Phys. 17, 023046 (2015), https://doi.org/10.1088/1367-2630/17/2/023046
30. M. Willenbockel, D. Lüftner, B. Stadtmüller, G. Koller, C. Kumpf, S. Soubatch, P. Puschnig, M.G. Ramsey, F.S. Tautz,
    The interplay between interface structure, energy level alignment and chemical bonding strength at organic-metal interfaces,
    Phys. Chem. Chem. Phys. 17(3), 1530-1548 (2015), https://doi.org/10.1039/c4cp04595e
31. B. Stadtmüller, M. Gruenewald, J. Peuker, R. Forker, T. Fritz, C. Kumpf,
    Molecular exchange in a heteromolecular PTCDA/CuPc bilayer film on Ag(111),
    J. Phys. Chem. C 118, 28592−28602 (2014), https://doi.org/10.1021/jp5078104
32. T. Duden, A. Thust, C. Kumpf, F.S. Tautz,
    Focal-series reconstruction in low energy electron microscopy,
    Microsc. Microanal. (Microscopy and Microanalysis) 20(3), 968-973 (2014),
    https://doi.org/10.1017/S1431927614000403
33. B. Stadtmüller, S. Schröder, F.C. Bocquet, C. Henneke, C. Kleimann, S. Soubatch, M. Willenbockel, B. Detlefs, J. Zegenhagen, T.-L. Lee, F.S. Tautz, C. Kumpf,
    Adsorption height alignment at heteromolecular hybrid interfaces,
    Phys. Rev. B 89, 161407(R) (Rapid Commun., 2014), https://doi.org/10.1103/PhysRevB.89.161407
34. B. Stadtmüller, D. Lüftner, M. Willenbockel, E.M. Reinisch, T. Sueyoshi, G. Koller, S. Soubatch, M.G. Ramsey, P. Puschnig, F.S. Tautz, C. Kumpf,
    Unexpected interplay of bonding height and energy level alignment at heteromolecular hybrid interfaces,
    Nature Communications 5, 3685 (2014), https://doi.org/10.1038/ncomms4685
35. C. Kleimann, B. Stadtmüller, S. Schröder, C. Kumpf,
    Electrostatic interaction and commensurate registry at the heteromolecular F₁₆CuPc - CuPc interface,
    J. Phys. Chem. C 118, 1652 (2014), https://doi.org/10.1021/jp411289j
36. M. Willenbockel, B. Stadtmüller, K. Schönauer, F.C. Bocquet, D. Lüftner, E.M. Reinisch, T. Ules, G. Koller, C. Kumpf, S. Soubatch, P. Puschnig, M.G. Ramsey, F.S. Tautz,
    Energy offsets within a molecular monolayer: The influence of the molecular environment,
    New J. Phys. 15, 033017 (2013), https://doi.org/10.1088/1367-2630/15/3/033017
37. I. Kröger, P. Bayersdorfer, B. Stadtmüller, C. Kleimann, G. Mercurio, F. Reinert, C. Kumpf,
    Submonolayer growth of H₂-phthalocyanine Ag(111),
    Phys. Rev. B 86, 195412 (2012), https://doi.org/10.1103/PhysRevB.86.195412
38. B. Stadtmüller, M. Willenbockel, E.M. Reinisch, T. Ules, F.C. Bocquet, S. Soubatch, P. Puschnig, G. Koller, M.G. Ramsey, F.S. Tautz, C. Kumpf,
    Orbital tomography for highly symmetric adsorbate systems,
    EPL (EuroPhys. Lett.) 100, 26008 (2012), https://doi.org/10.1209/0295-5075/100/26008
    highlighted in EPN (Europhysics News) 44 (2), 15 (2013).
39. B. Stadtmüller, T. Sueyoshi, G. Kichin, I. Kröger, S. Soubatch, R. Temirov, F.S. Tautz, C. Kumpf,
    Commensurate registry and chemisorptions at a hetero-organic interface,
    Phys. Rev. Lett. 108, 106103 (2012), https://doi.org/10.1103/PhysRevLett.108.106103
40. I. Kröger, B. Stadtmüller, C. Wagner, C. Weiss, R. Temirov, F.S. Tautz, C. Kumpf,
    Modelling intermolecular interactions of physisorbed organic molecules using pair potential calculations,
    J. Chem. Phys. 135, 234703 (2011), https://doi.org/10.1063/1.3665923
41. S. Soubatch, I. Kröger, C. Kumpf, F.S. Tautz,
    Structure and growth of tetracene on Ag(111) ,
    Phys. Rev. B 84, 195440 (2011), https://doi.org/10.1103/PhysRevB.84.195440
42. I. Kröger, B. Stadtmüller, C. Kleimann, P. Rajput, C. Kumpf,
    Normal incidence x-ray standing wave study of copper-phthalocyanine submonolayers on Cu(111) and Au(111),
    Phys. Rev. B 83, 195414 (2011), https://doi.org/10.1103/PhysRevB.83.195414
43. B. Stadtmüller, I. Kröger, F. Reinert, C. Kumpf,
    Submonolayer growth of CuPc on noble metal surfaces,
    Phys. Rev. B 83, 085416 (2011), https://doi.org/10.1103/PhysRevB.83.085416
44. F. Niederdraenk, K. Seufert, A. Stahl, R.S. Bhalerao-Panajkar, S. Marathe, S.K. Kulkarni, R.B. Neder, C. Kumpf,
    Ensemble modeling of very small ZnO nanoparticles,
    Phys. Chem. Chem. Phys. 13 (2), 498 – 505 (2011), https://doi.org/10.1039/C0CP00758G
45. C. Deiter, M. Bierkandt, A. Klust, C. Kumpf, Y. Su, O. Bunk, R. Feidenhans’l, J. Wollschläger,
    Structural transitions and relaxation processes during the epitaxial growth of ultrathin CaF₂ films on Si(111),
    Phys. Rev. B 82, 085449 (2010), https://doi.org/10.1103/PhysRevB.82.085449
46. I. Kröger, B. Stadtmüller, C. Stadler, J. Ziroff, M. Kochler, A. Stahl, F. Pollinger, T.-L. Lee, J. Zegenhagen, F. Reinert, C. Kumpf,
    Submonolayer growth of copper-phthalocyanine on Ag(111),
    New J. Phys. 12, 083038 (2010), https://doi.org/10.1088/1367-2630/12/8/083038
47. C. Stadler, S. Hansen, I. Kröger, E. Umbach, C. Kumpf,
    Tuning intermolecular interaction in long-range ordered submonolayer organic films,
    Nature Physics 5, 153 (2009), http://doi.org/10.1038/NPHYS1176
    ausgewählt für die „ESRF-Highlights 2008”.
48. J. Wenisch, C. Gould, L. Ebel, J. Storz, K. Pappert, M.J. Schmidt, C. Kumpf, G. Schmidt, K. Brunner, L.W. Molenkamp,
    Control of magnetic anisotropy in (Ga,Mn)As by lithography-induced strain relaxation,
    Phys. Rev. Lett. 99, 077201 (2007), https://doi.org/10.1103/PhysRevLett.99.077201
    ausgewählt als „HASYLAB Research Highlight 2007”.
49. C. Stadler, S. Hansen, A. Schöll, T.-L. Lee, J. Zegenhagen, C. Kumpf, E. Umbach,
    Molecular distortion of NTCDA upon adsorption on Ag(111): A normal incidence x-ray standing wave study,
    New J. Phys. 9, 50 (2007), https://doi.org/10.1088/1367-2630/9/3/050
50. C. Barglik-Chory, R. Neder, V. Korsunskiy, F. Niederdraenk, C. Kumpf, E. Umbach, M. Schumm, M. Lentze, J. Geurts, G. Astakhov, W. Ossau, G. Müller,
    Influence of liquid-phase synthesis parameters on particle sizes and structural properties of nanocrystalline ZnO powders,
    phys. stat. sol. (c) 4(9), 3260-3269 (2007), https://doi.org/10.1002/pssc.200775424
51. F. Niederdraenk, K. Seufert, P. Luczak, S.K. Kulkarni, C. Chory, R.B. Neder, C. Kumpf,
    Structure of small II-VI semiconductor nanoparticles: A new approach based on powder diffraction,
    phys. stat. sol. (c) 4(9), 3234-3243 (2007), https://doi.org/10.1002/pssc.200775423
52. A. Fleszar, W. Hanke, W. Weigand, C. Kumpf, C. Heske, E. Umbach, L. Plucinski, R.L. Johnson,
    Angle-resolved photoemission on ZnSe(001): Determination of conduction band quasiparticle shifts,
    phys. stat. sol. (c) 4(9), 3204-3209 (2007), https://doi.org/10.1002/pssc.200775422
53. C. Kumpf, W. Weigand, A. Müller, J. Wagner, V. Wagner, P. Bach, G. Schmidt,
    L.W. Molenkamp, J. Geurts, E. Umbach,
    Surface reconstructions of II-VI compound semiconductor surfaces,
    phys. stat. sol. (c) 4(9), 3183-3190 (2007), https://doi.org/10.1002/pssc.200775425
54. C. Kumpf, A. Stahl, I. Gierz, C. Schumacher, S. Mahapatra, F. Lochner, K. Brunner, G. Schmidt, L.W. Molenkamp, E. Umbach,
    Structure and relaxation effects in thin semiconducting films and quantum dots,
    phys. stat. sol. (c) 4(9), 3150-3160 (2007), https://doi.org/10.1002/pssc.200775421
55. C. Kumpf,
    Structure determination of very small (1-5 nm) nano-particles,
    Appl. Phys. A 85(4), 337-343 (2006), https://doi.org/10.1007/s00339-006-3693-y
56. C. Stadler, S. Hansen, F. Pollinger, C. Kumpf, E. Umbach, T.-L. Lee, J. Zegenhagen,
    Structural investigation of the adsorption of SnPc on Ag(111) using normal incidence x-ray standing waves,
    Phys. Rev. B 74, 035404 (2006), https://doi.org/10.1103/PhysRevB.74.035404
57. C. Kumpf, R.B. Neder, F. Niederdraenk, P. Luczak, A. Stahl, M. Scheuermann, S. Joshi, S.K. Kulkarni, C. Barglik-Chory, C. Heske, E. Umbach,
    Structure determination of CdS and ZnS nanoparticles: Direct modelling of synchrotron radiation diffraction data,
    J. Chem. Phys. 123, 224707 (2005), https://doi.org/10.1063/1.2129369
    selected for the Virtual Journal of Nanoscale Science & Technology 12(26), (2005).
58. L. Plucinski, W. Weigand, C. Kumpf, C. Heske, R. Kosuch, T. Schallenberg,
    L.W. Molenkamp, E. Umbach, R.L. Johnson,
    Two-fold symmetry in the surface electronic structure of ZnSe(001)-c(2x2): Theory and experiment,
    Surf. Sci. 585, 95-100 (2005), https://doi.org/10.1016/j.susc.2005.04.017
59. A. Koveshnikov, G. Woltersdorf, J.Q. Liu, B. Kardasz, O. Mosendz, B. Heinrich, K.L. Kavanagh, P. Bach, A.S. Bader, C. Schumacher, C. Rüster, C. Gould, G. Schmidt, L.W. Molenkamp, C. Kumpf,
    Structural and magnetic properties of NiMnSb/InGaAs/InP(001),
    J. Appl. Phys. 97, 073906 (2005), https://doi.org/10.1063/1.1873036
60. J. Stanzel, W. Weigand, L. Kilian, H.L. Meyerheim, C. Kumpf, E. Umbach,
    Chemisorption of NTCDA on Ag(111): A NIXSW study including non-dipolar and electron-stimulated effects,
    Surf. Sci. 571 (1-3), L311-L318 (2004), https://doi.org/10.1016/j.susc.2004.07.048
61. L. Plucinski, R.L. Johnson, A. Fleszar, W. Hanke, W. Weigand, C. Kumpf, C. Heske, E. Umbach, T. Schallenberg, L.W. Molenkamp,
    Valence band electronic structure of ZnSe(001): Theory and experiment,
    Phys. Rev. B 70, 125308 (2004), https://doi.org/10.1103/PhysRevB.70.125308
62. W. Weigand, F. Reuss, L. Hansen, A. Waag, L.W. Molenkamp, C. Kumpf, M. Sokolowski, E. Umbach,
    Structure of Te/Ge(001) surface studied by SPA-LEED,
    Surf. Sci. 562 (1-3), 33-42 (2004), https://doi.org/10.1016/j.susc.2004.05.002
63. W. Weigand, A. Müller, L. Kilian, T. Schallenberg, P. Bach, G. Schmidt, L.W. Molenkamp, O. Bunk, R.L. Johnson, C. Kumpf, E. Umbach,
    Structural investigation of the ZnSe(001)-c(2x2) surface,
    Phys. Rev. B 68, 241314(R) (2003), https://doi.org/10.1103/PhysRevB.68.241314
64. Ch. Barglik-Chory, D. Buchold, M. Schmitt, W. Kiefer, C. Heske, C. Kumpf, O. Fuchs, L. Weinhardt, A. Stahl, E. Umbach, M. Lentze, J. Geurts, G. Müller,
    Synthesis, structure and spectroscopic characterization of water-soluble CdS nanoparticles,
    Chem. Phys. Lett. 379, 443 (2003), https://doi.org/10.1016/j.cplett.2003.08.068
65. P. Bach, A.S. Bader, C. Rüster, C. Gould, C.R. Becker, G. Schmidt, L.W. Molenkamp, W. Weigand, C. Kumpf, E. Umbach, R. Urban, G. Woltersdorf, B. Heinrich,
    Molecular-beam epitaxy of the half-Heusler alloy NiMnSb in (In,Ga)As/InP(001),
    ppl. Phys. Lett. 83, 521 (2003), https://doi.org/10.1063/1.1594286
66. C. Kumpf, A. Müller, W. Weigand, E. Umbach, J. Wagner, V. Wagner, S. Gundel, L. Hansen, J. Geurts, O. Bunk, J.H. Zeysing, F. Wu, R.L. Johnson,
    Analysis of structure and vibrational dynamics of the BeTe(001) surface using x-ray diffraction, Raman spectroscopy, and density functional theory,
    Phys. Rev. B 68, 035339 (2003), https://doi.org/10.1103/PhysRevB.68.035339
67. A.S. Ethiraj, N. Hebalkar, S.K. Kulkarni, R. Pasricha, J. Urban, C. Dem, M. Schmitt, W. Kiefer, L. Weinhardt, S. Joshi, R. Fink, C. Heske, C. Kumpf, E. Umbach,
    Enhancement of photoluminescence in manganese-doped ZnS nanoparticles due to a silica shell,
    J. Chem. Phys. 118 (19), 8945 (2003), https://doi.org/10.1063/1.1566932
    selected for the Virtual Journal of Nanoscale Science & Technology 7(19), (2003).
68. H.G.O. Sandberg, G.L. Frey, M.N. Shkunov, H. Sirringhaus, R.H. Friend, M.M. Nielsen, C. Kumpf,
    Ultrathin regioregular poly(3-hexyl thiophene) field effect transistors,
    Langmuir 18, 10176 (2002), https://doi.org/10.1021/la0261444
69. T.-L. Lee, C. Kumpf, M. Nielsen, R. Feidenhans'l, A. Kazimirov, P.F. Lyman, G. Scherb, M.J. Bedzyk, R.L. Johnson, B.O. Fimland, J. Zegenhagen,
    Structural analysis of the Indium-stabilized GaAs(001)-c(8´2) surface,
    Phys. Rev. B 66, 235301 (2002), https://doi.org/10.1103/PhysRevB.66.235301
70. M. Nielsen, M. Poulsen, O. Bunk, C. Kumpf, R. Feidenhans'l, R.L. Johnson, F. Jensen, F. Grey,
    Mapping strain fields in ultrathin bonded Si wafers by x-ray scattering,
    Appl. Phys. Lett. 80, 3412-3414 (2002), https://doi.org/10.1063/1.1476702
71. W. Weigand, C. Kumpf, A. Bader, C. Schumacher, A. Möginger, W. Faschinger, L.W. Molenkamp, E. Umbach,
    Discret mosaic spread at the surface of ZnSe layers on GaAs (001),
    phys. stat. sol. (b) 229(1), 117-121 (2002), https://doi.org/10.1002/1521-3951(200201)229:1%3C117::AID-PSSB117%3E3.0.CO;2-%23
72. C. Kumpf, D. Smilgies, E. Landemark, M. Nielsen, R. Feidenhans'l, O. Bunk, J.H. Zeysing, Y. Su, R.L. Johnson, L. Cao, J. Zegenhagen, B.O. Fimland, L.D. Marks, D. Ellis,
    Structure of metal-rich (001) surfaces of III-V compound semiconductors,
    Phys. Rev. B 64, 075307 (2001), https://doi.org/10.1103/PhysRevB.64.075307
73. C. Kumpf, M. Nielsen, R. Feidenhans'l, Y. Su, R.L. Johnson,
    Covalent-bond stabilization of the Si(111)--Pb structure,
    Surf. Sci. 486, L495 (2001), https://doi.org/10.1016/S0039-6028(01)01092-5
74. O. Bunk, M.M. Nielsen, J.H. Zeysing, G. Falkenberg, F. Berg-Rasmussen, M. Nielsen, C. Kumpf, Y. Su, R. Feidenhans'l, R.L. Johnson,
    Ge(001)-(2 1 | 0 3)-Pb <-> (2 1 | 0 6)-Pb: a frustrated low temperature phase transition in two dimensions,
    New J. Phys. 3, 13.1 (2001), https://doi.org/10.1088/1367-2630/3/1/313
75. C. Kumpf, L. D. Marks, D. Ellis, D. Smilgies, E. Landemark, M. Nielsen, R. Feidenhans'l, J. Zegenhagen, O. Bunk, J.H. Zeysing, Y. Su, R.L. Johnson,
    Subsurface dimerization in III-V compound semiconductor (001)-surfaces,
    Phys. Rev. Lett. 86, 3586 (2001), https://doi.org/10.1103/PhysRevLett.86.3586
76. C. Kumpf, O. Bunk, J.H. Zeysing, Y. Su, M. Nielsen, R.L. Johnson, R. Feidenhans'l, K. Bechgaard,
    Low-temperature structure of Indium quantum chains on Silicon,
    Phys. Rev. Lett. 85, 4916 (2000), https://doi.org/10.1103/PhysRevLett.85.4916
    selected for the Virtual Journal of Nanoscale Science & Technology 2(24), (2000).
77. C. Kumpf, O. Bunk, J.H. Zeysing, M.M. Nielsen, M. Nielsen, R.L. Johnson, R. Feidenhans'l,
    Structural study of the commensurate-incommensurate low-temperature phase transition of Pb on Si(111),
    Surf. Sci. 448, L213 (2000), https://doi.org/10.1016/S0039-6028(99)01224-8
78. V. Demuth, H. P. Strunk, D. Wörle, C. Kumpf, E. Burkel, M. Schulz,
    Formation of amorphous layers by solid-state reaction from polycrystalline thin Ir films on Si(100),
    Appl. Phys. A 68, 451 (1999), https://doi.org/10.1007/s003390050922
79. D. Wörle, H. Grünleitner, V. Demuth, C. Kumpf, H.P. Strunk, E. Burkel, M. Schulz,
    Amorphous ultrathin (~ 4 nm) IrSi Schottky barriers on silicon,
    Appl. Phys. A 66, 629 (1998), https://doi.org/10.1007/s003390050724
80. R. Nicula, A. Jianu, R. Manaila, A. Devenyi, C. Kumpf, E. Burkel,
    Hydrogen storage in icosahedral and related phases of rapidly solidified Ti-Zr-Ni alloys,
    Eur. Phys. J. B 3, 1 (1998), https://doi.org/10.1007/s100510050277
81. C. Kumpf, R. Nicula, E. Burkel,
    Growth and structure of thin Pt₂Si and PtSi layers on Si(111) and (001), characterised with in-situ grazing incidence diffraction,
    J. Appl. Cryst. 30, 1016 (1997), https://doi.org/10.1107/S0021889897005815
82. C. Kumpf, R. Kowalewicz, M. Stetter, R. Tkotz,
    Simulation of Z-pinch dynamics in a high-current plasma lens with a new one-dimensional model including finite plasma conductivity,
    Phys. Plasmas 3 (3), 922 (1996), https://doi.org/10.1063/1.871797