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Publications Group Wulfhekel


2019
Scanning tunneling spectroscopy of superconducting granular aluminum.
Storbeck, T.; Yang, F.; Pop, I.; Wulfhekel, W.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Tiefe Temperaturen (2019), Regensburg, Deutschland, 31. März–5. April 2019 
Determination of the superconducting gap of Ru(0001) and observationn of a proximity-induced gap in 1ML Co/Ru(0001).
Skolaut, J.; Mougel, L.; Hervé, M.; Balashov, T.; Wulfhekel, W.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Oberflächenphysik (2019), Regensburg, Deutschland, 31. März–5. April 2019 
Investigation of plasmon assisted light emission from heteroepitaxial system of Co islands on Cu(111) by scanning tunneling microscopy.
Rai, V.; Edelmann, K.; Wilmes, L.; Gerhard, L.; Wulfhekel, W.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Oberflächenphysik (2019), Regensburg, Deutschland, 31. März–5. April 2019 
Kondo effect of a singly occupied molecular orbital in bis(phthalocyaninato)-dysprosium double decker molecules.
Frauhammer, T.; Derenbach, G.; Klyatskaya, S.; Moreno-Pineda, E.; Ruben, M.; Wulfhekel, W.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Oberflächenphysik (2019), Regensburg, Deutschland, 31. März–5. April 2019 
Spin waves in disordered film and bulk samples.
Buczek, P.; Hoffmann, M.; Wulfhekel, W.; Zakeri, K.; Ernst, A.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Magnetismus (2019), Regensburg, Deutschland, 31. März–5. April 2019 
2018
Light collection from a low-temperature scanning tunneling microscope using integrated mirror tips fabricated by direct laser writing.
Edelmann, K.; Gerhard, L.; Winkler, M.; Wilmes, L.; Rai, V.; Schumann, M.; Kern, C.; Meyer, M.; Wegener, M.; Wulfhekel, W.
2018. Review of scientific instruments, 89 (12), Art. Nr.: 123107. doi:10.1063/1.5053882
Linking Electronic Transport through a Spin Crossover Thin Film to the Molecular Spin State Using X-ray Absorption Spectroscopy Operando Techniques.
Schleicher, F.; Studniarek, M.; Kumar, K. S.; Urbain, E.; Katcko, K.; Chen, J.; Frauhammer, T.; Hervé, M.; Halisdemir, U.; Kandpal, L. M.; Lacour, D.; Riminucci, A.; Joly, L.; Scheurer, F.; Gobaut, B.; Choueikani, F.; Otero, E.; Ohresser, P.; Arabski, J.; Schmerber, G.; Wulfhekel, W.; Beaurepaire, E.; Weber, W.; Boukari, S.; Ruben, M.; Bowen, M.
2018. ACS applied materials & interfaces, 10 (37), 31580–31585. doi:10.1021/acsami.8b11495
A compact ultrahigh vacuum scanning tunneling microscope with dilution refrigeration.
Balashov, T.; Meyer, M.; Wulfhekel, W.
2018. Review of scientific instruments, 89 (11), Art. Nr.: 113707. doi:10.1063/1.5043636
Spin waves in disordered materials.
Buczek, P.; Thomas, S.; Marmodoro, A.; Buczek, N.; Zubizarreta, X.; Hoffmann, M.; Balashov, T.; Wulfhekel, W.; Zakeri, K.; Ernst, A.
2018. Journal of physics / Condensed matter, 30 (42), 423001. doi:10.1088/1361-648X/aadefb
Electron-assisted magnetization tunneling in single spin systems.
Balashov, T.; Karlewski, C.; Märkl, T.; Schön, G.; Wulfhekel, W.
2018. Physical review / B, 97 (2), Art. Nr.: 024412. doi:10.1103/PhysRevB.97.024412
Abrupt Switching of Crystal Fields during Formation of Molecular Contacts.
Chen, J.; Isshiki, H.; Baretzky, C.; Balashov, T.; Wulfhekel, W.
2018. ACS nano, 12 (4), 3280–3286. doi:10.1021/acsnano.7b07927
Stabilizing spin spirals and isolated skyrmions at low magnetic field exploiting vanishing magnetic anisotropy.
Hervé, M.; Dupé, B.; Lopes, R.; Böttcher, M.; Martins, M. D.; Balashov, T.; Gerhard, L.; Sinova, J.; Wulfhekel, W.
2018. Nature Communications, 9 (1), Art.Nr. 1015. doi:10.1038/s41467-018-03240-wVolltext Volltext der Publikation als PDF-Dokument
Unconventional pairing versus phonon mediated superconductivity in single FeSe layers.
Jandke, J.; Yang, F.; Hlobil, P.; Engelhardt, T.; Gao, C.; Schmalian, J.; Wulfhekel, W.
2018. DPG-Frühjahrstagung der Sektion Kondensierte Materie gemeinsam mit der EPS, Fachverband Tiefe Temperaturen, Berlin, 11.-16.März 2018 
Evidence of orbital selective cooper pairing within surface unit cell of FeSe.
Yang, F.; Jandke, J.; Adelmann, P.; Klug, M.; Wolf, T.; Schmalian, J.; Wulfhekel, W.
2018. DPG-Frühjahrstagung der Sektion Kondensierte Materie gemeinsam mit der EPS, Fachverband Tiefe Temperaturen, Berlin, 11.-16.März 2018 
Interfacial phonons in the single unit cell of FeSe grown on SrTiO₃(001).
Rau, D.; Engelhardt, T.; Jandke, J.; Yang, F.; Barta, E.; Wulfhekel, W.; Lori, K. Z.
2018. DPG-Frühjahrstagung der Sektion Kondensierte Materie gemeinsam mit der EPS, Fachverband Tiefe Temperaturen, Berlin, 11.-16.März 2018 
Low temperature scanning tunneling microscope with optical access.
Wilmes, L.; Edelmann, K.; Winkler, M.; Gerhard, L.; Wulfhekel, W.
2018. DPG-Frühjahrstagung der Sektion Kondensierte Materie gemeinsam mit der EPS, Fachverband Oberflächenphysik, Berlin, 11.-16.März 2018 
Writing information in a self-assembled template of tetraphenylmethane derivatives using a scanning tunneling microscope.
Frauhammer, T.; Lindner, M.; Valasek, M.; Gerhard, L.; Mayor, M.; Wulfhekel, W.
2018. DPG-Frühjahrstagung der Sektion Kondensierte Materie gemeinsam mit der EPS, Fachverband Oberflächenphysik, Berlin, 11.-16.März 2018 
Comparison of the switching behavior of 2D and 3D single molecules induced by mean of tip position and bias actions.
Mougel, L.; Gerhard, L.; Gorczynski, A.; Mayor, M.; Wulfhekel, W.
2018. DPG-Frühjahrstagung der Sektion Kondensierte Materie gemeinsam mit der EPS, Fachverband Oberflächenphysik, Berlin, 11.-16.März 2018 
Large tunneling anisotropic magnetoresistance mediated by surface states.
Herve, M.; Balashov, T.; Ernst, A.; Wulfhekel, W.
2018. DPG-Frühjahrstagung der Sektion Kondensierte Materie gemeinsam mit der EPS, Fachverband Magnetismus, Berlin, 11.-16.März 2018 
2017
Edge states in mesoscopic Bi islands on superconducting Nb(110).
Yang, F.; Jandke, J.; Storbeck, T.; Balashov, T.; Aishwarya, A.; Wulfhekel, W.
2017. Physical review / B, 96 (23), Art.Nr. 235413. doi:10.1103/PhysRevB.96.235413
Molecular Graph Paper.
Lindner, M.; Valášek, M.; Mayor, M.; Frauhammer, T.; Wulfhekel, W.; Gerhard, L.
2017. Angewandte Chemie / International edition, 56 (28), 8290–8294. doi:10.1002/anie.201703586
Modulating the Ferromagnet/Molecule Spin Hybridization Using an Artificial Magnetoelectric.
Studniarek, M.; Cherifi-Hertel, S.; Urbain, E.; Halisdemir, U.; Arras, R.; Taudul, B.; Schleicher, F.; Hervé, M.; Lambert, C.-H.; Hamadeh, A.; Joly, L.; Scheurer, F.; Schmerber, G.; Da Costa, V.; Warot-Fonrose, B.; Marcelot, C.; Mauguin, O.; Largeau, L.; Leduc, F.; Choueikani, F.; Otero, E.; Wulfhekel, W.; Arabski, J.; Ohresser, P.; Weber, W.; Beaurepaire, E.; Boukari, S.; Bowen, M.
2017. Advanced functional materials, 27 (27), Art.Nr. 1700259. doi:10.1002/adfm.201700259
Probing a Device’s Active Atoms.
Studniarek, M.; Halisdemir, U.; Schleicher, F.; Taudul, B.; Urbain, E.; Boukari, S.; Hervé, M.; Lambert, C.-H.; Hamadeh, A.; Petit-Watelot, S.; Zill, O.; Lacour, D.; Joly, L.; Scheurer, F.; Schmerber, G.; Da Costa, V.; Dixit, A.; Guitard, P. A.; Acosta, M.; Leduc, F.; Choueikani, F.; Otero, E.; Wulfhekel, W.; Montaigne, F.; Monteblanco, E. N.; Arabski, J.; Ohresser, P.; Beaurepaire, E.; Weber, W.; Alouani, M.; Hehn, M.; Bowen, M.
2017. Advanced materials, 29 (19), Art. Nr. 1606578. doi:10.1002/adma.201606578
An electrically actuated molecular toggle switch.
Gerhard, L.; Edelmann, K.; Homberg, J.; Valášek, M.; Bahoosh, S. G.; Lukas, M.; Pauly, F.; Mayor, M.; Wulfhekel, W.
2017. Nature Communications, 8, 14672. doi:10.1038/ncomms14672Volltext Volltext der Publikation als PDF-Dokument
Spin crossover in Fe(phen)2(NCS)2 complexes on metallic surfaces.
Gruber, M.; Miyamachi, T.; Davesne, V.; Bowen, M.; Boukari, S.; Wulfhekel, W.; Alouani, M.; Beaurepaire, E.
2017. The journal of chemical physics, 146 (9), 092312. doi:10.1063/1.4973511
2016
Simple and advanced ferromagnet/molecule spinterfaces.
Gruber, M.; Ibrahim, F.; Djedhloul, F.; Barraud, C.; Garreau, G.; Boukari, S.; Isshiki, H.; Joly, L.; Urbain, E.; Peter, M.; Studniarek, M.; Da Costa, V.; Jabbar, H.; Bulou, H.; Davesne, V.; Halisdemir, U.; Chen, J.; Xenioti, D.; Arabski, J.; Bouzehouane, K.; Deranlot, C.; Fusil, S.; Otero, E.; Choueikani, F.; Chen, K.; Ohresser, P.; Bertran, F.; Le Fèvre, P.; Taleb-Ibrahimi, A.; Wulfhekel, W.; Hajjar-Garreau, S.; Wetzel, P.; Seneor, P.; Mattana, R.; Petroff, F.; Scheurer, F.; Weber, W.; Alouani, M.; Beaurepaire, E.; Bowen, M.
2016. Spintronics IX, San Diego, California, United States, August 28 - September 1, 2016. Ed.: H.-J. Drouhin, 99313O/1–10, SPIE, Bellingham (Wash.). doi:10.1117/12.2239067
Two-band superconductivity of bulk and surface states in Ag thin films on Nb.
Tomanic, T.; Schackert, M.; Wulfhekel, W.; Sürgers, C.; Löhneysen, H. v.
2016. Physical review / B, 94 (22), Art.Nr.: 220503. doi:10.1103/PhysRevB.94.220503
Scanning tunneling spectroscopy on SrFe2(As1-x Px)2.
Jandke, J.; Wild, P.; Schackert, M.; Suga, S.; Kobayashi, T.; Miyasaka, S.; Tajima, S.; Wulfhekel, W.
2016. Physical review / B, 93 (10), Art.Nr.: 104528. doi:10.1103/PhysRevB.93.104528
Importance of the Anchor Group Position (Para versus Meta) in Tetraphenylmethane Tripods: Synthesis and Self-Assembly Features.
Lindner, M.; Valasek, M.; Homberg, J.; Edelmann, K.; Gerhard, L.; Wulfhekel, W.; Fuhr, O.; Waechter, T.; Zharnikov, M.; Kolivoska, V.; Pospisil, L.; Meszaros, G.; Hromadova, M.; Mayor, M.
2016. Chemistry - a European journal, 22 (37), 13218–13235. doi:10.1002/chem.201602019
High Spin Polarization at Ferromagnetic Metal–Organic Interfaces: A Generic Property.
Djeghloul, F.; Gruber, M.; Urbain, E.; Xenioti, D.; Joly, L.; Boukari, S.; Arabski, J.; Bulou, H.; Scheurer, F.; Bertran, F.; Le Fèvre, P.; Taleb-Ibrahimi, A.; Wulfhekel, W.; Garreau, G.; Hajjar-Garreau, S.; Wetzel, P.; Alouani, M.; Beaurepaire, E.; Bowen, M.; Weber, W.
2016. The journal of physical chemistry letters, 7 (13), 2310–2315. doi:10.1021/acs.jpclett.6b01112
Temperature control of the growth of iron oxide nanoislands on Fe(001).
Yamada, T. K.; Sakaguchi, Y.; Gerhard, L.; Wulfhekel, W.
2016. Japanese journal of applied physics / Supplement 1, 55 (8(S1), Art.Nr.: 08NB14. doi:10.7567/JJAP.55.08NB14
Scanning tunneling microscopy on bulk FeSe.
Dressner, J.; Jandke, J.; Wolf, T.; Wulfhekel, W.
2016. 80. Jahrestagung der DPG und DPG-Frühjahrstagung der Sektion Kondensierte Materie, Fachverband Tiefe Temperaturen, Regensburg, 6.-11.März 2016.Verhandlungen der Deutschen Physikalischen Gesellschaft, R.6, B.51(2016), TT 19.20 
Fingerprints of the superconducting pairing glue via inelastic tunneling spectroscopy.
Hlobil, P.; Schmalian, J.; Jandke, J.; Wulfhekel, W.
2016. American Physical Society March Meeting, Baltimore, MD, March 14-18, 2016 
Coupling to real and virtual phonons in tunneling spectroscopy of superconductors.
Jandke, J.; Hlobil, P.; Schackert, M.; Wulfhekel, W.; Schmalian, J.
2016. Physical review / B, 93 (6), 060505. doi:10.1103/PhysRevB.93.060505
Exchange Coupling of Spin-Crossover Molecules to Ferromagnetic Co Islands.
Gueddida, S.; Gruber, M.; Miyamachi, T.; Beaurepaire, E.; Wulfhekel, W.; Alouani, M.
2016. Journal of Physical Chemistry Letters, 7 (5), 900–904. doi:10.1021/acs.jpclett.6b00172
Single-molecule magnet behavior in 2,2 ’-bipyrimidine-bridged dilanthanide complexes.
Yu, W.; Schramm, F.; Moreno Pineda, E.; Lan, Y.; Fuhr, O.; Chen, J.; Isshiki, H.; Wernsdorfer, W.; Wulfhekel, W.; Ruben, M.
2016. Beilstein journal of nanotechnology, 7, 126–137. doi:10.3762/bjnano.7.15Volltext Volltext der Publikation als PDF-Dokument
2015
Local Measurement of the Eliashberg Function of Pb Islands: Enhancement of Electron-Phonon Coupling by Quantum Well States.
Schackert, M.; Maerkl, T.; Jandke, J.; Hoelzer, M.; Ostanin, S.; Gross, E. K. U.; Ernst, A.; Wulfhekel, W.
2015. Physical Review Letters, 114 (4), 047002. doi:10.1103/PhysRevLett.114.047002
Magnetic Structure of Mn Films on Cu₃Au(100) Revealed by Spin-Polarized Scanning Tunneling Microscopy.
Tange, A.; Gao, C.; Chiang, C.-T.; Lin, M.-T.; Wulfhekel, W.; Kirschner, J.
2015. Materials Transactions, 56 (9), 1484–1487. doi:10.2320/matertrans.MA201527
Highly spin-polarized carbon-based spinterfaces.
Djeghloul, F.; Garreau, G.; Gruber, M.; Joly, L.; Boukari, S.; Arabski, J.; Bulou, H.; Scheurer, F.; Hallal, A.; Bertran, F.; Le Fevre, P.; Taleb-Ibrahimi, A.; Wulfhekel, W.; Beaurepaire, E.; Hajjar-Garreau, S.; Wetzel, P.; Bowen, M.; Weber, W.
2015. Carbon, 87, 269–274. doi:10.1016/j.carbon.2015.02.043
Hysteresis and change of transition temperature in thin films of Fe{[Me₂Pyrz]₃BH}₂, a new sublimable spin-crossover molecule.
Davesne, V.; Gruber, M.; Studniarek, M.; Doh, W. H.; Zafeiratos, S.; Joly, L.; Sirotti, F.; Silly, M. G.; Gaspar, A. B.; Real, J. A.; Schmerber, G.; Bowen, M.; Weber, W.; Boukari, S.; Da Costa, V.; Arabski, J.; Wulfhekel, W.; Beaurepaire, E.
2015. Journal of Chemical Physics, 142 (19), 194702. doi:10.1063/1.4921309
Magnetic adatoms as memory bits: A quantum master equation analysis.
Karlewski, C.; Marthaler, M.; Märkl, T.; Balashov, T.; Wulfhekel, W.; Schön, G.
2015. Physical review / B, 91 (24), 245430/1–13. doi:10.1103/PhysRevB.91.245430
Spin-dependent hybridization between molecule and metal at room temperature through interlayer exchange coupling.
Ibrahim, F.; Boukari, S.; Joly, L.; Da Costa, V.; Studniarek, M.; Peter, M.; Isshiki, H.; Jabbar, H.; Davesne, V.; Arabski, J.; Otero, E.; Choueikani, F.; Chen, K.; Ohresser, P.; Wulfhekel, W.; Scheurer, F.; Beaurepaire, E.; Alouani, M.; Weber, W.; Bowen, M.
2015. Nano Letters, 15 (12), 7921–7926. doi:10.1021/acs.nanolett.5b02961
Exchange bias and room-temperature magnetic order in molecular layers.
Gruber, M.; Ibrahim, F.; Boukari, S.; Isshiki, H.; Joly, L.; Peter, M.; Studniarek, M.; Da Costa, V.; Jabbar, H.; Davesne, V.; Halisdemir, U.; Chen, J.; Arabski, J.; Otero, E.; Choueikani, F.; Chen, K.; Ohresser, P.; Wulfhekel, W.; Scheurer, F.; Weber, W.; Alouani, M.; Beaurepaire, E.; Bowen, M.
2015. Nature Materials, 14 (10), 981–984. doi:10.1038/nmat4361
Kondo effect in binuclear metal-organic complexes with weakly interacting spins.
Zhang, L.; Bagrets, A.; Xenioti, D.; Korytar, R.; Schackert, M.; Miyamachi, T.; Schramm, F.; Fuhr, O.; Chandrasekar, R.; Alouani, M.; Ruben, M.; Wulfhekel, W.; Evers, F.
2015. Physical review / B, 91, 195424/1–11. doi:10.1103/PhysRevB.91.195424
STM study of oligo(phenylene-ethynylene)s.
Thiele, C.; Gerhard, L.; Eaton, T. R.; Torres, D. M.; Mayor, M.; Wulfhekel, W.; Löhneysen von, H.; Lukas, M.
2015. New journal of physics, 17 (5), 053043/1–11. doi:10.1088/1367-2630/17/5/053043Volltext Volltext der Publikation als PDF-Dokument
2014
Spins on surfaces.
Wulfhekel, W.; Bluegel, S.
2014. Surface science, 630, 300/1–1. doi:10.1016/j.susc.2014.09.006
Spin-polarized angle-resolved photoelectron spectroscopy of the so-predicted Kondo topological insulator SmB6.
Suga, S.; Sakamoto, K.; Okuda, T.; Miyamoto, K.; Kuroda, K.; Sekiyama, A.; Yamaguchi, J.; Fujiwara, H.; Irizawa, A.; Ito, T.; Kimura, S.; Balashov, T.; Wulfhekel, W.; Yeo, S.; Iga, F.; Imada, S.
2014. Journal of the Physical Society of Japan, 83 (1), 014705. doi:10.7566/JPSJ.83.014705
Spin state of spin-crossover complexes: From single molecules to ultrathin films.
Gruber, M.; Davesne, V.; Bowen, M.; Boukari, S.; Beaurepaire, E.; Wulfhekel, W.; Miyamachi, T.
2014. Physical Review B - Condensed Matter and Materials Physics, 89 (19), 195415. doi:10.1103/PhysRevB.89.195415
Dynamic magnetic excitations in 3d and 4f atoms and clusters.
Balashov, T.; Miyamachi, T.; Schuh, T.; Märkl, T.; Bresch, C.; Wulfhekel, W.
2014. Surface science. doi:10.1016/j.susc.2014.07.025
Magnon dispersion in thin magnetic films.
Balashov, T.; Buczek, P.; Sandratskii, L.; Ernst, A.; Wulfhekel, W.
2014. Journal of Physics Condensed Matter, 26 (39), 394007. doi:10.1088/0953-8984/26/39/394007
Influence of an electric field on the spin-reorientation transition in Ni/Cu(100).
Gerhard, L.; Bonell, F.; Wulfhekel, W.; Suzuki, Y.
2014. Applied Physics Letters, 105 (15), 152903/1–5. doi:10.1063/1.4898188
2013
Direct observation of a highly spin-polarized organic spinterface at room temperature.
Djeghloul, F.; Ibrahim, F.; Cantoni, M.; Bowen, M.; Joly, L.; Boukari, S.; Ohresser, P.; Bertran, F.; Le FÚvre, P.; Thakur, P.; Scheurer, F.; Miyamachi, T.; Mattana, R.; Seneor, P.; Jaafar, A.; Rinaldi, C.; Javaid, S.; Arabski, J.; Kappler, J.-P.; Wulfhekel, W.; Brookes, N. B.; Bertacco, R.; Taleb-Ibrahimi, A.; Alouani, M.; Beaurepaire, E.; Weber, W.
2013. Scientific reports, 3, Art. Nr.: 1272. doi:10.1038/srep01272Volltext Volltext der Publikation als PDF-Dokument
Different evolution of the intrinsic gap in strongly correlated SmB 6 in contrast to YbB12.
Yamaguchi, J.; Sekiyama, A.; Kimura, M. Y.; Sugiyama, H.; Tomida, Y.; Funabashi, G.; Komori, S.; Balashov, T.; Wulfhekel, W.; Ito, T.; Kimura, S.; Higashiya, A.; Tamasaku, K.; Yabashi, M.; Ishikawa, T.; Yeo, S.; Lee, S.-I.; Iga, F.; Takabatake, T.; Suga, S.
2013. New Journal of Physics, 15, 043042. doi:10.1088/1367-2630/15/4/043042
Chemisorption of manganese phthalocyanine on Cu(001) surface promoted by van der Waals interactions.
Javaid, S.; Lebegue, S.; Detlefs, B.; Ibrahim, F.; Djeghloul, F.; Bowen, M.; Boukari, S.; Miyamachi, T.; Arabski, J.; Spor, D.; Zegenhagen, J.; Wulfhekel, W.; Weber, W.; Beaurepaire, E.; Alouani, M.
2013. Physical Review B - Condensed Matter and Materials Physics, 87 (15), 155418. doi:10.1103/PhysRevB.87.155418
First glimpse of the soft x-ray induced excited spin-state trapping effect dynamics on spin cross-over molecules.
Davesne, V.; Gruber, M.; Miyamachi, T.; Da Costa, V.; Boukari, S.; Scheurer, F.; Joly, L.; Ohresser, P.; Otero, E.; Choueikani, F.; Gaspar, A. B.; Real, J. A.; Wulfhekel, W.; Bowen, M.; Beaurepaire, E.
2013. Journal of Chemical Physics, 139 (7), 074708. doi:10.1063/1.4818603
Dynamics of electrically driven martensitic phase transitions in Fe nanoislands.
Gerhard, L.; Wesselink, R. J. H.; Ostanin, S.; Ernst, A.; Wulfhekel, W.
2013. Physical Review Letters, 111 (16), 167601/1–5. doi:10.1103/PhysRevLett.111.167601
Parity effect in the ground state localization of antiferromagnetic chains coupled to a ferromagnet.
Holzberger, S.; Schuh, T.; Blügel, S.; Lounis, S.; Wulfhekel, W.
2013. Physical Review Letters, 110 (15), 157206. doi:10.1103/PhysRevLett.110.157206
Stabilizing the magnetic moment of single holmium atoms by symmetry.
Miyamachi, T.; Schuh, T.; Märkl, T.; Bresch, C.; Balashov, T.; Stöhr, A.; Karlewski, C.; André, S.; Marthaler, M.; Hoffmann, M.; Geilhufe, M.; Ostanin, S.; Hergert, W.; Mertig, I.; Schön, G.; Ernst, A.; Wulfhekel, W.
2013. Nature, 503 (7475), 242–246. doi:10.1038/nature12759
C₅₈ on Au(111): A scanning tunneling microscopy study.
Bajales, N.; Schmaus, S.; Miyamashi, T.; Wulfhekel, W.; Wilhelm, J.; Walz, M.; Stendel, M.; Bagrets, A.; Evers, F.; Ulas, S.; Kern, B.; Böttcher, A.; Kappes, M. M.
2013. Journal of Chemical Physics, 138 (10), 104703/1–12. doi:10.1063/1.4793761
C₅₈ on Au(111): an STM-based study.
Bajales, N.; Schmaus, S.; Miyamachi, T.; Wulfhekel, W.; Wilhelm, J.; Stendel, M.; Walz, M.; Bagrets, A.; Evers, F.; Ulas, S.; Kern, B.; Böttcher, A.; Kappes, M. M.
2013. Frühjahrstagung DPG, Sektion Kondensierte Materie, Fachverband Oberflächenphysik, Regensburg, 10.-15. März 2013 Verhandlungen der Deutschen Physikalischen Gesellschaft, R.6, B.48(2013), O 42.2 
2012
Functionalisation through periodically arranged nanostructures.
Sahaf, H.; Moyen, E.; Mace, M.; Masson, L.; Hanbuecken, M.; Gerhard, L.; Wulfhekel, W.
2012. International Journal of Nanotechnology, 9 (3-7), 216–229. doi:10.1504/IJNT.2012.045328
Spintronics with single molecules.
Wulfhekel, W.; Miyamachi, T.; Schmaus, S.; Yamada, T. K.; Takacs, A. F.; Bagrets, A.; Evers, F.; Balashov, T.; Gruber, M.; Davesne, V.; Bowen, M.; Beaurepaire, E.
2012. Proceedings of the IEEE Conference on Nanotechnology, 6322103, IEEE. doi:10.1109/NANO.2012.6322103
Graphene-based electronic spin lenses.
Gerhard, L.; Moyen, E.; Balashov, T.; Ozerov, I.; Portail, M.; Sahaf, H.; Masson, L.; Wulfhekel, W.; Hanbücken, M.
2012. Applied Physics Letters, 100 (15), 153106/1–3. doi:10.1063/1.3701594
A Novel Self-Ordered Sub-10 nm Nanopore Template for Nanotechnology.
Moyen, E.; Santinacci, L.; Masson, L.; Wulfhekel, W.; Hanbücken, M.
2012. Advanced Materials, 24 (37), 5094–5098. doi:10.1002/adma.201200648
Robust spin crossover and memristance across a single molecule.
Miyamachi, T.; Gruber, M.; Davesne, V.; Bowen, M.; Boukari, S.; Joly, L.; Scheurer, F.; Rogez, G.; Yamada, T. K.; Ohresser, P.; Beaurepaire, E.; Wulfhekel, W.
2012. Nature Communications, 3 (7), 938/1–6. doi:10.1038/ncomms1940
Investigation of non-collinear spin states with Scanning Tunneling Microscopy.
Wulfhekel, W.; Gao, C. L.
2012. Journal of Physics: Condensed Matter, 22 (8), 084021/1–11. doi:10.1088/0953-8984/22/8/084021
Magnetic Excitations of Rare Earth Atoms and Clusters on Metallic Surfaces.
Schuh, T.; Miyamachi, T.; Gerstl, S.; Geilhufe, M.; Hoffmann, M.; Ostanin, S.; Hergert, W.; Ernst, A.; Wulfhekel, W.
2012. Nano Letters, 12 (9), 4805–4809. doi:10.1021/nl302250n
Single molecule magnetoresistance with combined antiferromagnetic and ferromagnetic electrodes.
Bagrets, A.; Schmaus, S.; Jaafar, A.; Kramczynski, D.; Yamada, T. K.; Alouani, M.; Wulfhekel, W.; Evers, F.
2012. Nano Letters, 12, 5131–5136. doi:10.1021/nl301967t
Simple quantum operations on molecular magnets on surfaces.
Wulfhekel, W.; Schlickum, U.; Ruben, M.
2012. Statusworkshop ’Kompetenznetz funktionelle Nanostrukturen’, Bad Herrenalb, 19.- 21. September 2012 
2011
Electrical control of the magnetic state of Fe.
Gerhard, L.; Yamada, T. K.; Balashov, T.; Takacs, A. F.; Wesselink, R. J. H.; Däne, M.; Fechner, M.; Ostanin, S.; Ernst, A.; Mertig, I.; Wulfhekel, W.
2011. IEEE Transactions on Magnetics, 47 (6 PART 1), 1619–1622. doi:10.1109/TMAG.2011.2107506
Modication of magnetic stability of Co single atoms on Pt(111) by dimer formation.
Miyamachiy, T.; Schuh, T.; Balashov, T.; Suga, S.; Wulfhekel, W.
2011. e-Journal of Surface Science and Nanotechnology, 9, 237–240. doi:10.1380/ejssnt.2011.237
Electric field control of Fe nano magnets: Towards metallic nonvolatile data storage devices.
Yamada, T. K.; Gerhard, L.; Balashov, T.; Takacs, A. F.; Wesselink, R. J. H.; Wulfhekel, W.
2011. Japanese Journal of Applied Physics, 50 (8 PART 4), 08LA03. doi:10.1143/JJAP.50.08LA03
Magnetic anisotropy and magnetic excitations in supported atoms.
Schuh, T.; Balashov, T.; Miyamachi, T.; Wu, S.-Y.; Kuo, C.-C.; Ernst, A.; Henk, J.; Wulfhekel, W.
2011. Physical Review B - Condensed Matter and Materials Physics, 84 (10), 104401. doi:10.1103/PhysRevB.84.104401
A compact sub-Kelvin ultrahigh vacuum scanning tunneling microscope with high energy resolution and high stability.
Zhang, L.; Miyamachi, T.; Tomanic, T.; Dehm, R.; Wulfhekel, W.
2011. Review of Scientific Instruments, 82 (10), 103702. doi:10.1063/1.3646468
Giant magnetoresistance through a single molecule.
Schmaus, S.; Bagrets, A.; Nahas, Y.; Yamada, T. K.; Bork, A.; Bowen, M.; Beaurepaire, E.; Evers, F.; Wulfhekel, W.
2011. Nature Nanotechnology, 6 (3), 185–189. doi:10.1038/nnano.2011.11
Giant magnetoresistance through a single molecule.
Bagrets, A.; Schmaus, S.; Nahas, Y.; Yamada, T. K.; Bork, A.; Bowen, M.; Beaurepaire, E.; Evers, F.; Wulfhekel, W.
2011. Moscow Internat.Symp.on Magnetism (MISM 2011), Moskva, Russia, August 21-25, 2011 
Electrical control over the Fe(II) spin-crossover and magnetoresistance effect at a single molecule level.
Bagrets, A.; Schmaus, S.; Bernand-Mantel, A.; Meded, V.; Fink, K.; Evers, F.; Wulfhekel, W.; Ruben, M.; van der Zant, H. S. J.
2011. Functional Metalorganics : Magnetism, Structure, Transport (FM-2011), Uppsala, S, May 30 - June 1, 2011 
Correlation effects and magnetism in transport through single molecules.
Evers, F.; Bagrets, A.; Meded, V.; Bernand-Mantel, A.; van der Zant, H.; Ruben, M.; Schmauss, S.; Wulfhekel, W.
2011. Symp.on Atomic Scale Simulations of Materials, Strasbourg, F, May 26-27, 2011 Developments and Prospects in Quantum Impurity Physics : Workshop, Max-Planck-Institut für Physik komplexer Systeme, Dresden, June 6-10, 2011 
2010
V-V dimerization effects on bulk-sensitive hard x-ray photoemission spectra for Magnéli phase vanadium oxides.
Obara, M.; Sekiyama, A.; Imada, S.; Yamaguchi, J.; Miyamachi, T.; Balashov, T.; Wulfhekel, W.; Yabashi, M.; Tamasaki, K.; Higashiya, A.; Ishikawa, T.; Fujiwara, K.; Takagi, H.; Suga, S.
2010. Physical Review B, 81 (11), 113107/1–4. doi:10.1103/PhysRevB.81.113107
Impact on Interface Spin Polarization of Molecular Bonding to Metallic Surfaces.
Javaid, S.; Bowen, M.; Boukari, S.; Joly, L.; Beaufrand, J.-B.; Chen, X.; Dappe, Y. J.; Scheurer, F.; Kappler, J.-P.; Arabski, J.; Wulfhekel, W.; Alouani, M.; Beaurepaire, E.
2010. Physical Review Letters, 105 (7), 077201/1–4. doi:10.1103/PhysRevLett.105.077201
Magnetoelectric coupling at metal surfaces.
Gerhard, L.; Yamada, T. K.; Balashov, T.; Wesselink, R. J. H.; Wulfhekel, W.
2010. Nature Nanotechnology, 5 (11), 792–797. doi:10.1038/nnano.2010.214
Electronic structure and spin polarization of the Fe(001)-p(1×1)O surface.
Tange, A.; Gao, C. L.; Yavorsky, B. Y.; Maznichenko, I. V.; Etz, C.; Ernst, A.; Hergert, W.; Mertig, I.; Wulfhekel, W.; Kirschner, J.
2010. Physical Review B, 81 (19), 195410/1–6. doi:10.1103/PhysRevB.81.195410
Lifetimes of magnetic excitations in Fe and Co atoms and clusters on Pt(111).
Schuh, T.; Balashov, T.; Miyamachi, T.; Takasc, A. F.; Suga, S.; Wulfhekel, W.
2010. Journal of Applied Physics, 107 (9), 09E156/1–3. doi:10.1063/1.3365113
Spin-polarized transport and magnetoresistance at the single molecule level.
Bagrets, A.; Schmaus, S.; Nahas, Y.; Bork, A.; Mowen, M.; Beaurepaire, E.; Yamada, T.; Wulfhekel, W.; Evers, F.
2010. Ψsub(k) Conf., Berlin, September 12-16, 2010 
Correlation effects and magnetism in transport properties of single molecules.
Evers, F.; Bagrets, A.; Meded, V.; Bernand-Mantel, A.; van der Zant, H.; Ruben, M.; Schmauss, S.; Wulfhekel, W.
2010. Palestinian Conf.on Modern Trends in Mathematics and Physics II, Nablus, Palestine, August 2-4, 2010 
2009
Metal-rich Au-silicide nanoparticles for use in nanotechnology.
Moyen, E.; Mace, M.; Agnus, G. and; Fleurence, A.; Maroutian, T.; Houze, F.; Stupakiewicz, A.; Masson, L.; Bartenlian, B.; Wulfhekel, W.; Beauvillain, P.; Hanbuecken, M.
2009. Applied Physics Letters, 94 (23), 233101/1–3. doi:10.1063/1.3148782
Magnetic Anisotropy and Magnetization Dynamics of Individual Atoms and Clusters of Fe and Co on Pt(111).
Balashov, T.; Schuh, T.; Takacs, A. F.; Ernst, A.; Ostanin, S.; Henk, J.; Mertig, I.; Bruno, P.; Miyamachi, T.; Suga, S.; Wulfhekel, W.
2009. Physical Review Letters, 102 (25), 257203/1–4. doi:10.1103/PhysRevLett.102.257203
2008
Electron transport through single phthalocyanine molecules studied using scanning tunneling microscopy.
Takacs, A. F.; Witt, F.; Schmaus, S.; Balashov, T.; Bowen, M.; Beaurepaire, E.; Wulfhekel, W.
2008. Physical Review B, 78 (23), 233404. doi:10.1103/PhysRevB.78.233404
Inelastic electron-magnon interaction and spin transfer torque.
Balashov, T.; Takacs, A. F.; Daene, M.; Ernst, A.; Bruno, P.; Wulfhekel, W.
2008. Physical Review B, 78 (17), 174404. doi:10.1103/PhysRevB.78.174404
Submonolayer regime of Co epitaxy on Pd(111): Morphology and electronic structure.
Wasniowska, M.; Wulfhekel, W.; Przybylski, M.; Kirschner, J.
2008. Physical Review B, 78 (3), 35405/1–8 
Spin wave dispersion on the nanometer scale.
Wulfhekel, W.; Gao, C. L.; Ernst, A.; Fischer, G.; Hergert, W.; Bruno, P.; Kirschner, J.
2008. Physical Review Letters, 101 (16), 167201/1–4. doi:10.1103/PhysRevLett.101.167201
Electron transport through single phthalocyanine molecules with STM.
Wulfhekel, W.; Takacs, A. F.; Witt, F.; Schmaus, S.; Balashov, T.; Bowen, M.; Beaurepaire, E.
2008. Physical Review B, 78 (23), 233404/1–4 
Noncollinear surface spin density by surface reconstruction in the alloy NiMn.
Wulfhekel, W.; Gao, C. L.; Ernst, A.; Winkelmann, A.; Henk, J.; Bruno, P.; Kirschner, J.
2008. Physical Review Letters, 100 (23), 237203/1–4. doi:10.1103/PhysRevLett.100.237203
Inelastic electron-magnon interaction and spin transfer torque.
Wulfhekel, W.; Takacs, A. F.; Balashov, T.; Däne, M.; Ernst, A.; Bruno, P.
2008. Physical Review B, 78 (17), 174404/1–5 
Revealing the 120° antiferromagnetic Néel structure in real space: One monolayer Mn on Ag(111).
Gao, C. L.; Wulfhekel, W.; Kirschner, J.
2008. Physical Review Letters, 101 (26), 267205/1–4 
2006
Etching nano-holes in silicon carbide using catalytic platinum nano-particles.
Moyen, E.; Wulfhekel, W.; Lee, W.; Leycuras, A.; Nielsch, K.; Goesele, U.; Hanbuecken, M.
2006. Applied Physics A: Materials Science and Processing, 84 (4), 369–371. doi:10.1007/s00339-006-3639-4
Vertical nanopatterning of 6H-SiC(0001) surfaces using gold-metal nanotube membrane lithography.
Lee, W.; Moyen, E.; Wulfhekel, W.; Leycuras, A.; Nielsch, K.; Goesele, U.; Hanbuecken, M.
2006. Applied Physics A: Materials Science and Processing, 83 (3), 361–363. doi:10.1007/s00339-006-3566-4
Single-crystalline Fe/Cr/Fe/MgO/Fe magnetotunnel junctions grown on GaAs(001).
Grabowski, J.; Przybylski, M.; Nyvlt, M.; Zukrowski, J.; Wulfhekel, W.; Kirschner, J.
2006. Journal of Applied Physics, 99 (8), Art.Nr. 08C908. doi:10.1063/1.2171939
Magnon excitation with spin-polarized scanning tunneling microscopy.
Balashov, T.; Takacs, A. F.; Wulfhekel, W.; Kirschner, J.
2006. Physical Review Letters, 97 (18), 187201. doi:10.1103/PhysRevLett.97.187201
Effect of antiferromagnetic layers on the spin-dependent transport in magnetic tunnel junctions.
Wulfhekel, W.; Schlickum, U.; Gao, C. L.; Henk, J.; Bruno, P.; Kirschner, J.
2006. Physical Review B, 74 (5), Art.Nr. 54409/1–6. doi:10.1103/PhysRevB.74.054409
Magnon excitation with spin-polarized Scanning Tunneling Microscopy.
Balashov, T.; Takacs, A. F.; Wulfhekel, W.; Kirschner, J.
2006. Physical Review Letters, 97 (18), 187201/1–4 
2005
Influence of step edges and strain on the domain wall width.
Bodea, S.; Wulfhekel, W.; Kirschner, J.
2005. Physical Review B - Condensed Matter and Materials Physics, 72 (10), Art.Nr. 100403. doi:10.1103/PhysRevB.72.100403
Topological frustrations in Mn films on Fe(001).
Wulfhekel, W.; Schlickum, U.; Kirschner, J.
2005. Microscopy Research and Technique, 66 (2-3), 105–116. doi:10.1002/jemt.20150
Large Spin Effects in Coulomb Blockade of Fe/MgO/Fe tunnel junctions.
Wulfhekel, W.; Ernst, A.; Henk, J.; Zavaliche, F.; Kuo, C. C.; Lin, M. T.; Bruno, P.; Kirschner, J.
2005. Physical Review B - Condensed Matter and Materials Physics, 72 (21), 212407/1–4. doi:10.1103/PhysRevB.72.212407
The influence of step edges and strain on the domain wall width.
Bodea, S.; Wulfhekel, W.; Kirschner, J.
2005. Physical Review B, 72 (10), 100403/1–4 
2004
Interlayer magnetic coupling in single-crystalline Fe/Cr/Fe and Fe/MgO/Fe structures grown on GaAs(001).
Przybylski, M.; Grabowski, J.; Wulfhekel, W.; Kirschner, J.
2004. Surface Science, 566-568 (1-3), 256–261. doi:10.1016/j.susc.2004.05.054
90°coupling in (Fe/Cr/Fe)AFM/Cr/Fe system epitaxially grown on GaAs(0 0 1).
Grabowski, J.; Przybylski, M.; Wulfhekel, W.; Rams, M.; Kirschner, J.
2004. Vacuum, 74 (2), 279–285. doi:10.1016/j.vacuum.2003.12.149
Spin-polarized scanning tunneling spectroscopy study of Fe nanomagnets on W(001).
Yamasaki, A.; Wulfhekel, W.; Hertel, R.; Suga, S.; Kirschner, J.
2004. Journal of Applied Physics, 95 (11), 7025–7027. doi:10.1063/1.1687276
Regular step formation on concave-shaped surfaces on 6H-SiC(0001).
Wulfhekel, W.; Sander, D.; Nitsche, S.; Dulot, F.; Leycuras, A.; Hanbucken, M.
2004. Surface Science, 550 (1-3), 8–14. doi:10.1016/j.susc.2003.12.037
Structural reorganisation of vicinal surfaces on 6H-SiC(0001) induced by hot hydrogen etching.
Wulfhekel, W.; Sander, D.; Nitsche, S.; Dulot, F.; Leycuras, A.; Hanbucken, M.
2004. Applied Surface Science, 234 (1-4), 251–255. doi:10.1016/j.apsusc.2004.05.262
Magneto-optical properties of Fe/Cr/Fe/MgO/Fe structures epitaxially grown on GaAs(001).
Przybylski, M.; Grabowski, J.; Wulfhekel, W.; Rams, M.; Tomala, K.; Kirschner, J.
2004. Journal of Applied Physics, 95 (2), 597–602. doi:10.1063/1.1632016
An analytical model for ultrathin films with spatially varying magnetic anisotropies.
Porrati, F.; Wulfhekel, W.; Kirschner, J.
2004. Journal of Magnetism and Magnetic Materials, 270 (1-2), 22–31. doi:10.1016/S0304-8853(03)00658-9
Comparison of structural re-organisations observed on pre-patterned vicinal Si(111) and Si(100) surfaces during heat treatment.
Kraus, A.; Neddermeyer, H.; Wulfhekel, W.; Sander, D.; Maroutian, T.; Dulot, F.; Martinez-Gil, A.; Hanbucken, M.
2004. Applied Surface Science, 234 (1-4), 307–312. doi:10.1016/j.apsusc.2004.05.057
Highly regular nanometer-sized hexagonal pipes in 6H-SiC(0001).
Wulfhekel, W.; Sander, D.; Nitsche, S.; Leycuras, A.; Hanbücken, M.
2004. Applied Physics A: Materials Science and Processing, 79 (3), 411–413. doi:10.1007/s00339-004-2705-z
Domain-Wall Induced Phase Shifts in Spin Waves.
Hertel, R.; Wulfhekel, W.; Kirschner, J.
2004. Physical Review Letters, 93 (25), Art.Nr. 257202/1–4. doi:10.1103/PhysRevLett.93.257202
Step-induced frustration of antiferromagnetic order in Mn on Fe(001).
Wulfhekel, W.; Schlickum, U.; Janke-Gilman, N.; Kirschner, J.
2004. Physical Review Letters, 92 (10), Art.Nr. 107203/1–4. doi:10.1103/PhysRevLett.92.107203
2003
Au-induced perpendicular magnetization in Fe films grown on Si(001).
Zavaliche, F.; Wulfhekel, W.; Przybylski, M.; Bodea, S.; Grabowski, J.; Kirschner, J.
2003. Journal of Physics D: Applied Physics, 36 (7), 779–784. doi:10.1088/0022-3727/36/7/302
Structural and magnetic characterization of single-crystalline Fe/MgO/Fe magneto-tunnel junctions grown on GaAs(001) and InP(001).
Przybylski, M.; Grabowski, J.; Zavaliche, F.; Wulfhekel, W.; Scholz, R.; Kirschner, J.
2003. Journal of Physics D: Applied Physics, 35 (15), 1821–1827. doi:10.1088/0022-3727/35/15/301
Spin-polarized scanning tunneling microscope for imaging the in-plane magnetization.
Schlickum, U.; Wulfhekel, W.; Kirschner, J.
2003. Applied Physics Letters, 83 (10), 2016–2018. doi:10.1063/1.1606867
Anisotropic susceptibility of ferromagnetic ultrathin Co films on vicinal Cu.
Jensen, P. J.; Knappmann, S.; Wulfhekel, W.; Oepen, H. P.
2003. Physical Review B - Condensed Matter and Materials Physics, 67 (18), Art.Nr. 184417. doi:10.1103/PhysRevB.67.184417
Growth and magnetism of Fe nanostructures on W(001).
Wulfhekel, W.; Zavaliche, F.; Bodea, S.; Hertel, R.; Steierl, G.; Liu, G.; Oepen, H. P.; Kirschner, J.
2003. Physical Review B, 68 (14), 144416/1–9. doi:10.1103/PhysRevB.68.144416
Absence of Zero-Bias Anomaly in Spin-Polarized Vacuum Tunneling in Co(0001).
Wulfhekel, W.; Ding, H. F.; Henk, J.; Bruno, P.; Kirschner, J.
2003. Physical Review Letters, 90 (11), Art.Nr. 116603/1–4. doi:10.1103/PhysRevLett.90.116603
Direct Observation of the Single-Domain Limit of Fe Nanomagnets by Spin-Polarized Scanning Tunneling Spectroscopy.
Wulfhekel, W.; Yamasaki, A.; Hertel, R.; Suga, S.; Kirschner, J.
2003. Physical Review Letters, 91 (12), 127201/1–4 
A spin-polarized scanning tunneling microscope for imaging the in-plane magnetization.
Schlickum, U.; Wulfhekel, W.; Kirschner, J.
2003. Applied Physics Letters, 83 (10), 2016–2018 
Spin-polarized vacuum tunneling at small gap widths.
Ding, H. F.; Wulfhekel, W.; Kirschner, J.
2003. Europhysics Letters, 63 (3), 419–425. doi:10.1209/epl/i2003-00549-4
2002
Growth of Fe-based spin aligners on semiconducting substrates.
Zavaliche, F.; Przybylski, M.; Wulfhekel, W.; Grabowski, J.; Scholz, R.; Kirschner, J.
2002. Surface Science, 507-510, 560–566. doi:10.1016/S0039-6028(02)01309-2
Amorphous, low magnetostriction tips for spin-polarized scanning tunneling microscopy.
Wulfhekel, W.; Hertel, R.; Ding, H. F.; Steierl, G.; Kirschner, J.
2002. Journal of Magnetism and Magnetic Materials, 249 (1-2), 368–374. doi:10.1016/S0304-8853(02)00560-7
Tunneling magnetoresistance through a vacuum gap.
Wulfhekel, W.; Ding, H. F.; Kirschner, J.
2002. Journal of Magnetism and Magnetic Materials, 242-245 (Part 1), 47–52. doi:10.1016/S0304-8853
Structure and morphology of concave-shaped surfaces on 6H–SiC(0 0 0 1) after H2 etching.
Dulot, F.; Mansour, L.; Leycuras, A.; Wulfhekel, W.; Sander, D.; D’Avitaya, F. A.; Hanbücken, M.
2002. Applied Surface Science, 187 (3-4), 319–325. doi:10.1016/S0169-4332(01)01048-0
Growth and magnetic properties of Fe films on InP(001).
Wulfhekel, W.; Zavaliche, F.; Kirschner, J.
2002. Physical Review B, 65 (24), 245317/1–9. doi:10.1103/PhysRevB.65.245317
Preferential carbon etching by hydrogen inside hexagonal voids of 6H-SiC(0001).
Wulfhekel, W.; Sander, D.; Hanbücken, M.; Leycuras, A.; Nitsche, S.; Palmari, J. P.; Dulot, D.; d’Avitaya, F. A.
2002. Applied Physics Letters, 81 (19), 3570–3572. doi:10.1063/1.1519962
Ultra sharp domain walls in the closure domain pattern of Co(0001).
Ding, H. F.; Wulfhekel, W.; Kirschner, J.
2002. Europhysics Letters, 57 (1), 100–106. doi:10.1209/epl/i2002-00547-6
2001
Single-crystal magnetotunnel junctions.
Wulfhekel, W.; Klaua, M.; Ullmann, D.; Zavaliche, F.; Kirschner, J.; Urban, R.; Monchesky, T.; Heinrich, B.
2001. Applied Physics Letters, 78 (4), 509–511. doi:10.1063/1.1342778
Relation between structure, stress, and magnetism in Co/W(001).
Wulfhekel, W.; Gutjahr-Loser, T.; Zavaliche, F.; Sander, D.; Kirschner, J.
2001. Physical Review B - Condensed Matter and Materials Physics, 64 (14), Art.Nr. 144422. doi:10.1103/PhysRevB.64.144422
High-resolution magnetic imaging by local tunneling magnetoresistance.
Wulfhekel, W.; Ding, H. F.; Lutzke, W.; Steierl, G.; Vazquez, M.; Marin, P.; Hernando, A.; Kirschner, J.
2001. Applied Physics A: Materials Science and Processing, 72 (4), 463–470. doi:10.1007/s003390100579
Growth, structure, electronic, and magnetic properties of MgO/Fe(001) bilayers and Fe/MgO/Fe(001) trilayers.
Klaua, M.; Ullmann, D.; Barthel, J.; Wulfhekel, W.; Kirschner, J.; Urban, R.; Monchesky, T. L.; Enders, A.; Cochran, J. F.; Heinrich, B.
2001. Physical Review B - Condensed Matter and Materials Physics, 64 (13), Art.Nr. 134411. doi:10.1103/PhysRevB.64.134411
A combined magnetic force and spin-polarized scanning tunneling microscopy study of the closure domain pattern of Co(0001).
Ding, H. F.; Wulfhekel, W.; Chen, C.; Barthel, J.; Kirschner, J.
2001. Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 84 (1-2), 96–101. doi:10.1016/S0921-5107(01)00576-1
Origin of roughening in epitaxial growth of silicon on Si(001) and Ge(001) surfaces.
Wulfhekel, W.; Zandvliet, H. J. W.; Zoethout, E.; Poelsema, B.
2001. Surface Science, 482-485 (1), 391–395. doi:10.1016/S0039-6028(01)00807-X
Single crystal magneto tunnel junctions.
Wulfhekel, W.; Klaua, M.; Ullmann, D.; Zavaliche, F.; Kirschner, J.; Urban, R.; Monchesky, T.; Heinrich, B.
2001. Applied Physics Letters, 78 (4), 509–511 
The relation between Structure, Stress and Magnetism in Co/W(001).
Wulfhekel, W.; Gutjahr-Löser, T.; Zavaliche, F.; Sander, D.; Kirschner, J.
2001. Physical Review B, 64 (14), 144422/1–8 
2000
Suppression of silicide formation in Fe films grown on Si(001).
Wulfhekel, W.; Zavaliche, F.; Xu, H.; Kirschner, J.
2000. Journal of Applied Physics, 88 (9), 5289–5292. doi:10.1063/1.1314311
Nano-patterning of magnetic anisotropy by controlled strain relief.
Wulfhekel, W.; Zavaliche, F.; Porrati, F.; Oepen, H. P.; Kirschner, J.
2000. Europhysics Letters, 49 (5), 651–657. doi:10.1209/epl/i2000-00200-6
1999
Spin-polarized scanning tunneling microscopy on ferromagnets.
Wulfhekel, W.; Kirschner, J.
1999. Applied Physics Letters, 75 (13), 1944–1946. doi:10.1063/1.124879
1998
Diffusion mechanisms and the nature of Si ad-dimers on Ge(001).
Zoethout, E.; Zandvliet, H. J. W.; Wulfhekel, W.; Rosenfeld, G.; Poelsema, B.
1998. Physical Review B - Condensed Matter and Materials Physics, 58 (24), 16167–16171. doi:10.1103/PhysRevB.58.16167
STM tip-induced creation and annihilation of small Ge clusters and missing dimer vacancies on Ge(001).
Zandvliet, H. J. W.; Wulfhekel, W.; Hendriksen, B. L. M.; Hattink, B. J.; Poelsema, B.
1998. Physical Review B - Condensed Matter and Materials Physics, 57 (3), 1356–1358. doi:10.1103/PhysRevB.57.1356
Spontaneous formation of an ordered c(4x2)-(2x1) domain pattern on Ge(001).
Zandvliet, H. J. W.; Swartzentruber, B. S.; Wulfhekel, W.; Hattink, B. J.; Poelsema, B.
1998. Physical Review B - Condensed Matter and Materials Physics, 57 (12), R6803-R6806. doi:10.1103/PhysRevB.57.R6803
Smooth growth fronts in Si/Ge heteroepitaxy by kinetic growth manipulation.
Wulfhekel, W.; Zandvliet, H. J. W.; Hattink, B. J.; Rosenfeld, G.; Comsa, G.; Poelsema, B.
1998. Physical Review B - Condensed Matter and Materials Physics, 58 (23), 15359–15362. doi:10.1103/PhysRevB.58.15359
Growth and morphology of Ni films on Cu(111).
Wulfhekel, W.; Beckmann, I.; Rosenfeld, G.; Poelsema, B.; Comsa, G.
1998. Surface Science, 395 (2-3), 168–181. doi:10.1016/S0039-6028(97)00622-5
Stability of two-dimensional clusters on crystal surfaces: From Ostwald ripening to single-cluster decay.
Rosenfeld, G.; Morgenstern, K.; Beckmann, I.; Wulfhekel, W.; Laegsgaard, E.; Besenbacher, F.; Comsa, G.
1998. Surface Science, 402 (1-3), 401–408. doi:10.1016/S0039-6028(98)00024-7
1997
Step dynamics and equilibrium structure of monoatomic steps on Si(100)-2x1 - Comment.
Zandvliet, H. J. W.; Wulfhekel, W.; Hendriksen, B.; Poelsema, B.
1997. Physical Review B - Condensed Matter and Materials Physics, 56 (7), 4283–4283. doi:10.1103/PhysRevB.56.4283
Dynamics and energetics of Si ad-dimers and ad-dimer clusters on Ge(100).
Wulfhekel, W.; Hattink, B. J.; Zandvliet, H. J. W.; Rosenfeld, G.; Poelsema, B.
1997. Physical Review Letters, 79 (13), 2494–2497. doi:10.1103/PhysRevLett.79.2494
1996
Conventional and manipulated growth of Cu/Cu(111).
Wulfhekel, W.; Lipkin, N. N.; Kliewer, J.; Rosenfeld, G.; Jorritsma, L. C.; Poelsema, B.; Comsa, G.
1996. Surface Science, 348 (3), 227–242. doi:10.1016/0039-6028(95)00988-4
Magnetic anisotropy of Co on Cu(1 1 17).
Wulfhekel, W.; Knappmann, S.; Oepen, H. P.
1996. Journal of Applied Physics, 79 (2), 988–992. doi:10.1063/1.360884
Magnetic anisotropy in Co/Cu(1 1 17): Temperature dependence.
Wulfhekel, W.; Knappmann, S.; Oepen, H. P.
1996. Journal of Magnetism and Magnetic Materials, 163 (3), 267–276. doi:10.1016/S0304-8853(96)00339-3
Manipulation of growth modes in heteroepitaxy: Ni/Cu(111).
Wulfhekel, W.; Beckmann, I.; Lipkin, N. N.; Rosenfeld, G.; Poelsema, B.; Comsa, G.
1996. Applied Physics Letters, 69 (23), 3492–3494. doi:10.1063/1.117222
1995
New Concepts For Controlled Homoepitaxy.
Rosenfeld, G.; Lipkin, N. N.; Wulfhekel, W.; Kliewer, J.; Morgenstern, K.; Poelsema, B.; Comsa, G.
1995. Applied Physics A: Materials Science and Processing, 61 (5), 455–466. doi:10.1007/BF01540247
Ferromagnetic and Para-magnetic Properties of Ultrathin Epitaxial Co/cu Films.
Oepen, H. P.; Knappmann, S.; Wulfhekel, W.
1995. Journal of Magnetism and Magnetic Materials, 148 (1-2), 90–92. doi:10.1016/0304-8853(95)00162-X
1994
Temperature-induced Magnetic Anisotropies In Co/cu(1117).
Wulfhekel, W.; Knappmann, S.; Gehring, B.; Oepen, H. P.
1994. Physical Review B - Condensed Matter and Materials Physics, 50 (21), 16074–16077. doi:10.1103/PhysRevB.50.16074