Experimentelle Physik IV



    Bulk spin polarization of magnetite from spin-resolved hard x-ray photoelectron spectroscopy
    M. Schmitt, O. Kirilmaz, S. Chernov, S. Babenkov, D. Vasilyev, O. Fedchenko, K. Medjanik, Yu. Matveyev, A. Gloskovskii, C. Schlueter, A. Winkelmann, L. Dudy, H.J. Elmers, G. Schönhense, M. Sing, and R. Claessen
    submitted for publication (Mar 2021)

    Photoemission study on pristine and Ni-doped SrTiO3 thin films
    F. Alarab, K. Hricovini, B. Leikert, L. Nicolai, M. Fanciulli, O. Heckmann, C. Richter, L. Prušakova, Z. Jansa, P. Šutta, J. Rault, P. Lefevre, M. Muntwiller, R. Claessen, and Ján Minár
    submitted for publication (Mar 2021)

    Design and realization of topological Dirac fermions on a triangular lattice
    M. Bauernfeind, J. Erhardt, P. Eck, P.K. Thakur, J. Gabel, T.-L. Lee, J. Schäfer, S. Moser, D. Di Sante, R. Claessen, and G. Sangiovanni
    submitted for publication (Mar 2021)

    Hard X-ray photoemission spectroscopy of LaVO3/SrTiO3: Band alignment and electronic reconstruction
    M. Stübinger, J. Gabel, P. Scheiderer, M. Zapf, M. Schmitt, P. Schütz, B. Leikert, J. Küspert, P. Kumar, T.-L. Lee, M. Sing, and R. Claessen
    submitted for publication (Feb 2021)

    Controlling the electronic interface of AlOx/SrTiO3 heterostructures
    B. Leikert, J. Gabel, M. Schmitt, M. Stübinger, P. Scheiderer, L. Veyrat, T.-L. Lee, M. Sing, and R. Claessen
    submitted for publication (Dec 2020), arXiv:2104.06187


    Room temperature memristive switching in patterned LaAlO3/SrTiO3 nanowires with laterally defined gates
    K. Miller, F. Hartmann, B. Leikert, S. Kuhn, J. Gabel, M. Sing, R. Claessen and S. Höfling
    Appl. Phys. Lett. 118, 153502 (2021)

    Momentum for Catalysis: How Surface Reactions Shape the RuO2 Flat Surface State
    V. Jovic, A. Consiglio, K. E. Smith, C. Jozwiak, A. Bostwick, E. Rotenberg, D. Di Sante, and S. Moser
    ACS Catal. 11, 1749 (2021)


    Electronic structure of epitaxial perovskite films in the two-dimensional limit - role of the surface termination
    P. Schütz, M. Kamp, D. Di Sante, A. Lubk, B. Büchner, G. Sangiovanni, M. Sing, and R. Claessen
    Appl. Phys. Lett. 116, 201601 (2020)

    Atomic-scale interface structure in domain matichung epitaxial BaBiO3 thin films grown on SrTiO3 substrates
    L. Jin, M. Zapf, M. Stübinger, M. Kamp, M. Sing, R. Claessen, and C.L. Jia
    Phys. Status Solidi RRL 2000054 (2020)

    Tomonaga-Luttinger liquid in the edge channels of a quantum spin Hall insulator
    R. Stühler, F. Reis, T. Müller, T. Helbig, T. Schwemmer, R. Thomale, J. Schäfer, and R. Claessen
    Nat. Phys. 16, 47 (2020)

    Light-Induced Renormalization of the Dirac Quasiparticles in the Nodal-Line Semimetal ZrSiSe
    G. Gatti, A. Crepaldi, M. Puppin, N. Tancogne-Dejean, L. Xian, U. De Giovannini, S. Roth, S. Polishchuk, Ph. Bugnon, A. Magrez, H. Berger, F. Frassetto, L. Poletto, L. Moreschini, S. Moser, A. Bostwick, Eli Rotenberg, A. Rubio, M. Chergui, and M. Grioni
    Phys. Rev. Lett. 125, 076401 (2020)

    Tuning transport across MoS2/graphene interfaces via as-grown lateral heterostructures
    S. Subramanian, K. Xu, Y. Wang, S. Moser, N. A. Simonson, D. Deng, V. H. Crespi, S. K. Fullerton-Shirey, and J. A. Robinson
    npj 2D Mater. Appl. 4, 9 (2020)

    Photophysics and Electronic Structure of Lateral Graphene/MoS2 and Metal/MoS2 Junctions
    S. Subramanian, Q. T. Campbell, S. Moser, J. Kiemle, P. Zimmermann, P. Seifert, F. Sigger, D. Sharma, H. Al-Sadeg, M. Labella, D. Waters, R. M. Feenstra, R. J. Koch, C. Jozwiak, A. Bostwick, E. Rotenberg, I. Dabo, A. W. Holleitner, T. E. Beechem, U. Wurstbauer, and J. A. Robinson
    ACS Nano 14, 16663 (2020)

    Radial Spin Texture of the Weyl Fermions in Chiral Tellurium
    G. Gatti, D. Gosálbez-Martínez, S. S. Tsirkin, M. Fanciulli, M. Puppin, S. Polishchuk, S. Moser, L. Testa, E. Martino, S. Roth, Ph. Bugnon, L. Moreschini, A. Bostwick, C. Jozwiak, E. Rotenberg, G. Di Santo, L. Petaccia, I. Vobornik, J. Fujii, J. Wong, D. Jariwala, H. A. Atwater, H. M. Rønnow, M. Chergui, O. V. Yazyev, M. Grioni, and A. Crepaldi
    Phys. Rev. Lett. 125, 216402 (2020)

    Orbital-Driven Rashba Effect in a Binary Honeycomb Monolayer AgTe
    M. Ünzelmann, H. Bentmann, P. Eck, T. Kißlinger, B. Geldiyev, J. Rieger, S. Moser, R. C. Vidal, K. Kißner, L. Hammer, M. A. Schneider, T. Fauster, G. Sangiovanni, D. Di Sante, and F. Reinert
    Phys. Rev. Lett. 124, 176401 (2020)


    Tailoring the topological surface state in ultrathin α-Sn (111) films
    V.A. Rogalev, F. Reis, F. Adler, M. Bauernfeind, J. Erhardt, A. Kowalewski, M.R. Scholz, L. Dudy, L.B. Dudy, T. Hesjedal, M. Hoesch, G. Bihlmayer, J. Schäfer, and R. Claessen
    Phys. Rev. B 100, 245144 (2019)

    Effects of finite-range interactions on the one-electron spectral properties of TTF-TCNQ
    J.M.P. Carmelo, T. Čadež, D.K. Campbell, M. Sing, and R. Claessen
    Phys. Rev. B 100, 245202 (2019)

    Correlation-driven charge order in a frustrated two-dimensional atom lattice
    F. Adler, S. Rachel, M. Laubach, J. Maklar, A. Fleszar, J. Schäfer, and R. Claessen
    Phys. Rev. Lett. 123, 086401 (2019)

    Structural and stoichiometric modifications in ultrathin epitaxial BaBiO3 films
    M. Zapf, S. Elsässer, M. Stübinger, P. Scheiderer, J. Geurts, M. Sing, and R. Claessen
    Phys. Rev. B 99, 245308 (2019)

    Non-trivial topological valence bands of common diamond and zinc-blende semiconductors
    T. Rauch, V.A. Rogalev, M. Bauernfeind, J. Maklar, F. Reis, F. Adler, S. Moser, J. Weis, T.-L. Lee, P.K. Thakur, J.Schäfer, R. Claessen, J. Henk, and I. Mertig
    Phys. Rev. Materials 3, 064203 (2019)

    Imaging the formation of ferromagnetic domains at the LaAlO3/SrTiO3 interface
    Y. Motoyui, T. Taniuchi, P. Scheiderer, L. Jiyeon, J. Gabel, F. Pfaff, M. Sing, M. Lippma, R. Claessen, and S. Shin
    J. Phys. Soc. Jpn. 88, 034717 (2019)

    Towards topological quasi-freestanding stanene via substrate engineering
    D. Di Sante, P. Eck, M. Bauernfeind, M. Will, R. Thomale, J. Schäfer, R. Claessen, and G. Sangiovanni
    Phys. Rev. B 99, 035145 (2019)

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    Regular Au-induced atomic wires on stepped Ge(hhk) surfaces
    T. Wagner, J. Aulbach, J. Schäfer, and R. Claessen
    Phys. Rev. Materials 2, 123402 (2018)

    Theoretical paradigm for the quantum spin Hall effect at high temperatures
    G. Li, W. Hanke, E.M. Hankiewicz, J. Schäfer, R. Claessen, C.-J. Wu, and R. Thomale
    Phys. Rev. B 98, 165146 (2018)

    Testing topological protection of edge states in bismuthene on SiC
    F. Dominguez, B. Scharf, G. Li, J. Schäfer, R. Claessen, W. Hanke, R. Thomale, and E.M. Hankiewicz
    Phys. Rev. B 98, 161407(R) (2018)

    New HAXPES applications at PETRA III
    C. Schlueter, A. Gloskovskii, K. Ederer, S. Piec, M. Sing, R. Claessen, C.M. Schneider, C. Wiemann, K. Medjanik, G. Schönhense, P. Amann, A. Nilsson, and W. Drube
    Synchrotron Radiation News 31, 29 (2018)

    A living-dead magnetic layer at the surface of ferrimagnetic DyTiO3 thin films
    R. Aeschlimann, D. Preziosi, P. Scheiderer, M. Sing, S. Valencia, J. Santamaria, C. Luo, H. Ryll, F. Radu, R. Claessen, C. Piamonteze, and M. Bibes
    Adv. Mat. 30, 1707489 (2018)

    Electron mobility in γ-Al2O3/SrTiO3
    D.V. Christensen,Y. Frenkel, P. Schütz, F. Trier, S. Wissberg, R. Claessen, B. Kalisky, A. Smith, Y.Z. Chen, and N. Pryds
    Phys. Rev. Applied 9, 054004 (2018)

    Tailoring materials for Mottronics: Excess oxygen doping of a prototypical Mott insulator
    P. Scheiderer, M. Schmitt, J. Gabel, M. Zapf, M. Stübinger, L. Dudy, C. Schlueter, T.-L. Lee, M. Sing, and R. Claessen
    Adv. Mat. 30, 1706708 (2018)

    Photoelectron spectroscopy of transition-metal oxide interfaces 
    M. Sing and R. Claessen
    in: C. Cancellieri and V.N. Strocov (eds.), "Spectroscopy of Complex Oxide Interfaces - Photoemission and Related Spectroscopies" (Springer, 2018)

    Controlling the local electronic properties of Si(553)-Au through hydrogen doping
    C. Hogan, E. Speiser, S. Chandola, S. Suchkova, J. Aulbach, J. Schäfer, S. Meyer, R. Claessen, and N. Esser
    Phys. Rev. Lett. 120, 166801 (2018)

    Theory-restricted resonant x-ray reflectometry of quantum materials
    K. Fürsich, V.B. Zabalotnyy, E. Schierle, L. Dudy, O. Kirilmaz, M. Sing, R. Claessen, R.J. Green, M.W. Haverkort, and V. Hinkov
    Phys. Rev. B 97, 165126 (2018)

    Domain matching epitaxy of BaBiO3 on SrTiO3 with structurally modified interface
    M. Zapf, M. Stübinger, L. Jin, M. Kamp, F. Pfaff, A. Lubk, B. Büchner, M. Sing, and R. Claessen
    Appl. Phys. Lett. 112, 141601 (2018)

    The topological surface state of α-Sn on InSb(001) as studied by photoemission
    M.R. Scholz, V.A. Rogalev, L. Dudy, F. Reis, F. Adler, J. Aulbach, L.J. Collins-McIntyre, L.B. Duffy, H.F. Yang, Y.L. Chen, T. Hesjedal, Z.K. Liu, M. Hoesch, S. Muff, J.H. Dil, J. Schäfer, and R. Claessen
    Phys. Rev. B 97, 075101 (2018)

    Raman and fluorescence contributions to resonant inelastic soft x-ray scattering on LaAlO3/SrTiO3 heterostructures
    F. Pfaff, H. Fujiwara, G. Berner, A. Yamasaki, H. Niwa, H. Kiuchi, A. Gloskovskii, W. Drube, O. Kirilmaz, A. Sekiyama, J. Miyawaki, Y. Harada, S. Suga, M. Sing, and R. Claessen
    Phys. Rev. B 97, 035110 (2018)

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    Dimensionality-driven metal-insulator-transition in spin-orbit coupled SrIrO3
    P. Schütz, D. Di Sante, L. Dudy, J. Gabel, M. Stübinger, M. Kamp, Y. Huang, M. Capone, M.-A. Husanu, V.N. Strocov, G. Sangiovanni, M. Sing, and R. Claessen
    Phys. Rev. Lett. 119, 256404 (2017)

    Photoemission of buried metal oxide interfaces
    M. Sing, book chapter in N. Pryds, V. Esposito (eds.): Metal Oxide-Based Thin Film Structures, Metal Oxides Series ed. by G. Korotcenkov, Elsevier 2017

    Microscopic origin of the mobility enhancement at a spinel/perovskite oxide heterointerface revealed by photoemission spectroscopy
    P. Schütz, D.V. Christensen, V. Borisov, F. Pfaff, P. Scheiderer, L. Dudy, M. Zapf, J. Gabel, Y.Z. Chen, N. Pryds, V. Rogalev, V. Strocov, C. Schlueter, T.-L. Lee, V. Borisov, H.O. Jeschke, R. Valentí, M. Sing, and R. Claessen
    Phys. Rev. B 96, 161409(R) (2017)

    One-dimensional quantum matter: Gold-induced nanowires on semiconductor surfaces
    L. Dudy, J. Aulbach, T. Wagner, J. Schäfer, and R. Claessen
    J. Phys.: Condens. Matter (Topical Review) 29, 433001 (2017)

    Parity-breaking in a double atomic chain system
    J. Aulbach, S.C. Erwin, J. Kemmer, M. Bode, J. Schäfer, and R. Claessen
    Phys. Rev. B 96, 081406(R) (2017)

    Bismuthene on a SiC substrate: A candidate for a high-temperature quantum spin Hall material
    F. Reis, G. Li, L. Dudy, M. Bauernfeind, S. Glass, W. Hanke, R. Thomale, J. Schäfer, and R. Claessen
    Science 357, 287 (2017)

    Influence of oxygen vacancies on two-dimensional electron systems at SrTiO3-based interfaces and surfaces
    M. Sing, H.O. Jeschke, F. Lechermann,  Roser Valentí, and R. Claessen
    Eur. Phys. J. - Special Topics 226, 2457 (2017)

    Disentangling specific and generic doping mechanisms for oxide heterostructures 
    J. Gabel, M. Zapf, P. Scheiderer, P. Schütz, L. Dudy, M. Stübinger, C. Schlueter, T.-L. Lee, M. Sing, and R. Claessen
    Phys. Rev. B 95, 195109 (2017)

    Double band inversion in α-Sn: Appearance of topological surface states and the role of orbital composition
    V.A. Rogalev, T. Rauch, M.R. Scholz, F. Reis, L. Dudy, A. Fleszar, M.-A. Husanu, V.N. Strocov, J. Henk, I. Mertig, J. Schäfer, and R. Claessen
    Phys. Rev. B 95, 161117(R) (2017)

    Gate-tunable, normally-on to normally-off memristance transition in patterned LaAlO3/SrTiO3 interfaces
    P. Maier, F. Hartmann, J. Gabel, M. Frank, S. Kuhn, P. Scheiderer, B. Leikert, M. Sing, L. Worschech, R. Claessen, and S. Höfling
    Appl. Phys. Lett. 110, 093506 (2017)

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    Two-dimensional interaction of spin chains in the Si(553)-Au nanowire system
    B. Hafke, T. Frigge, T. Witte, B. Krenzer, J. Aulbach, J. Schäfer, R. Claessen, S.C. Erwin, and M. Horn-von Hoegen
    Phys. Rev. B 94, 161403(R) (2016)

    Three-dimensional electronic structures and the metal-insulator transition in Ruddlesden-Popper iridates 
    A. Yamasaki, H. Fuijiwara, S. Tachibana, D. Iwasaki, Y. Higashino, C. Yoshimi, K. Nakagawa, Y. Nakatani, K. Yamagami, H. Aratani, O. Kirilmaz, M. Sing, R. Claessen, H. Watanabe, T. Shirakawa, A. Naitoh, K. Takase, J. Matsuno, A. Sekiyama, and Y. Saitoh
    Phys. Rev. B 94, 115103 (2016)

    In situ control of separate electronic phases on SrTiO3-surfaces by oxygen dosing
    L. Dudy, M. Sing, P. Scheiderer, J.D. Denlinger, P. Schütz, J. Gabel, M. Buchwald, C. Schlueter, T.-L. Lee, and R. Claessen 
    Adv. Mat. 28, 7443 (2016)

    Atomic-scale mapping of layer-by-layer hydrogen etching and passivation of SiC(0001) substrates
    S. Glass, F. Reis, M. Bauernfeind, J. Aulbach, M. Scholz, F. Adler, L. Dudy, G. Li, R. Claessen, and J. Schäfer 
    J.  Phys. Chem. C 120, 10361 (2016)

    Two-dimensional crossover and strong coupling of plasmons in arrays of one-dimensional atomic wires
    T. Lichtenstein, J. Aulbach, J. Schäfer, R. Claessen, C. Tegenkamp, and H. Pfnür
    Phys. Rev. B 93, 161408(R) (2016)

    Spin chains and electron transfer at stepped silicon surfaces
    J. Aulbach, S.C. Erwin, R. Claessen, and J. Schäfer
    Nano Lett. 16, 2698 (2016)

    Two-dimensional but not flat: an all-boron graphene with a corrugated structure
    R.D. Dewhurst, R. Claessen, and H. Braunschweig
    Angew. Chem. Int. Ed. 55, 4866 (2016) 
    Angew. Chem. 128, 4948 (2016) 

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    Surface/interface coupling in an oxide heterostructure: impact of adsorbates on LaAlO3/SrTiO3
    P. Scheiderer, F. Pfaff, J. Gabel, M. Kamp, M. Sing, and R. Claessen
    Phys. Rev. B 92, 195422 (2015)

    Dimensionality-tuned electronic structure of nickelate superlattices explored by soft-x-ray angle-resolved photoelectron spectroscopy
    G. Berner, M. Sing, F. Pfaff, E. Benckiser, M. Wu, G. Christiani, G. Logvenov, H.-U. Habermeier, M. Kobayashi, V.N. Strocov, T. Schmitt, H. Fujiwara, A. Sekiyama, S. Suga, B. Keimer, and R. Claessen
    Phys. Rev. B 92, 125130 (2015)

    Triangular spin-orbit-coupled lattice with strong Coulomb correlations: Sn atoms on a SiC(0001) substrate
    S. Glass, G. Li, F. Adler, J. Aulbach, A. Fleszar, R. Thomale, W. Hanke, R. Claessen, and J. Schäfer
    Phys. Rev. Lett. 114, 247602 (2015)

    Band bending and alignment at the spinel/perovskite γ-Al2O3/SrTiO3 heterointerface
    P. Schütz, F. Pfaff, P. Scheiderer, Y.Z. Chen, N. Pryds, M. Gorgoi, M. Sing, and R. Claessen
    Phys. Rev. B 91, 165118 (2015)

    Monitoring non-pseudomorphic epitaxial growth of spinel/perovskite oxide heterostructures by reflection high-energy electron diffraction
    P. Schütz, F. Pfaff, P. Scheiderer, M. Sing, and R. Claessen
    Appl. Phys. Lett. 106, 063108 (2015)

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    Electronic reconstruction at the isopolar LaTiO3/LaFeO3 interface: An x-ray photoemission and density-functional theory study
    J. E. Kleibeuker, Z. Zhong, H. Nishikawa, J. Gabel, A. Müller, F. Pfaff, M. Sing, K. Held, R. Claessen, G. Koster, and G. Rijnders
    Physical Review Letters 113, 237402 (2014) 

    Valence band and core level photoemission of Au/Ge(001): Band mapping and bonding sites
    S. Meyer, L. Dudy, J. Schäfer, C. Blumenstein, P. Höpfner, T.E. Umbach, A. Dollinger, X.Y. Cui, L. Patthey, and R. Claessen
    Physical Review B 90, 125409 (2014) 

    Bulk nature of layered perovskite iridates beyond the Mott scenario: An approach from a bulk-sensitive photoemission study
    A. Yamasaki, H. Fujiwara, A. Higashiya, A. Irizawa, O. Kirilmaz, F. Pfaff, P. Scheiderer, J. Gabel, M. Sing, T. Muro, M. Yabashi, K. Tamasaku, H. Sato, H. Namatame, M. Taniguchi, A. Hloskovskyy, H. Yoshida, H. Okabe, M. Isobe, J. Akimitsu, W. Drube , R. Claessen, T. Ishikawa, S. Imada, A. Sekiyama, and S. Suga
    Physical Review B 89, 121111(R) (2014)

    Interface-induced modulation of charge and polarization in thin film Fe3O4
    H. Tian, J. Verbeeck, S. Brück, M. Paul, D. Kufer, M. Sing, R. Claessen, and G. Van Tendeloo
    Advanced Materials 26, 461 (2014) 

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    Elemental topological insulator with tunable Fermi level: Strained α-Sn on InSb(001)
    A. Barfuss, L. Dudy, M. R. Scholz, H. Roth, P. Höpfner, C. Blumenstein, G. Landolt, J. H. Dil, N. C. Plumb, M. Radovic, A. Bostwick, E. Rotenberg, A. Fleszar, G. Bihlmayer, D. Wortmann, G. Li, W. Hanke, R. Claessen, and J. Schäfer
    Physical Review Letters 111, 157205 (2013)

    Evidence for long-range spin order instead of a Peierls transition in Si(553)-Au chains
    J. Aulbach, J. Schäfer, S.C. Erwin, S. Meyer, C. Loho, J. Settelein, and R. Claessen
    Physical Review Letters 111, 137203 (2013)

    Band alignment in LaAlO3/SrTiO3 oxide heterostructures inferred from hard x-ray photoelectron spectroscopy
    G. Berner, A. Müller, F. Pfaff, J. Walde, C. Richter J. Mannhart, S. Thiess, A. Glosgovskii, W. Drube, M. Sing, and R. Claessen
    Physical Review B 88, 115111 (2013)

    Direct k-space mapping of the electronic structure in an oxide-oxide interface
    G. Berner, M. Sing, H. Fujiwara, A. Yasui, Y. Saitoh, A. Yamasaki, Y. Nishitani, A. Sekiyama, N. Pavlenko, T. Kopp, C. Richter, J. Mannhart, S. Suga, and R. Claessen
    Physical Review Letters 110, 247601 (2013)

    Absence of metallicity in K-doped picene: Importance of electronic correlations
    A. Ruff, M. Sing, R. Claessen, H. Lee, M. Tomić, H.O. Jeschke, and R. Valentí
    Physical Review Letters 110, 216403 (2013)

    Magnetic order in a frustrated two-dimensional atom lattice at a semiconductor surface
    G. Li, P. Höpfner, J. Schäfer, C. Blumenstein, S. Meyer, A. Bostwick, E. Rotenberg, R. Claessen, and W. Hanke
    Nature Communications 4, 1620 (2013)

    Polaron physics and crossover transition in magnetite probed by pressure-dependent infrared spectroscopy 
    J. Ebad-Allah, L. Baldassarre, M. Sing, R. Claessen, V.A.M. Brabers, and C.A. Kuntscher
    Journal of Physics: Condensed Matter 25, 035602 (2013)

    Au-induced quantum chains on Ge(001) - symmetries, long-range order, and conduction path
    C. Blumenstein, S. Meyer, S. Mietke, J. Schäfer, A. Bostwick, R. Matzdorf, and R. Claessen
    Journal of Physics: Condensed Matter 25, 014015 (2013)

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    Momentum spectrometer for electron-electron coincidence studies on superconductors
    R. Wallauer, S. Voss, L. Foucar, T. Bauer, D. Schneider, J. Titze, B. Ulrich, K. Kreidi, N. Neumann, T. Havermeier, M. Schäffler, T. Jahnke, A. Czasch, L. Schmidt, A. Kanigel, J.-C. Campuzano, H. Jeschke, R. Valenti, A. Müller, G. Berner, M. Sing, R. Claessen, H. Schmidt-Böcking, and Reinhard Dörner
    Review of Scientific Instruments 83, 103905 (2012)

    Pressure dependence of the Verwey transition in magnetite: An infrared spectroscopic point of view
    J. Ebad-Allah, L. Baldassarre, M. Sing, R. Claessen, V.A.M. Brabers, and C.A. Kuntscher
    Journal of Applied Physics 112, 073524 (2012)

    Surface phonons of Ge(001) and their correlation with the p(2×1) and c(4×2) reconstruction, evidenced by Raman spectroscopy
    J. Räthel, E. Speiser, N. Esser, U. Bass, S. Meyer, J. Schäfer, and J. Geurts
    Physical Review B 86, 035312 (2012)

    Structural examination of Au/Ge(001) by surface x-ray diffraction and scanning tunneling microscopy
    S. Meyer, T.E. Umbach, C. Blumenstein, J. Schäfer, R. Claessen, S. Sauer, S.J. Leake, P.R. Willmott, M. Fiedler, and F. Bechstedt
    Physical Review B 85, 235439 (2012)

    Unoccupied electronic structure of TiOCl studied by x-ray absorption near-edge spectroscopy
    S. Glawion, M.W. Haverkort, G. Berner, M. Hoinkis, G. Gavrila, R. Kraus, M. Knupfer, M. Sing and R. Claessen
    Journal of Physics: Condensed Matter 24, 255602 (2012)

    Electrons do the split
    R. Claessen
    Nature 485, 46 (2012)

    Three-dimensional spin rotations at the Fermi surface of a strongly spin-orbit coupled surface system
    P. Höpfner, J. Schäfer, A. Fleszar, J.H. Dil, B. Slomski, F. Meier, C. Loho, C. Blumenstein, L. Patthey, W. Hanke, and R. Claessen
    Physical Review Letters 108, 186801 (2012), Editors´ Suggestion

    Debate over dispersion direction in a Tomonaga-Luttinger-liquid system: Reply
    C. Blumenstein, J. Schäfer, S. Mietke, S. Meyer, A. Dollinger, M. Lochner, X.Y. Cui, L. Patthey, R. Matzdorf, and R. Claessen
    Nature Physics 8, 174 (2012)

    Magnetic and electronic properties of the interface between half metallic Fe3O4 and semiconducting ZnO
    S. Brück, M. Paul, H. Tian, A. Müller, D. Kufer, C. Praetorius, K. Fauth, P. Audehm, E. Goering, J. Verbeeck, G. van Tendeloo, M. Sing, and R. Claessen
    Applied Physics Letters 100, 081603 (2012)

    Magnetometry of buried layers – linear magnetic dichroism and spin detection in angular resolved hard x-ray photoelectron spectroscopy
    A. Gloskovskii, G. Stryganyuk, G.H. Fecher, C. Felser, S. Thiess, H. Schulz-Ritter, W. Drube, G. Berner, M. 
    Sing, R. Claessen, and M. Yamamoto
    Journal of Electron Spectroscopy and Related Phenomena 185, 47 (2012)

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    Surface structure, morphology, and growth mechanism of Fe3O4/ZnO thin films
    M. Paul, D. Kufer, A. Müller, A. Ruff, M. Kamp, N.J.C. Ingle, M. Sing, and R. Claessen
    Journal of Applied Physics 110, 073519 (2011)

    Fe3O4 on ZnO: A spectroscopic study of film and interface properties
    A. Müller, A. Ruff, M. Paul, A. Wetscherek, G. Berner, U. Bauer, C. Praetorius, K. Fauth, M. Przybylski, M. Gorgoi, M. Sing, and R. Claessen
    Thin Solid Films 520, 368 (2011)

    Symmetry-breaking phase transition without Peierls mechanism in conducting monoatomic chains
    C. Blumenstein, J. Schäfer, M. Morresi, S. Mietke, R. Matzdorf, and R. Claessen
    Physical Review Letters 107, 165702 (2011)

    High purity chemical etching and thermal passivation process for Ge(001) as nanostructure template
    C. Blumenstein, S. Meyer, A. Ruff, B. Schmid, J. Schäfer and R. Claessen
    Journal of Chemical Physics 135, 064201 (2011)

    Two-spinon and orbital excitations of the spin-Peierls system TiOCl
    S. Glawion, J. Heidler, M.W. Haverkort, L.C. Duda, T. Schmitt, V.N. Strocov, C. Monney, K. J. Zhou, A. Ruff, M. Sing, and R. Claessen
    Physical Review Letters 107, 107402 (2011)

    Atomically controlled quantum chains hosting a Tomonaga-Luttinger liquid
    C. Blumenstein, J. Schäfer, S. Mietke, S. Meyer, A. Dollinger, M. Lochner, X.Y. Cui, L. Patthey, R. Matzdorf, and R. Claessen
    Nature Physics 7, 776 (2011)

    Electronic band structure of the two-dimensional metallic electron system Au/Ge(111)
    P. Höpfner, J. Schäfer, A. Fleszar, S. Meyer, C. Blumenstein, T. Schramm, M. Heßmann, X. Cui, L. Patthey, W. Hanke, and R. Claessen
    Physical Review B 83, 235435 (2011)

    Strictly one-dimensional electron system in Au chains on Ge(001) revealed by photoelectron k-space mapping
    S. Meyer, J. Schäfer, C. Blumenstein, P. Höpfner, A. Bostwick, J.L. McChesney, E. Rotenberg, and R. Claessen
    Physical Review B 83, 121411(R) (2011)

    Photoemission of a doped Mott insulator: Spectral weight transfer and a qualitative Mott-Hubbard description
    M. Sing, S. Glawion, M. Schlachter, M.R. Scholz, K. Goß, J. Heidler, G. Berner, and R. Claessen
    Physical Review Letters 106, 056403 (2011)

    Fe3O4/ZnO: A high-quality magnetic oxide-semiconductor heterostructure by reactive deposition
    M. Paul, D. Kufer, A. Müller, S. Brück, E. Goering, M. Kamp, J. Verbeeck, H. Tian, G. van Tendeloo, N.J.C. Ingle, M. Sing, and R. Claessen 
    Applied Physics Letters 98, 012512 (2011)

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    X-ray absorption measurements on nanoparticle systems: self assembled arrays and dispersions
    C. Antoniak, A. Warland, M. Darbandi, M. Spasova, A. Trunova, K. Fauth, E.F. Aziz, M. Farle and H. Wende
    J. Phys. D: Appl. Phys. 43, 474007 (2010)

    Resonant inelastic x-ray scattering on LaAlO3/SrTiO3 oxide heterostructures
    G. Berner, S. Glawion, J. Walde, F. Pfaff, H. Hollmark, L.-C. Duda, S. Paetel, C. Richter, J. Mannhart, M. Sing, and R. Claessen
    Physical Review B 82, 241405(R) (2010)

    Two pressure-induced structural phase transitions in TiOCl
    J. Ebad-Allah, A. Schönleber, S. van Smaalen, M. Hanfland, M. Klemm, S. Horn, S. Glawion, M. Sing, R. Claessen, and C. A. Kuntscher
    Physical Review B 82, 134117 (2010)

    Structural components of the Pt/Si(111) sqrt(3) x sqrt(3) surface from scanning tunneling microscopy
    P. Höpfner, M. Wisniewski, F. Sandrock, J. Schäfer, and R. Claessen
    Physical Review B 82, 075431 (2010)

    Composition dependence of exchange stiffness in FexPt1-x alloys
    C. Antoniak, J. Lindner, K. Fauth, J.-U. Thiele, J. Min'ar, S. Mankovsky, H. Ebert, M. Farle and H. Wende
    Physical Review B 82, 064403 (2010)

    Final-state effects in high-resolution angle-resolved photoemission from Ni(110)
    X.Y. Cui, E.E. Krasovskii, V.N. Strocov, A. Hofmann, J. Schäfer, R. Claessen and L. Patthey
    Physical Review B 81, 245118 (2010)

    Possible metallization of the Mott insulators TiOCl and TiOBr: effects of doping and external pressure
    C.A. Kuntscher, M. Klemm, S. Horn, M. Sing and R. Claessen
    European Physical Journal (Special Topics) 180, 29 (2010)

    Coupling of Fe and uncompensated Mn moments in exchange-biased Fe/MnPd
    S. Brück, S. Macke, E. Goering, X. Ji, Q. Zhan, and K. M. Krishnan
    Physical Review B 81, 134414 (2010)

    Forcing ferromagnetic coupling between rare earth and 3d ferromagnetic films
    B. Sanyal, C. Antoniak, T. Burkert, B. Krumme, A. Warland, F. Stromberg, C. Praetorius, K. Fauth, H. Wende, O. Eriksson
    Physical Review Letters 104, 156402 (2010)

    Heat conductivity of the spin-Peierls compounds TiOCl and TiOBr
    N. Hlubek, M. Sing, S. Glawion, R. Claessen, S. van Smaalen, P.H.M. van Loosdrecht, B. Büchner, and C. Hess
    Physical Review B 81, 144428 (2010); also Virtual Journal of Nanoscale Science & Technology 21, 19 (2010)

    Anisotropic crystal field, Mott gap, and interband excitations in TiOCl: an electron energy-loss study
    R. Kraus, B. Büchner, M. Knupfer, S. Glawion, M. Sing and R. Claessen
    Physical Review B 81, 125133 (2010)

    First-principles studies of Au-induced nanowires on Ge(001)
    S. Sauer, F. Fuchs, F. Bechstedt, C. Blumenstein, J. Schäfer
    Physical Review B 81, 075412 (2010)

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    Possible metallization of the Mott insulators TiOCl and TiOBr: Effects of doping and external pressure
    C.A. Kuntscher, M. Klemm, S. Horn, M. Sing and R. Claessen
    European Physical Journal (Special Topics) 180, 29 (2009)

    Magnetic properties of Fe nanoclusters on Cu(111) studied with X-ray magnetic circular dichroism
    K. Fauth, G.E. Ballentine, C. Praetorius, A. Kleibert, N. Wilken, A. Voitkans, K.-H. Meiwes-Broer
    Physica Status Solidi B 247, 1170 (2010)

    Filling of the Mott-Hubbard gap in the oxyhalides TiOCl and TiOBr induced by external pressure
    C.A. Kuntscher, J. Ebad-Allah, A. Pashkin, S. Frank, M. Klemm, S. Horn, A. Schönleber, S. van Smaalen, M. Hanfland, S. Glawion, M. Sing and R. Claessen
    High Pressure Research 29, 509 (2009)

    Infrared studies of magnetite under high pressure
    J. Ebad-Allah, L. Baldassarre, M. Sing, R. Claessen, V.A.M. Brabers, and C.A. Kuntscher
    High Pressure Research 29, 500 (2009)

    Self-organized atomic nanowires of noble metals on germanium: atomic structure and electronic properties
    J. Schäfer, S. Meyer, C. Blumenstein, K. Roensch, R. Claessen, S. Mietke, M. Klinke, T. Podlich, R. Matzdorf, A. Stekolnikov, S. Sauer, and F. Bechstedt
    New Journal of Physics 11, 125011 (2009)

    Hard x-ray photoelectron spectroscopy of oxide hybrid and heterostructures: a new method for the study of buried interfaces
    R. Claessen, M. Sing, M. Paul, G. Berner, A. Wetscherek, A. Müller and W. Drube
    New Journal of Physics 11, 125007 (2009)chosen for IOP Select

    Local atomic order and element-specific magnetic moments of Fe3Si thin films on MgO(001) and GaAs(001) substrates
    B. Krumme, C. Weis, H. C. Herper, F. Stromberg, C. Antoniak, A. Warland, E. Schuster, P. Srivastava, M. Walterfang, K. Fauth, J. Minár, H. Ebert, P. Entel, W. Keune, and H. Wende
    Physical Review B 80, 144403 (2009)

    Electronic structure of the two-dimensional Heisenberg antiferromagnet VOCl: a multiorbital Mott insulator
    S. Glawion, M.R. Scholz, Y.-Z. Zhang, R. Valentí, T. Saha-Dasgupta, M. Klemm, J. Hemberger, S. Horn, M. Sing and R. Claessen
    Physical Review B 80, 155119 (2009)

    Inhomogeneous alloying in FePt nanoparticles as a reason for reduced magnetic moments
    C. Antoniak, M. Spasova, A. Trunova, K. Fauth, F. Wilhelm, A. Rogalev, J. Minar, H. Ebert, M. Farle and H. Wende
    Journal of Physics: Condensed Matter 21, 336002 (2009)

    Momentum-resolved single-particle spectral function for TiOCl from a combination of density functional and variational cluster calculations
    M. Aichhorn, T. Saha-Dasgupta, R. Valenti, S. Glawion, M. Sing and R. Claessen
    Physical Review B 80, 115129 (2009)

    Probing the interface of Fe3O4/GaAs thin films by hard x-ray photoelectron spectroscopy
    M. Paul, A. Müller, A. Ruff, B. Schmid, G. Berner, M. Sing, R. Claessen and M. Mertin
    Physical Review B 79, 233101 (2009)

    Renormalization of bulk magnetic electron states at high binding energies
    A. Hofmann, X.Y. Cui, J. Schäfer, S. Meyer, P. Höpfner, C. Blumenstein, M. Paul, L. Patthey, E. Rotenberg, J. Bünemann, F. Gebhard, T. Ohm, W. Weber, and R. Claessen
    Physical Review Letters 102, 187204 (2009)

    Complex magnetic phase in submonolayer Fe stripes on Pt(997)
    J. Honolka, T.Y. Lee, K. Kuhnke, D. Repetto, V. Sessi, P. Wahl, A. Buchsbaum, P. Varga, S. Gardonio, C. Carbone, S. R. Krishnakumar, P. Gambardella, M. Komelj, R. Singer, M. Fähnle, K. Fauth, G. Schütz, A. Enders, and K. Kern
    Physical Review B 79, 104430 (2009)

    Time-resolved X-ray microscopy of nanoparticle aggregates under oscillatory shear
    G. K. Auernhammer, K. Fauth, B. Ullrich, J. Zhao, M. Weigand and D. Vollmer
    Journal of Synchrotron Radiation 16, 307 (2009)

    High magnetic coercivity in a single atomically thin FePt alloy layer
    J. Honolka, T.Y. Lee, K. Kuhnke, A. Enders, R. Skomski, S. Bornemann, S. Mankovsky, J. Minar, J. Staunton, H. Ebert, M. Hessler, K. Fauth, G. Schütz, A. Buchsbaum, M. Schmid, P. Varga and K. Kern
    Physical Review Letters 102, 067207 (2009)

    Profiling the interface electron gas of LaAlO3/SrTiO3 heterostructures by hard X-ray photoelectron spectroscopy
    M. Sing, G. Berner, K. Goß, A. Müller, A. Ruff, A. Wetscherek, S. Thiel, J. Mannhart, S.A. Pauli, C.W. Schneider, P.R. Willmott, M. Gorgoi, F. Schäfers, and R. Claessen
    Physical Review Letters 102, 176805 (2009)

    Ti oxyhalides: A playground for electron correlation physics
    S. Glawion, M. Sing and R. Claessen
    Physica B 404, 530 (2009)

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    Spatial dependence of the dichroism of photoemission of Fe1/4TiTe2 upon excitation with circularly polarized radiation
    Yu.M. Yarmoshenko, T.V. Kuznetsova, A.V. Postnikov, A.N. Titov, S.G. Titova, V.V. Fedorenko, P. Vilmercati, A. Goldoni, and R. Claessen
    Physics of the Solid State 50, 2190 (2008)

    New model system for a one-dimensional electron liquid: Self-organized atomic gold chains on Ge(001)
    J. Schäfer, C. Blumenstein, S. Meyer, M. Wisniewski and R. Claessen
    Physical Review Letters 101, 236802 (2008)Editors´ Suggestion

    Surface segregation of interstitial manganese in Ga1−xMnxAs studied by hard X-ray photoemission spectroscopy
    B. Schmid, A. Müller, M. Sing, R. Claessen, J. Wenisch, K. Brunner, L. Molenkamp, and W. Drube
    Physical Review B 78, 075319 (2008)

    Mott-Hubbard gap closure and structural phase transition in the oxyhalides TiOBr and TiOCl under pressure
    C.A. Kuntscher, A. Pashkin, H. Hoffmann, S. Frank, M. Klemm S. Horn, A. Schönleber, S. van Smaalen, M. Hanfland, S. Glawion, M. Sing and R. Claessen
    Physical Review B 78, 035106 (2008)

    Atomic nanowires on the Pt/Ge(001) surface: Buried Pt-Ge versus top Pt-Pt chains
    A. Stekolnikov, F. Bechstedt, M. Wisniewski, J. Schäfer and R. Claessen
    Physical Review Letters 100, 196101 (2008)

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    Superparamagnetism in small Fe clusters on Cu(111)
    G. Ballentine, M. Heßler, M. Kinza and K. Fauth
    European Physical Journal D 45, 535 (2007)

    One-pot synthesis of core-shell FeRh nanoparticles
    D. Ciuculescu, C. Amiens, M. Respaud, A. Falqui, P. Lecante, R. E. Benfield, L. Jiang, K. Fauth and B. Chaudret
    Chemistry of Materials 19, 4624 (2007)

    Pressure-induced metallization and structural phase transition of the Mott-Hubbard insulator TiOBr
    C.A. Kuntscher, S. Frank, A. Pashkin, H. Hoffmann, A. Schönleber, S. van Smaalen, M. Hanfland, S. Glawion, M. Klemm, M. Sing, S. Horn, and R. Claessen
    Physical Review B 76, 241101(R) (2007)

    Structural vs. electronic origin of renormalized band widths in TTF-TCNQ: An angular dependent NEXAFS study
    M. Sing, J. Meyer, M. Hoinkis, S. Glawion, P. Blaha, G. Gavrila, C. S. Jacobsen, and R. Claessen
    Physical Review B 76, 245119 (2007)

    Spatially resolved magnetic response in core shell nanoparticles
    K. Fauth, E. Goering and L. Theil Kuhn
    Modern Physics Letters B 21, 1197 (2007)

    Chemical composition of core shell nanoparticles determined with x-ray absorption and magnetic circular dichroism
    K. Fauth
    Modern Physics Letters B 21, 1179 (2007)

    Cluster dynamical mean-field calculations for TiOCl 
    T. Saha-Dasgupta, A. Lichtenstein, M. Hoinkis, S. Glawion, M. Sing, R. Claessen and R. Valentí
    New Journal of Physics 9, 380 (2007)

    Negative refraction observed in a metallic ferromagnet in the Gigahertz frequency range
    A. Pimenov, A. Loidl, K. Gehrke, V. Moshnyaga and K. Samwer
    Physical Review Letters 98, 197401 (2007)

    Thermodynamic stability, atomic and electronic structure of reduced Fe3O4 (111) single crystal surfaces
    M. Paul, M. Sing, R. Claessen, D. Schrupp and V.A.M. Brabers
    Physical Review B 76, 075412 (2007)

    The magnetic moment of Fe in oxide-free FePt nanoparticles
    O. Dmitrieva, M. Spasova, C. Antoniak, M. Acet, G. Dumpich, J. Kästner, M. Farle, K. Fauth, U. Wiedwald, H.-G. Boyen
    Physical Review B 76, 064414 (2007)

    One-dimensional versus two-dimensional correlation effects in the oxyhalides TiOCl and TiOBr
    M. Hoinkis, M. Sing, S. Glawion, L. Pisani, R. Valentí, S. van Smaalen, M. Klemm, S. Horn, and R. Claessen
    Physical Review B 75, 245124 (2007)

    Spin-polarized standing waves at an electronically matched interface detected by Fermi surface photoemission
    J. Schäfer, M. Hoinkis, E. Rotenberg, P. Blaha, and R. Claessen
    Physical Review B 75, 092401 (2007); also Virtual Journal of Nanoscale Science & Technology 15, 11 (2007)

    Lowering of the L10 ordering temperature of FePt nanoparticles by He+ ion irradiation
    U. Wiedwald, A. Klimmer, B. Kern, L. Han, H,-G. Boyen, P. Ziemann and K. Fauth
    Applied Physics Letters 90, 062508 (2007)

    Vortex dynamics in permalloy disks with artificial defects: Suppression of the gyrotropic mode
    K. Kuepper, L. Bischoff, Ch. Akhmadaliev, J. Fassbender, H. Stoll, K. W. Chou, A. Puzic, K. Fauth, D. Dolgos, G. Schütz, B. Van Waeyenberge, T. Tyliszczak, I. Neudecker, G. Woltersdorf, C. H. Back
    Applied Physics Letters 90, 062506 (2007)

    Muon-spin relaxation measurements on the dimerized spin-1/2 chains NaTiSi2O6 and TiOCl
    P.J. Baker, S.J. Blundell, F.L. Pratt, T. Lancaster, M.L. Brooks, W. Hayes, M. Isobe, Y. Ueda, M. Hoinkis, M. Sing, M. Klemm, S. Horn, and R. Claessen
    Physical Review B 75, 094404 (2007)

    A micellar approach to magnetic ultra-high density data storage media – extending the limits of current colloidal methods
    A. Ethirajan, U. Wiedwald, H.-G. Boyen, B. Kern, L. Han, A. Klimmer, F. Weigl, G. Kästle, P. Ziemann, K. Fauth, J. Cai, J. Behm, P. Oelhafen, P. Walther, J. Biskupek, U. Kaiser
    Advanced Materials 19, 406 (2007)

    Photoemission on quasi-one-dimensional solids: Peierls, Luttinger & Co.
    R. Claessen, J. Schäfer and M. Sing
    In Very High Resolution Photoelectron Spectroscopy, ed. S. Hüfner, 
    Lecture Notes in Physics, Vol. 715 (Springer, Berlin, 2007)

    Band mapping in one-step photoemission theory: Multi-Bloch wave structure of final states and interference effects
    E.E. Krasovskii, V.N. Strocov, N. Barett, H. Berger, W. Schattke, and R. Claessen
    Physical Review B 75, 045432 (2007)

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    Three-dimensional band structure in layered TiTe2: Photoemission final-state effects
    V.N. Strocov, E.E. Krasovskii, W. Schattke, N. Barett, H. Berger, D. Schrupp and R. Claessen
    Physical Review B 74, 195125 (2006)

    Pressure-induced insulator-to-metal transition in low-dimensional TiOCl
    C.A. Kuntscher, S. Frank, A. Pashkin, M. Hoinkis, M. Klemm, M. Sing, S. Horn, and R. Claessen
    Physical Review B 74, 184402 (2006)

    Enhancement of L10 Phase Formation in FePt Nanoparticles by Nitrogenization
    O. Dmitrieva, M. Acet, G. Dumpich, J. Kästner, C. Antoniak, M. Farle and K. Fauth
    Journal of Physics D 39, 4741 (2006)

    Electronic quasiparticles and evolution of Fermi level spin states in thin magnetic layers
    J. Schäfer, M. Hoinkis, D. Schrupp, E. Rotenberg, P. Blaha, and R. Claessen
    Surface Science 600, 3912 (2006)

    Conduction states with vanishing dimerization in Pt nanowires on Ge(001) observed with scanning tunneling microscopy
    J. Schäfer, D. Schrupp, M. Preisinger, and R. Claessen
    Physical Review B 74, 041404(R) (2006); also Virtual Journal of Nanoscale Science & Technology 14, 6 (2006)

    Enhanced orbital magnetism in Fe50Pt50 nanoparticles
    C. Antoniak, J. Lindner, M. Spasova, D. Sudfeld, M. Acet, M. Farle, K. Fauth, U. Wiedwald, H.-G. Boyen, P. Ziemann, F. Wilhelm, A. Rogalev and S. Sun
    Physical Review Letters 97, 117201 (2006)

    The Hubbard model description of the photoemission TCNQ singular features in TTF-TCNQ
    J.M.P. Carmelo, K. Penc, P.D. Sacramento, M. Sing and R. Claessen
    Journal of Physics: Condensed Matter 18, 5191 (2006)

    Incommensurate structure of the spin-Peierls compound TiOCl
    A. Krimmel, J. Strempfer, B. Bohnenbuck, B. Keimer, M. Hoinkis, M. Klemm, S. Horn, A. Loidl, M. Sing, R. Claessen and M. v. Zimmermann
    Physical Review B 73, 172413 (2006)

    Spin dynamics in the low-dimensional magnet TiOCl
    D.V. Zakharov, J. Deisenhofer, H.-A. Krug von Nidda, P. Lunkenheimer, J. Hemberger, M. Hoinkis, M. Klemm, M. Sing, R. Claessen, M.V. Eremin, S. Horn, and A. Loidl
    Physical Review B 73, 094452 (2006)

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    Electronic structure of the spin-1/2 quantum magnet TiOCl
    M. Sing, M. Hoinkis, J. Schäfer, M. Klemm, S. Horn, H. Benthien, E. Jeckelmann, L. Pisani, R. Valentí, and R. Claessen
    Journal de Physique IV 131, 331 (2005)

    From Colloidal Co/CoO Core-Shell Nanoparticles to Arrays of Metallic Nanomagnets: Surface Modification and Magnetic Properties
    U. Wiedwald, K. Fauth, M. Heßler, H.-G. Boyen, F. Weigl, M. Hilgendorff, M. Giersig, G. Schütz, P. Ziemann and M. Farle
    ChemPhysChem 6, 2522 (2005)

    Electronic structure of the spin-1/2 quantum magnet TiOCl
    M. Hoinkis, M. Sing, J. Schäfer, M. Klemm, S. Horn, H. Benthien, E. Jeckelmann, T. Saha-Dasgupta, L. Pisani, R. Valentí, and R. Claessen
    Physical Review B 72, 125127 (2005)

    Fermi surface and electron correlation effects of ferromagnetic iron
    J. Schäfer, M. Hoinkis, E. Rotenberg, P. Blaha, and R. Claessen
    Physical Review B 72, 155115 (2005)

    GdN thin films: Bulk and local electronic and magnetic properties
    F. Leuenberger, A. Parge, W. Felsch, K. Fauth, and M. Hessler
    Physical Review B 72, 014427 (2005)

    Terahertz conductivity at the Verwey transition in magnetite
    A. Pimenov, S. Tachos, T. Rudolf, A. Loidl, D. Schrupp, M. Sing, R. Claessen, and V.A.M. Brabers
    Physical Review B 72, 035131 (2005)

    Heat capacity of the quantum magnet TiOCl
    J. Hemberger, M. Hoinkis, M. Klemm, M. Sing, R. Claessen, S. Horn, and A. Loidl
    Physical Review B 72, 012420 (2005)

    Identification of extrinsic Mn contributions to the x-ray magnetic circular dichroism of Ga1-xMnxAs
    O. Rader, K. Fauth, G. Schott, G. Schmidt, F. Kronast, W. Gudat, G. Schütz and L. Molenkamp
    Journal of Electron Spectroscopy and Related Phenomena 144, 789 (2005)

    GaSb/GaAs quantum dot systems: In situ synchrotron radiation XPS study
    V.N. Strocov, G.E. Cirlin, J. Sadowski, and R. Claessen
    Nanotechnology 16, 1326 (2005)

    High-energy photoemission on Fe3O4: Small polaron physics and the Verwey transition
    D. Schrupp, M. Sing, M.Tsunekawa, H. Fujiwara, S. Kasai, A. Sekiyama, S. Suga, T. Muro, V.A.M. Brabers, and R. Claessen
    Europhysics Letters 70, 789 (2005)

    Electronic and magnetic properties of ligand-free FePt nanoparticles
    H.-G. Boyen, K. Fauth, B. Stahl, M. Heßler, J. Ellrich, G. Kästle, F. Weigl, H. Hahn, F. Banhart, G. Schütz, M. Büttner, M. G. Garnier, P. Oelhafen and P. Ziemann
    Advanced Materials 17, 578 (2005)

    Electronic interactions and phase transitions at surfaces and in low dimensions
    J. Schäfer, D. Schrupp, E. Rotenberg, and R. Claessen
    Applied Physics A 80, 965 (2005)

    The spin-Peierls transition in TiOCl
    M. Shaz, S. van Smaalen, L. Palatinus, M. Hoinkis, M. Klemm, S. Horn, and R. Claessen
    Physical Review B 71, 100405(R) (2005)

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