Intern
    Experimentelle Physik IV

    Before 2005

    Spectroscopic signatures of spin-charge separation in a quasi-one-dimensional organic conductor
    R. Claessen and M. Sing
     Advances in Solid State Physics 44, 241 (2004)

    Local electronic structure of N atoms in Ga(In)AsN by soft-x-ray absorption and emission: Optical efficiency
    V.N. Strocov, P.O. Nilsson, T. Schmitt, R. Claessen, A. Yu. Egorov, V.M. Ustinov, and Zh.I. Alferov
    International Journal of Nanoscience 3, 95 (2004)

    Circular dichroism and bilayer splitting in the normal state of underdoped (Pb,Bi)2Sr2(CaxY1-x)Cu2O8+delta and overdoped (Pb,Bi)2Sr2CaCu2O8+delta
    S.V. Borisenko, A.A. Kordyuk, S. Legner, T.K. Kim, M. Knupfer, C.M. Schneider, J. Fink, M.S. Golden, M. Sing, R. Claessen, Y. Yaresko, H. Berger, C. Grazioli, and S. Turchini
    Physical Review B 69, 224509 (2004)

    One-electron singular branch lines of the 1D Hubbard model
    J.M.P. Carmelo, K. Penc, L.M. Martelo, P.D. Sacramento, J.M. B. Lopos dos Santos, R. Claessen, M. Sing, and U. Schwingenschlögl
    Europhysics Letters 67, 233 (2004)

    Signatures of spin-charge separation in the 1D organic conductor TTF-TCNQ from photoelectron spectroscopy
    R. Claessen, M. Sing, U. Schwingenschlögl and J.M.P. Carmelo
    Journal de Physique IV 114, 51 (2004)

    New method for evaluation of finite-energy few-electron spectral function expressions
    J.M.P. Carmelo, K. Penc, P.D. Sacramento, and R. Claessen
    Journal de Physique IV 114, 45 (2004)

    Electronic quasiparticle renormalization on the spin wave energy scale
    J. Schäfer, D. Schrupp, Eli Rotenberg, K. Rossnagel, H. Koh, P. Blaha, and R. Claessen
    Physical Review Letters 92, 097205 (2004)

    Exotische Elektronen in einer Dimension
    V. Meden and R. Claessen
    Physik Journal 2, 16 (2004)

    Nitrogen local electronic structure in Ga(In)AsN alloys by soft-x-ray absorption and emission: Implications for optical efficiency
    V.N. Strocov, P.O. Nilsson, T. Schmitt, A. Augustsson, L. Gridneva, D. Debowska-Nilsson, R. Claessen, A. Yu. Egorov, V.M. Ustinov, and Zh.I. Alferov
    Physical Review B 69, 035206 (2004)

    Surface electronic structure and Verwey transition of magnetite studied by photoemission spectroscopy
    D. Schrupp, M. Sing, M. Tsunekawa, H. Fujiwara, S. Kasai, A. Sekiyama, S. Suga, T. Muro, V.A.M. Brabers, and R. Claessen
    Annalen der Physik 13, 78 (2004)

    Synthesis and characterisation of B-site doped Cu2Ta4O12
    Bernd Renner, Stefan Ebbinghaus, David Schrupp, Hans-Albrecht Krug von Nidda, Monika Heinrich, Peter Lunkenheimer and Michael Schetter
    Mat. Res. Soc. Symp. Proc. 755, DD4.9.1 (2003)

    Electronic structure of the quasi-one-dimensional organic conductor TTF-TCNQ
    M. Sing, U. Schwingenschlögl, R. Claessen, P. Blaha, J.M.P. Carmelo, L.M. Martelo, P.D. Sacramento, M. Dressel, and C.S. Jacobsen
    Physical Review B 68, 125111 (2003)

    Unoccupied band structure of Bi2Sr2CaCu2O8 by very-low-energy electron diffraction: Origin of the final state effects in photoemission
    V.N. Strocov, R. Claessen, and P. Blaha
    Physical Review B 68, 144509 (2003)

    Unusal spectral behavior of charge density waves with imperfect nesting in a quasi-one-dimensional metal
    J. Schäfer, M. Sing, R. Claessen, Eli Rotenberg, X. Zhou, R.E. Thorne, and S.D. Kevan
    Physical Review Letters 91, 066401 (2003)

    Intrinsic accuracy in 3-dimensional photoemission band mapping
    V.N. Strocov
    Journal of Electron Spectroscopy and Related Phenomena 130, 65 (2003)

    Surface characterization and surface electronic structure of organic quasi-one-dimensional charge transfer salts
    M. Sing, U. Schwingenschlögl, R. Claessen, M. Dressel, and C.S. Jacobsen
    Physical Review B 67, 125402 (2003)

    Atomic correlations in itinerant ferromagnets: quasi-particle bands of nickel
    J. Bünemann, F. Gebhard, T. Ohm, R. Umstaetter, S. Weiser, W. Weber, R. Claessen, D. Ehm, A. Harasawa, A. Kakizaki, A. Kimura, G. Nicolay, S. Shin, and V.N. Strocov
    Europhysics Letters 61, 667 (2003)

    When electrons decay into spin and charge
    R. Claessen

    Physics World 15 (10), 22 (October 2002)

    Band- and k-dependent self-energy effects in the unoccupied and occupied quasiparticle band structure of Cu
    V.N. Strocov, R. Claessen, F. Aryasetiawan, P. Blaha, and P.O. Nilsson
    Physical Review B 66, 195104 (2002)

    Unoccupied band structure of NbSe2 by very-low-energy electron diffraction: Experiment and theory
    E.E. Krasovskii, W. Schattke, V.N. Strocov, and R. Claessen
    Physical Review B 66, 235403 (2002)

    Phenomenological modeling of photoemission spectra in strongly correlated electron systems
    K. Byczuk, R. Bulla, R. Claessen, and D. Vollhardt
    International Journal of Modern Physics B 16, 3759 (2002)

    Electronic structure of GaAs1-xNx alloy by soft-X-ray absorption and emission: Origin of the reduced optical efficiency
    V.N. Strocov, P.O. Nilsson, A. Augustsson, T. Schmitt, D. Debowska-Nilsson, R. Claessen, A.Yu. Egorov, V.M. Ustinov, and Zh.I. Alferov
    Physica status solidi (b), 233, R1 (2002)

    Correlation versus surface effects in photoemission of quasi-1D organic conductors
    R. Claessen, U. Schwingenschlögl, M. Sing, C.S. Jacobsen, and M. Dressel
    Physica B 312-313, 660 (2002)

    Stochiometry and atomic concentration depth profiles in InAs/Si quantum dot systems by Rutherford Backscattering Spectroscopy and Secondary Ion Mass Spectroscopy
    H. Karl, I. Grosshans, A. Wenzel, R. Claessen, G.E. Cirlin, V.A. Egorov, N.K. Polyakov, V.N. Petrov, V.M. Ustinov, N.N. Ledentsov, Zh.I. Alferov, V.N. Strocov, and B. Stritzker
    Nanotechnology 13, 631 (2002)

    Peierls fluctuations in the electron system of a quasi-one-dimensional solid
    J. Schäfer, R. Claessen, E. Rotenberg, S.D. Kevan, P. Blaha, and R.E. Thorne
    Surface Review and Letters 9, 1029 (2002)

    Electronic precursor states of the charge density wave in NbSe3
    J. Schäfer, E. Rotenberg, S.D. Kevan, P. Blaha, R. Claessen, and R.E. Thorne
    Physica B 312-313, 650 (2002)

    Self-energy effects in the unoccupied and occupied electronic structure of Cu
    V.N. Strocov, F. Aryasetiawan, P.O. Nilsson, P. Blaha, J.-M. Themlin, G. Niolay, S. Hüfner, and R. Claessen
    Surface Review and Letters 9, 1281 (2002)

    Three-dimensional band mapping by combined very-low-energy electron diffraction and photoemission
    V.N. Strocov, R. Claessen, H.I. Starnberg, P.O. Nilsson, G. Nicolay, S. Hüfner, P. Blaha, A. Kimura, A. Harasawa, S. Shin, and A. Kakizaki
    Surface Review and Letters 9, 1275 (2002)

    Spectroscopic signatures of spin-charge separation in the quasi-one-dimensional organic conductor TTF-TCNQ
    R. Claessen, M. Sing, U. Schwingenschlögl, P. Blaha, M. Dressel, and C.S. Jacobsen
    Physical Review Letters 88, 096402 (2002)

    Electronic structure of charge transfer salts
    E.Z. Kurmaev, A. Moewes, U. Schwingenschlögl, R. Claessen, M. I. Katsnelson, H. Kobayashi, S. Kagoshima,Y. Misaki, D.L. Ederer, K. Endo, and M. Yanagihara
    Physical Review B 64, 233107 (2001)

    High-temperature symmetry breaking in the electronic band structure of the quasi-one-dimensional solid NbSe3
    J. Schäfer, Eli Rotenberg, S. D. Kevan, P. Blaha, R. Claessen, and R. E. Thorne
    Physical Review Letters 87, 196403 (2001)

    Electronic structure of CeNi2Ge2 investigated by angle-resolved photoemission and density functional calculations
    D. Ehm, F. Reinert, G. Nicolay, S. Schmidt, S. Hüfner, R. Claessen, V. Eyert, and C. Geibel
    Physical Review B 64, 235104 (2001)

    Photoemission from graphite: Intrinsic and self-energy effects
    V.N. Strocov, A. Charrier, J.-M. Themlin, M. Rohlfing, R. Claessen, N. Barrett, J. Avila, J. Sanchez, M.-C. Asensio
    Physical Review B 64, 075105 (2001)

    Electronic structure of the quasi-onedimensional organic conductor TTF-TCNQ
    M. Sing, R. Claessen, Th. Finteis, S. Hao, S. Hüfner, and P. Blaha
    Journal of Electron Spectroscopy and Related Phenomena 114-116, 717 (2001)

    ARPES line shapes in FL and non-FL quasi-low-dimensional inorganic metals
    G.-H. Gweon, J. D. Denlinger, J. W. Allen, R. Claessen, C. G. Olson, H. Höchst, J. Marcus, C. Schlenker, and L. F. Schneemeyer
    Journal of Electron Spectroscopy and Related Phenomena 117-118, 481 (2001)

    Three-dimensional band mapping by angle-dependent Very-Low-Energy Electron Diffraction and photoemission: Methodology and application to Cu
    V.N. Strocov, R. Claessen, G. Nicolay, S. Hüfner, A. Kimura, A. Harasawa, S. Shin, A. Kakizaki, H. I. Starnberg, P. O. Nilsson, and P. Blaha
    Physical Review B 63, 205108 (2001)

    Reply on "Photoemission, subsurfaces and 4f lineshapes in YbInCu4" by J.J. Joyce, A.J. Arko, L.A. Morales, J.L. Sarrao and H. Höchst
    F. Reinert, R. Claessen, G. Nicolay, D. Ehm, S. Hüfner, W.P. Ellis, G.-H. Gweon, J.W. Allen, B. Kindler, and W. Aßmus
    Physical Review B 63, 197101 (2001)

    3D unoccupied band structure of graphite by very-low-energy electron diffraction
    V.N. Strocov, J.-M. Themlin, J.-M. Debever, P. Blaha, H.I. Starnberg, and R. Claessen
    Applied Surface Science 162-163, 508 (2000)

    Three-dimensional unoccupied band structure of graphite: very-low-energy electron diffraction and band calculations
    V.N. Strocov
    , P. Blaha, H.I. Starnberg, M. Rohlfing, R. Claessen, J.-M. Debever, and J.-M. Themlin
    Physical Review B 61, 4994 (2000)

    Absolute determination of bandstructure E(k) by combined very-low-energy electron diffraction and photoemission
    V.N. Strocov
    , H.I. Starnberg, P.O. Nilsson, R. Claessen, S. Hüfner, and J.-M. Themlin
    Czechoslovak Journal of Physics 49, 1631 (1999)

    Photoemission spectroscopy in metals: band structure - Fermi surface - spectral function
    S. Hüfner, R. Claessen, F. Reinert, Th. Straub, V.N. Strocov and P. Steiner
    Journal of Electron Spectroscopy and Related Phenomena 100, 191 (1999)

    The electronic structure of metallic K0.3MoO3 and insulating MoO3 from high-energy spectroscopy
    M. Sing, R. Neudert, H. von Lips, M.S. Golden, M. Knupfer, J. Fink, R.Claessen, J. Mücke, H. Schmitt, S. Hüfner, B. Lommel, W. Assmus, Ch. Jung, and C. Hellwig
    Physical Review B 60, 8559 (1999)

    Charge-density-wave mechanism in 2H-NbSe2: photoemission results
    Th. Straub, Th. Finteis, R. Claessen, P. Steiner, S. Hüfner, P. Blaha, C.S. Oglesby, and E. Bucher
    Physical Review Letters 82, 4504 (1999)

    Electronic structure of 3d transition metal oxides: on-site Coulomb repulsion versus covalency
    R. Zimmermann, P. Steiner, R. Claessen, F. Reinert, S. Hüfner, P. Blaha, and P. Dufek
    Journal of Physics: Condensed Matter 11, 1657 (1999)

    On the Peierls transition in 2H-NbSe2
    Th. Straub, R. Claessen, Th. Finteis, P. Steiner, S. Hüfner, C.S. Oglesby and E. Bucher
    Physica B 259-261, 981 (1999)

    Scaling behavior of Yb 4f photoemission spectra with the characteristic temperature
    F. Reinert, R. Claessen, S. Hüfner, and C. Geibel
    Physica B 259-261, 1128 (1999)

    Fast epitaxy of Au and Ag on WSe2 (0001)
    G. Nicolay, R. Claessen, F. Reinert, V.N. Strocov, S. Hüfner, H. Gao, U. Hartmann, K. Friemelt, and E. Bucher
    Surface Science 432, 95 (1999)

    Absolute band mapping by combined angle-dependent very-low-energy electron diffraction and photoemission: Application to Cu
    V.N. Strocov, R. Claessen,
    G. Nicolay, S. Hüfner, A. Kimura, A. Harasawa, A. Kakizaki, P.O. Nilsson, H.I. Starnberg, and P. Blaha
    Physical Review Letters 81, 4943 (1998)

    Photoemission experiments on YbInCu4: surface effects and temperature dependence
    F. Reinert, R. Claessen, G. Nicolay, D. Ehm, S. Hüfner, W.P. Ellis, G.-H. Gweon, J.W. Allen, and W. Aßmus
    Physical Review B 58, 12808 (1998)

    Electronic structure systematics of 3d transition metal oxides
    R. Zimmermann, P. Steiner, R. Claessen, F. Reinert, and S. Hüfner
    Journal of Electron Spectroscopy and Related Phenomena 96, 179 (1998)