Kasinathan, D.; Ormeci, A.; Koch, K.; Burkhardt, U.; Schnelle, W.; Leithe-Jasper, A.; Rosner, H.: AFe₂As₂ (A = Ca, Sr, Ba, Eu) and SrFe_2-xTM_xAs₂ (TM = Mn, Co, Ni): crystal structure, charge doping, magnetism and superconductivity. New Journal of Physics 11, 025023, S. 1 - 27 (2009)

Kerkau, A.; Grüner, D.; Ormeci, A.; Prots, Y.; Borrmann, H.; Schnelle, W.; Bischoff, E.; Grin, Y.; Kreiner, G.: Site Occupation Reversal in the C14 Laves Phase Nb(Cr_1-xCo_x)₂. Zeitschrift für anorganische und allgemeine Chemie 635, S. 637 - 648 (2009)

Khasanov, R.; Maisuradze, A.; Maeter, H.; Kwadrin, A.; Luetkens, H.; Amato, A.; Schnelle, W.; Rosner, H.; Leithe-Jasper, A.; Klauss, H.-H.: Superconductivity and Field-Induced Magnetism in SrFe_1.75Co_0.25As₂. Physical Review Letters 103, 067010, S. 067010-1 - 067010-4 (2009)

Klein, M.; Kroha, J.; von Löhneysen, H.; Stockert, O.; Reinert, F.: Echo of the quantum phase transition of CeCu_6-xAu_x in XPS: Breakdown of Kondo screening. Physical Review B 79, 075111, S. 075111-1 - 075111-4 (2009)

Kniep, R.: Biomimetische Morphogenese und Struktur von Calcit-Statolithen. Biospektrum 15 (5), S. 498 - 500 (2009)

Koch, K.; Kuzian, R. O.; Koepernik, K.; Kondakova, I. V.; Rosner, H.: Analysis of the electric field gradient in the perovskites SrTiO₃ and BaTiO₃: Density functional and model calculations. Physical Review B 80, 125113, S. 125113-1 - 125113-9 (2009)

Kochelaev, B. I.; Belov, S. I.; Skvortsova, A. M.; Kutuzov, A. S.; Sichelschmidt, J.; Wykhoff, J.; Geibel, C.; Steglich, F.: Why could electron spin resonance be observed in a heavy fermion Kondo lattice? European Physical Journal B 72, S. 485 - 489 (2009)

Köhler, U.; Sun, P.; Oeschler, N.; Takabatake, T.; Paschen, S.; Steglich, F.: Field dependence of the thermopower of CeNiSn. Journal of Physics: Conference Series 150, 042096, S. 042096-1 - 042096-4 (2009)

Kovnir, K.; Armbrüster, M.; Teschner, D.; Venkov, T. V.; Szentmiklósi, L.; Jentoft, F. C.; Knop-Gericke, A.; Grin, Y.; Schlögl, R.: In situ surface characterization of the intermetallic compound PdGa - A highly selective hydrogenation catalyst. Surface Science 603, S. 1784 - 1792 (2009)

Kovnir, K.; Osswald, J.; Armbrüster, M.; Teschner, D.; Weinberg, G.; Wild, U.; Knop-Gericke, A.; Ressler, T.; Grin, Y.; Schlögl, R.: Etching of the intermetallic compounds PdGa and Pd₃Ga₇: An effective way to increase catalytic activity? Journal of Catalysis 264, S. 93 - 103 (2009)

Krellner, C.; Burkhardt, U.; Geibel, C.: Interplay between 3d and 4f magnetism in CeCoPO. Physica B 404, S. 3206 - 3209 (2009)

Krellner, C.; Hartmann, S.; Pikul, A.; Oeschler, N.; Donath, J. G.; Geibel, C.; Steglich, F.; Wosnitza, J.: Violation of Critical Universality at the Antiferromagnetic Phase Transition of YbRh₂Si₂. Physical Review Letters 102, 196402, S. 196402-1 - 196402-4 (2009)

Kubo, K.: Variational Monte Carlo study of ferromagnetism in the two-orbital Hubbard model on a square lattice. Physical Review B 79, 020407, S. 020407-1 - 020407-4 (2009)

Kubo, K.: Ferromagnetism and orbital order in the two-orbital Hubbard model. Journal of Physics: Conference Series 150, 042101, S. 042101-1 - 042101-4 (2009)

Kubo, K.; Thalmeier, P.: Multiorbital Effects on Antiferromagnetism in Fe Pnictides. Journal of the Physical Society of Japan 78, 083704, S. 083704-1 - 083704-4 (2009)

Laad, M. S.; Craco, L.; Leoni, S.; Rosner, H.: Electrodynamic response of incoherent metals: Normal phase of iron pnictides. Physical Review B 79, 024515, S. 024515-1 - 024515-14 (2009)

Laad, M. S.; Craco, L.; Taraphder, A.: Towards a possible charge Kondo effect in optical lattices. A Letters Journal Exploring the Frontiers of Physics 88, 20008, S. 20008-p1 - 20008-p6 (2009)

Lengyel, E.; Nicklas, M.; Jeevan, H. S.; Sparn, G.; Geibel, C.; Steglich, F.; Yoshioka, Y.; Miyake, K.: Pressure-induced change of the pairing symmetry in superconducting CeCu₂Si₂. Physical Review B 80, 140513, S. 140513-1 - 140513-4 (2009)

Leoni, S.: Deconstructing Sodalite with Hyperbolic Tilings: A PNS Approach. Zeitschrift für Anorganische und Allgemeine Chemie 635, S. 619 - 623 (2009)

Lorenz, W. E. A.; Kuzian, R. O.; Drechsler, S.-L.; Stein, W.-D.; Wizent, N.; Behr, G.; Málek, J.; Nitzsche, U.; Rosner, H.; Hiess, A. et al.; Schmidt, W.; Klingeler, R.; Loewenhaupt, M.; Büchner, B.: Highly dispersive spin excitations in the chain cuprate Li₂CuO₂. A Letters Journal Exploring the Frontiers of Physics 88, 37002, S. 37002-p1 - 37002-p6 (2009)