Chatterji, T.; Liß, K. D.; McIntyre, G. J.; Weiden, M.; Hauptmann, R.; Geibel, C.: THE GROUND STATE OF NaV₂O₅. Solid State Communications 108 (1), pp. 23 - 26 (1998)

Donnevert, L.; Hellmann, P.; Thomas, S.; Trovarelli, O.; Geibel, C.; Sparn, G.; Steglich, F.: Development of magnetic order in CeCu₂(Si_1-xGe_x)₂ as a function of hybridization. Journal of Magnetism and Magnetic Materials 177-181, pp. 375 - 376 (1998)

Drescher, K.; Abd-Elmeguid, M. M.; Micklitz, H.; Sanchez, J. P.; Geibel, C.; Steglich, F.: Magnetic frustration in the antiferromagnetic Kondo lattice YbPtAl: Anomalous magnetic behavior at high pressures. Journal of Magnetism and Magnetic Materials 182, pp. L 275 - L 279 (1998)

Dumm, M.; Dressel, M.; Nicklas, M.; Lunkenheimer, P.; Loidl, A.; Weiden, M.; Steglich, F.; Assmann, B.; Homborg, H.; Fulde, P.: Magnetic susceptibility, heat capacity, and optical conductivity of LiPc and LiPcI. European Physical Journal B 6, pp. 317 - 322 (1998)

Fischer, M.; Lemmens, P.; Güntherodt, G.; Weiden, M.; Hauptmann, R.; Geibel, G.; Steglich, F.: Raman scattering on the spin-Peierls compound α′-NaV₂O₅. Physica B 244, pp. 76 - 80 (1998)

Gegenwart, P.; Langhammer, C.; Geibel, C.; Helfrich, R.; Lang, M.; Sparn, G.; Steglich, F.; Horn, R.; Donnevert, L.; Link, A. et al.; Assmus, W.: Breakup of Heavy Fermions on the Brink of "Phase A" in CeCu₂Si₂. Physical Review Letters 81 (7), pp. 1501 - 1504 (1998)

Gloos, K.; Anders, F. B.; Aßmus, W.; Buschinger, B.; Geibel, C.; Kim, J. S.; Menovsky, A. A.; Müller-Reisener, R.; Nuettgens, S.; Schank, C. et al.; Stewart, G. R.; Naidyuk, Y. G.: Lateral-Size Effects and Supercurrent Blockade at Mechanical-Controllable Break Junctions of the Heavy-Fermion Superconductors. Journal of Low Temperature Physics 110 (3/4), pp. 873 - 884 (1998)

Gomez Berisso, M.; Trovarelli, O.; Pedrazzini, P.; Zwicknagl, G.; Geibel, C.; Steglich, F.; Sereni, J. G.: Nonmonotonous evolution of the Kondo temperature in the phase diagram of Ce(Pd_1-xCu_x)₂Si₂. Physical Review B 58 (1), pp. 314 - 321 (1998)

Helfrich, R.; Köppen, M.; Lang, M.; Steglich, F.; Ochiai, A.: New observations concerning the low-temperature properties of the carrier-poor heavy-fermion system Yb₄As₃. Journal of Magnetism and Magnetic Materials 177-181, pp. 309 - 310 (1998)

Köppen, M.; Pankert, D.; Hauptmann, R.; Lang, M.; Weiden, M.; Geibel, C.; Steglich, F.: Interference of a first-order transition with the formation of a spin-Peierls state in α′-NaV₂O₅. Physical Review B 57 (14), pp. 8466 - 8471 (1998)

Kromer, F.; Helfrich, R.; Lang, M.; Steglich, F.; Langhammer, C.; Bach, A.; Michels, T.; Kim, J. S.; Stewart, G. R.: UBe₁₃: Another Phase Transition below T_C? Chinese Journal of Physics 36 (2), pp. 157 - 170 (1998)

Kromer, F.; Helfrich, R.; Lang, M.; Steglich, F.; Langhammer, C.; Bach, A.; Michels, T.; Kim, J. S.; Stewart, G. R.: Revision of the Phase Diagram of Superconducting U_1-xTh_xBe₁₃. Physical Review Letters 81 (20), pp. 4476 - 4479 (1998)

Langhammer, C.; Helfrich, R.; Bach, A.; Kromer, F.; Lang, M.; Michels, T.; Deppe, M.; Steglich, F.; Stewart, G. R.: Evidence for the existence of two variants of UBe₁₃. Journal of Magnetism and Magnetic Materials 177-181, pp. 443 - 444 (1998)

Lemmens, P.; Fischer, M.; Els, G.; Güntherodt, G.; Mishchenko, A. S.; Weiden, M.; Hauptmann, R.; Geibel, C.; Steglich, F.: Magnetic bound states in the quarter-filled ladder system α′-NaV₂O₅. Physical Review B 58 (21), pp. 14159 - 14162 (1998)

Link, A.; Laube, F.; Donnevert, L.; Sparn, G.; Geibel, C.; Steglich, F.: Magnetic to superconducting transition in CeCu₂Si₂ under pressure. Journal of Magnetism and Magnetic Materials 177-181, pp. 401 - 402 (1998)

Naidyuk, Y. G.; Moskalenko, A. V.; Yanson, I. K.; Geibel, C.: Point contact studies of the superconducting gap of CeRu₂. Fizika Nizkih Temperatur 24 (5), pp. 495 - 497 (1998)

Naidyuk, Y. G.; Moskalenko, A. V.; Yanson, I. K.; Geibel, C.: Point contact studies of the superconducting gap of CeRu₂. Low Temperature Physics 24 (5), pp. 374 - 376 (1998)

Palme, P.; Schmidt, S.; Lüthi, B.; Boucher, J. P.; Weiden, M.; Hauptmann, R.; Geibel, C.; Revcolevschi, A.; Dhalenne, G.: High field electron spin resonance experiments on spin-Peierls compounds. Physica B 246-247, pp. 32 - 35 (1998)

Schmidt, S.; Palme, W.; Lüthi, B.; Weiden, M.; Hauptmann, R.; Geibel, C.: Magnetic resonance in the spin-Peierls compound α′-NaV₂O₅. Physical Review B 57 (5), pp. 2687 - 2689 (1998)

Smolinski, H.; Gros, C.; Weber, W.; Peuchert, U.; Roth, G.; Weiden, M.; Geibel, C.: NaV₂O₅ as a Quarter-Filled Ladder Compound. Physical Review Letters 80, pp. 5164 - 5167 (1998)