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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, pp. 140513-1 - 140513-4 (2009)

Nakanishi, T.; Nicklas, M.; Sparn, G.; Steglich, F.: Compact Hydrostatic Pressure Cell for Precise Resistivity Measurements up to 10 GPa Using PPMS. Journal of the Physical Society of Japan - Supplement A 76, pp. 223 - 225 (2007)

Nicklas, M.; Miclea, C. F.; Sarrao, J. L.; Thompson, J. D.; Sparn, G.; Steglich, F.: Influence of Antiferromagnetic Fluctuations on the Fulde-Ferrell-Larkin-Ovchinnikov State in CeCoIn₅. Journal of Low Temperature Physics 146, pp. 669 - 680 (2007)

Nicklas, M.; Miclea, C. F.; Sarrao, J. L.; Thompson, J. D.; Sparn, G.; Steglich, F.: Antiferromagnetic fluctuations and the Fulde-Ferrell-Larkin-Ovchinnikov state in CeCoIn₅. Journal of the Physical Society of Japan - Supplement A 76, pp. 128 - 131 (2007)

Lengyel, E.; Sparn, G.; Nicklas, M.; Jeevan, H. S.; Geibel, C.; Steglich, F.: Heat capacity of CeCu₂Si₂ under hydrostatic pressure. Physica B 378-380, pp. 415 - 416 (2006)

Miclea, C. F.; Nicklas, M.; Parker, D.; Maki, K.; Sarrao, J. L.; Thompson, J. D.; Sparn, G.; Steglich, F.: Pressure Dependence of the Fulde-Ferrell-Larkin-Ovchinnikov State in CeCoIn₅. Physical Review Letters 96, 117001, pp. 117001-1 - 117001-4 (2006)

Miclea, C. F.; Nicklas, M.; Sarrao, J. L.; Sparn, G.; Steglich, F.; Thompson, J. D.: Possible Fulde-Ferrell-Larkin-Ovchinnikov superconducting state in CeCoIn₅: New evidence from pressure studies. Physica B 378-380, pp. 398 - 399 (2006)

Sparn, G.; Stockert, O.; Grosche, F. M.; Yuan, H. Q.; Faulhaber, E.; Geibel, C.; Deppe, M.; Jeevan, H. S.; Loewenhaupt, M.; Zwicknagl, G. et al.; Steglich, F.: Superconducting phases and quantum criticality in CeCu₂Si₂. Journal of Physics and Chemistry of Solids 67 (1-3), pp. 529 - 534 (2006)

Tokiwa, Y.; Gegenwart, P.; Hossain, Z.; Ferstl, J.; Sparn, G.; Geibel, C.; Steglich, F.: Low-temperature high-field magnetization of YbRh₂Si₂ and YbIr₂Si₂ under hydrostatic pressure. Physica B 378-380, pp. 746 - 747 (2006)

Yuan, H. Q.; Grosche, F. M.; Deppe, M.; Sparn, G.; Geibel, C.; Steglich, F.: Non-Fermi Liquid States in the Pressurized CeCu₂(Si_1-xGe_x)₂ System: Two Critical Points. Physical Review Letters 96 (4), 047008, pp. 047008-1 - 047008-4 (2006)

Bauer, E.; Hilscher, G.; Michor, H.; Sieberer, M.; Scheidt, E. W.; Gribanov, A.; Seropegin, Y.; Rogl, P.; Amato, A.; Song, W. Y. et al.; Park, J.-G.; Adroja, D. T.; Nicklas, M.; Sparn, G.; Yogi, M.; Kitaoka, Y.: Unconventional superconductivity and magnetism in CePt₃Si_1-xGe_x. Physica B-Condensed Matter 359-361, pp. 360 - 367 (2005)

Dionicio, G.; Wilhelm, H.; Sparn, G.; Ferstl, J.; Geibel, C.; Steglich, F.: Electrical resistivity of YbRh₂Si₂ at high pressure. Physica B-Condensed Matter 359-361, pp. 50 - 52 (2005)

Nakanishi, T.; Sparn, G.; Jeevan, H. S.; Deppe, M.; Geibel, C.; Steglich, F.: Transport properties of CeCu₂(Si_0.9Ge_0.1)₂ under hydrostatic pressure. Physica B-Condensed Matter 359-361, pp. 157 - 159 (2005)

Nicklas, M.; Sparn, G.; Lackner, R.; Bauer, E.; Steglich, F.: Effect of hydrostatic pressure on the ambient pressure superconductor CePt₃Si. Physica B-Condensed Matter 359-361, pp. 386 - 388 (2005)

Oeschler, N.; Deppe, M.; Lengyel, E.; Borth, R.; Gegenwart, P.; Sparn, G.; Geibel, C.; Steglich, F.: Magnetic phase diagram of CeCu₂(Si_1-xGe_x)₂ measured with low-temperature thermal expansion. Physical Review B 71 (9), pp. 094409-1 - 094409-6 (2005)

Tokiwa, Y.; Gegenwart, P.; Sparn, G.; Ferstl, J.; Geibel, C.; Steglich, F.: Pressure dependence of the low-temperature magnetization of YbRh₂Si₂. Physica B-Condensed Matter 359-361, pp. 29 - 31 (2005)

Tokiwa, Y.; Gegenwart, P.; Radu, T.; Ferstl, J.; Sparn, G.; Geibel, C.; Steglich, F.: Field-Induced Suppression of the Heavy-Fermion State in YbRh₂Si₂. Physical Review Letters 94 (22), 226402, pp. 226402-1 - 226402-4 (2005)

Bauer, E.; Hilscher, G.; Michor, H.; Sieberer, M.; Scheidt, E. W.; Gribanov, A.; Seropegin, Y.; Rogl, P.; Song, W. Y.; Park, J.-G. et al.; Adroja, D. T.; Amato, A.; Nicklas, M.; Sparn, G.; Yogi, M.; Kitaoka, Y.: Novel superconductivity and magnetism in CePt₃Si. Czechoslovak Journal of Physics 54, Suppl. D., pp. D401 - D406 (2004)

Lengyel, E.; Sarrao, J. L.; Sparn, G.; Steglich, F.; Thompson, J. D.: Heat capacity of Ce₂RhIn₈ under hydrostatic pressure. Journal of Magnetism and Magnetic Materials 272-276, pp. 52 - 53 (2004)

Yuan, H. Q.; Grosche, F. M.; Carrillo-Cabrera, W.; Pacheco, V.; Sparn, G.; Baenitz, M.; Schwarz, U.; Grin, Y.; Steglich, F.: Interplay of superconductivity and structural phase transition in the clathrate Ba₆Ge₂₅. Physical Review B 70 (17), pp. 174512-1 - 174512-6 (2004)