Scientific Commons: F. Steglich

Pressure-induced change of the pairing symmetry in superconducting CeCu2Si2 (2009)

Lengyel, E., Nicklas, M., Jeevan, H. S., Sparn, G., Geibel, C., Steglich, F., ...

Low-temperature (T) heat-capacity measurements under hydrostatic pressure of up to p=2.1 GPa have been performed on single-crystalline CeCu2Si2. A broad superconducting (SC) region exists in the T-p...

Quantum Griffiths phase in CePd(1-x)Rh(x) with x ~ 0.8 (2009)

Brando, M., Westerkamp, T., Deppe, M., Gegenwart, P., Geibel, C., Steglich, F.

The magnetic field dependence of the magnetisation ($M$) and the temperature dependence of the ac susceptibility ($\chi' = dM/dH$) of CePd(1-x)Rh(x) single crystals with $0.80 \leq x \leq 0.86$ are...

$H - T$ phase diagram of YbCo$_{2}$Si$_{2}$ with $H // $[100] (2009)

Pedrero, L., Brando, M., Klingner, C., Krellner, C., Geibel, C., Steglich, F.

We report on the first high-resolution dc-magnetisation ($M$) measurements on a single crystal of \ycs. $M$ was measured down to 0.05 K and in fields up to 12 T, with the magnetic field $H$ parallel...

Development of the critical exponent at the antiferromagnetic phase transition of YbRh2Si2 under chemical pressure (2009)

Krellner, C., Klingner, C., Geibel, C., Steglich, F.

We present specific-heat measurements in the vicinity of the antiferromagnetic phase transition on single crystals of the alloy Yb(Rh_{1-x}Co_x)2Si2 for x

Quantum criticality in layered CeRhIn_{5-x}Sn_x compared with cubic CeIn$_{3-x}Sn_x (2009)

Donath, J. G., Steglich, F., Bauer, E. D., Ronning, F., Sarrao, J. L., Gegenwart, P.

We report low-temperature thermal-expansion measurements on single crystals of the {\it layered} heavy fermion system \cri ($0.3\leq x \leq 0.6$) and compare it with a previous study on the related...

Low temperature properties of the Electron Spin Resonance in YbRh2Si2 (2009)

Sichelschmidt, J., Kambe, T., Fazlishanov, I., Zakharov, D., Wykhoff, J., ...

We present the field and temperature behavior of the narrow Electron Spin Resonance (ESR) response in YbRh2Si2 well below the single ion Kondo temperature. The ESR g factor reflects a Kondo-like...

Why could Electron Spin Resonance be observed in a heavy fermion Kondo lattice? (2009)

Kochelaev, B. I., Belov, S. I., Skvortsova, A. M., Kutuzov, A. S., Sichelschmidt, J., Wykhoff, J., ...

We develop a theoretical basis for understanding the spin relaxation processes in Kondo lattice systems with heavy fermions as experimentally observed by electron spin resonance (ESR). The Kondo...

Electrical resistivity ofYb(Rh1-xCox)2Si2 single crystals at low temperatures (2009)

Friedemann, S., Oeschler, N., Krellner, C., Geibel, C., Steglich, F.

We report low-temperature measurements of the electrical resistivity of Yb(Rh1-xCox)2Si2 single crystals with 0

Magnetization study on the field-induced quantum critical point in YbRh_2Si_2 (2009)

Tokiwa, Y., Geibel, C., Steglich, F., Gegenwart, P.

We study the field-induced quantum critical point (QCP) in YbRh$_2$Si$_2$ by low-temperature magnetization, $M(T)$, and magnetic Gr\"uneisen ratio, $\Gamma_{\rm mag}$, measurements and compare the...

Kondo-Cluster-Glass State near a Ferromagnetic Quantum Phase Transition (2009)

Westerkamp, T., Deppe, M., Kuechler, R., Brando, M., Geibel, C., Gegenwart, P., ...

We report on a comprehensive study of CePd$_{1-x}$Rh$_x$ $(0.6 \leq x \leq 0.95)$ poly- and single crystals close to the ferromagnetic instability by means of low-temperature ac susceptibility,...

Violation of critical universality at the antiferromagnetic phase transition of YbRh2Si2 (2009)

Krellner, C., Hartmann, S., Pikul, A., Oeschler, N., Donath, J. G., Geibel, C., ...

We report on precise low-temperature specific-heat measurements, C(T), of YbRh2Si2 in the vicinity of the antiferromagnetic phase transition on a single crystal of superior quality (RRR 150). We...

Extreme vortex pinning in the non-centrosymmetric superconductor CePt$_{3}$Si (2009)

Miclea, C. F., Mota, A. C., Nicklas, M., Cardoso, R., Steglich, F., Sigrist, M., ...

We report on the vortex dynamics of a single crystal of the non-centrosymmetric heavy-fermion superconductor CePt$_{3}$Si. Decays of the remnant magnetization display a clean logarithmic time...

Phase transitions and rare-earth magnetism in hexagonal and orthorhombic $DyMnO_{3}$ single crystals (2009)

Harikrishnan, S, Roessler, S, Kumar, CM Naveen, Bhat, HL, Roessler, UK, Wirth, S, ...

The floating-zone method with different growth ambiences has been used to selectively obtain hexagonal or orthorhombic DyMnO3 single crystals. The crystals were characterized by x-ray powder...

Phase Transition and Anomalous Low Temperature Ferromagnetic Phase in Pr0.6Sr0.4MnO3 Single Crystals (2009)

Roessler, S, Harikrishnan, S, Kumar, CM Naveen, Bhat, HL, Elizabeth, Suja, Roessler, UK, ...

We report on the magnetic and electrical properties of Pr0.6Sr0.4MnO3 single crystals. This compound undergoes a continuous paramagnetic-ferromagnetic transition with a Curie temperature T C∼301 K...

Phase transitions and rare-earth magnetism in hexagonal and orthorhombic DyMnO3 single crystals (2009)

Harikrishnan, S., Rößler, S., Kumar, C. M. N., Bhat, H. L., Rößler, U. K., Wirth, S., ...

Phase transitions and rare-earth magnetism in hexagonal and orthorhombic DyMnO3 single crystals (2009)

Harikrishnan, S., Rößler, S., Naveen Kumar, C. M., Bhat, H. L., Rößler, U. K., Wirth, S., ...

Divergence of the Magnetic Grüneisen Ratio at the Field-Induced Quantum Critical Point in YbRh2Si2 (2009)

Tokiwa, Y., Radu, T., Geibel, C., Steglich, F., Gegenwart, P.

Precursor state to superconductivity in CeIrIn5: Unusual scaling of magnetotransport (2009)

Nair, S., Nicklas, M., Steglich, F., Sarrao, J.L., Thompson, J.D., Schofield, A.J., ...

Detaching the antiferromagnetic quantum critical point from the Fermi-surface reconstruction in YbRh2Si2 (2009)

Friedemann, S., Westerkamp, T., Brando, M., Oeschler, N., Wirth, S., Gegenwart, P., ...

Violation of Critcal Universality at the Antiferromagnetic Phase Transition of YbRh2Si2 (2009)

Krellner, C., Hartmann, S., Pikul, A., Oeschler, N., Donath, J. G., Geibel, C., ...

Kondo-Cluster-Glass State near a Ferromagnetic Quantum Phase Transition (2009)

Westerkamp, T., Deppe, M., Küchler, R., Brando, M., Geibel, C., Gegenwart, P., ...

FeSb2: Prototype of huge electron-diffusion thermoelectricity (2009)

Sun, P., Oeschler, N., Johnsen, S., Brummerstedt Iversen, B., Steglich, F.

Evidence for a reentrant superconducting state in EuFe2As2 under pressure (2009)

Miclea, C.F., Nicklas, M., Jeevan, H.S., Kasinathan, D., Hossain, Z., Rosner, H., ...

Thermoelectric transport properties of highly oriented FeSb2 thin films (2009)

Sun, Y., Johnsen, S., Eklund, P., Sillassen, M., Bøttiger, J., Oeschler, N., ...

Thermoelectric transport properties of highly oriented FeSb2 thin films (2009)

Sun, Y, Johnsen, S, Eklund, Per, Sillassen, M, Bottiger, J, Oeschler, N, ...

Highly textured FeSb2 films were produced on quartz wafers by a sputtering method. Their resistivity and Seebeck coefficient (S) were measured and a maximum absolute value of S similar to 160 mu V...

Thermoelectric Power of Correlated Compounds (2009)

Oeschler, N., Hartmann, S., Köhler, U., Deppe, M., Sun, P., Steglich, F.

Kerspin-Resonanz-Spektroskopie als lokale Sonde: Untersuchungen zu Struktur und Magnetismus intermetallischer Phasen (2009)

Haarmann, F., Baenitz, M., Brüning, E., Geibel, C., Goebel, T., Jelič, P., ...

Quantum criticality in layered CeRhIn5-xSnx compared with cubic CeIn3-xSnx (2009)

Donath, J.D., Steglich, F., Bauer, E.D., Ronning, F., Sarrao, J.L., Gegenwart, P.

Divergence of the Magnetic Gr\"{u}neisen Ratio at the Field-Induced Quantum Critical Point in YbRh$_2$Si$_2$ (2008)

Tokiwa, Y., Radu, T., Gegenwart, P., Geibel, C., Steglich, F.

The heavy fermion compound YbRh$_2$Si$_2$ is studied by low-temperature magnetization $M(T)$ and specific-heat $C(T)$ measurements at magnetic fields close to the quantum critical point ($H_c=0.06$...

(fl=350mJ/molK (2007)

J. Diehl, S. Klimm, H. Davideit, E. Baur, S. Horn, U. Klinger, ...

We have performed magnetoresistance and Hall effect measurements on ternary Yb-based heavy fermion compounds: YbCu 4 X (X=Ag, Au and Pd) and YbNiAl

Dimensional crossover of quantum critical behavior in CeCoIn$_5$ (2007)

Donath, J. G., Gegenwart, P., Steglich, F., Bauer, E. D., Sarrao, J. L.

The nature of quantum criticality in CeCoIn$_5$ is studied by low-temperature thermal expansion $\alpha(T)$. At the field-induced quantum critical point at H=5 T a crossover scale $T^\star\approx...

Field-induced suppression of the heavy-fermion state in YbRh_2Si_2 (2005)

Tokiwa, Y., Gegenwart, P., Radu, T., Ferstl, J., Sparn, G., Geibel, C., ...

We report DC magnetization measurements on YbRh_2Si_2 at temperatures down to 0.04K, magnetic fields B

First order superconducting phase transition in CeCoIn$_5$ (2002)

Bianchi, A., Movshovich, R., Oeschler, N., Gegenwart, P., Steglich, F., Thompson, J. D., ...

We investigated the magnetic field dependence of the superconducting phase transition in heavy fermion CeCoIn_5 (T_c = 2.3 K) using specific heat, magneto-caloric effect, and thermal expansion...

The effect of composition on the occurence of a second phase transition in the vicinity of Tc in CeCu§2Si§2. (1995)

Modler, R., Lang, M., Geibel, C., Schank, C., Müller-Reisener, R., Hellmann, P., ...

Proc.of the Conf.on Strongly Correlated Electron Systems, Amsterdam, NL, August 15-18, 1994

Dilatometrische Untersuchungen im supraleitenden Zustand von CeRu§2. (1995)

Modler, R., Deppe, M., Lang, M., Weiden, M., Onuki, Y., Steglich, F.

150 Jahre Deutsche Physikalische Gesellschaft : 59.Physikertagung gemeinsam mit der Frühjahrstagung DPG des Arbeitskreises Festkörperphysik, Berlin, 20.-24.März 1995

Equality of the entropies of the low-temperature zero-field upturn and the in-field Schottky anomalies in the specific heat of YBa§2Cu§3O§7. (1995)

Woodfield, B.F., Fisher, R.A., Phillips, N.E., Caspary, R., Hellmann, P., Steglich, F., ...

Physica C, 234(1994) S.380-84

Konkurrierende Phasen in CeCu§2Si§2. (1994)

Modler, R., Lang, M., Assmus, W., Sun, W., Bruls, G., Wolf, B., ...

Frühjahrstagung des Arbeitskreises Festkörperphysik bei der DPG, gemeinsame Tagung mit der Österreichischen Physikalischen Gesellschaft -Fachausschuss Festkörperphysik-, Nederlandse Natuurkundige...

Kritische Stromdichte und Relaxationsphänomene an YBa§2Cu§3O§7§-§d§e§l§t§a Einkristallen. (1994)

Lüdecke, J., Köhler, R., Steglich, F., Wolf, T., Küpfer, H.

Frühjahrstagung des Arbeitskreises Festkörperphysik bei der DPG, gemeinsame Tagung mit der Österreichischen Physikalischen Gesellschaft -Fachausschuss Festkörperphysik-, Nederlandse Natuurkundige...

Unusual B-T phase diagram of the heavy-fermion superconductor CeCu§2Si§2. (1994)

Bruls, G., Wolf, B., Finsterbusch, D., Thalmeier, P., Kouroudis, I., Sun, W., ...

Physical Review Letters, 72(1994) S.1754-57

Thermal expansion of the heavy-fermion superconductor UNi§2Al§3. (1994)

Modler, R., Lang, M., Geibel, C., Schank, C., Steglich, F.

Physica B, 199-200(1994) S.145-47

Transport properties of UPd§2Al§3, UNi§2Al§3 and YBa§2Cu§3O§7§-§d§e§l§t§a at low temperatures. (1993)

Hiess, A., Petersen, K., Bredl, C.D., Sparn, G., Geibel, C., Schank, C., ...

13th General Conf.of the Condensed Matter Division of the European Physical Society in Conjunction with Arbeitskreis Festkoerperphysik Deutsche Physikalische Gesellschaft, Regensburg, March 29 -...

Low temperature specific heat of YBa§2Cu§3O§7. (1993)

Caspary, R., Hellmann, P., Steglich, F., Wolf, T.

Proc.of the 4th Internat.Conf.on the Physics of Transition Metals (ICPTM-4), Darmstadt, July 20-24, 1992

Strong time dependence of the sample length of YBa§2Cu§3O§7§-§d§e§l§t§a between 30 and 70K. (1992)

Lang, M., Kuersch, R., Steglich, F., Tachiki, M., Wolf, T.

Proc.of the 3rd Internat.Conf.on Materials and Mechanisms of Superconductivity High-Temperature Superconductors (M2S-HTSC), Kanazawa, J, July 22 - 26, 1991 Part II

Thermal expansion derived lattice instabilities near maximum T§c in high-T§c cuprates. (1992)

Lang, M., Kuersch, R., Steglich, F., Wolf, T., Maeno, Y., Kumagai, K., ...

Proc.of the 3rd Internat.Conf.on Materials and Mechanisms of Superconductivity High-Temperature Superconductors (M2S-HTSC), Kanazawa, J, July 22 - 26, 1991 Part II

Anisotropic low-temperature heat transport in YBa§2Cu§3O§6§.§9 single crystal. (1992)

Bredl, C.D., Petersen, K., Arnold, S., Sparn, G., Steglich, F., Takahashi, S., ...

Zeitschrift fuer Physik B, 86(1992) S.187-91

Lattice instabilities in cuprate superconductors: a possible limiting mechanism for T§c. (1992)

Lang, M., Kuersch, R., Grauel, A., Geibel, C., Steglich, F., Rietschel, H., ...

Physical Review Letters, 69(1992) S.482-85

Evidence for an intrinsic linear term in the T-dependence of the thermal conductivity of superconducting YBa§2Cu§3O§7 and Bi§2Sr§2CaCu§2O§8 single crystals. (1992)

Sparn, G., Baenitz, M., Horn, S., Steglich, F., Assmus, W., Wolf, T., ...

Proc.of the Internat.Conf.on Materials and Mechanisms of Superconductivity High-Temperature Superconductors (M2S-HTSC), Stanford, Calif., July 23 - 28, 1989 Part I

Evidence from heat conductivity for normal-conducting chains in the high T§c superconductor YBa§2Cu§3O§6§.§9. (1992)

Petersen, K., Arnold, S., Bredl, C.D., Sparn, G., Steglich, F., Takahashi, S., ...

Proc.of the 3rd Internat.Conf.on Materials and Mechanisms of Superconductivity High-Temperature Superconductors (M2S-HTSC), Kanazawa, J, July 22 - 26, 1991 Part II

Anomalie in der thermischen Ausdehnung an YBa§2Cu§3O§7§-§d§e§l§t§a bei tiefen Temperaturen: Hinweis auf hohe Beweglichkeit von Sauerstoff. (1990)

Lang, M., Kuersch, R., Tachiki, M., Wolf, T., Steglich, F.

Fruehjahrstagung DPG, Festkoerperphysik, Duenne Schichten, Dynamik und Statistische Physik, Halbleiterphysik, Magnetismus, Metallphysik, Oberflaechenphysik, Tiefe Temperaturen, Vakuumtechnik,...

Evidenz fuer einen nichtphononischen Beitrag zur thermischen Leitfaehigkeit in Hochtemperatursupraleitern weit unterhalb T§c. (1990)

Sparn, G., Baenitz, M., Steglich, F., Assmus, W., Wolf, T., Zhao, Z.X.

Fruehjahrstagung DPG, Festkoerperphysik, Duenne Schichten, Dynamik und Statistische Physik, Halbleiterphysik, Magnetismus, Metallphysik, Oberflaechenphysik, Tiefe Temperaturen, Vakuumtechnik,...

Spezifische Waerme von YBa§2Cu§3O§7 und Bi§2Sr§2CaCu§2O§8 bei tiefen Temperaturen und hohen Magnetfeldern. (1989)

Caspary, R., Winkelmann, M., Bredl, C.D., Steglich, F., Schmidt, H., Rietschel, H.

Fruehjahrstagung DPG, Festkoerperphysik, Duenne Schichten, Dynamik und Statistische Physik, Halbleiterphysik, Magnetismus, Metallphysik, Oberflaechenphysik, Tiefe Temperaturen, Vakuumtechnik,...

Gitterinstabilitaet in La§2CuO§4 bei tiefen Temperaturen. (1989)

Lang, M., Hoehr, A., Spille, H., Steglich, F., Rietschel, H., Roth, G., ...

Fruehjahrstagung DPG, Festkoerperphysik, Duenne Schichten, Dynamik und Statistische Physik, Halbleiterphysik, Magnetismus, Metallphysik, Oberflaechenphysik, Tiefe Temperaturen, Vakuumtechnik,...

Thermal-expansion-derived lattice instability in La§2CuO§4. (1989)

Lang, M., Hoehr, A., Spille, H., Steglich, F., Rietschel, H., Roth, G., ...

Zeitschrift fuer Physik B, 74(1989) S.3-4

Low-temperature specific heat in high magnetic field of Bi§2Sr§2CaCu§2O§8. (1989)

Caspary, R., Hoehr, A., Spille, H., Steglich, F., Schmidt, H., Ahrens, R., ...

Europhysics Letters, 8(1989) S.639-43

Crystal-field effects and f-derived specific heats in heavy-fermion compounds. (1989)

Rietschel, H., Renker, B., Felten, R., Steglich, F., Weber, G.

Journal of Magnetism and Magnetic Materials, 76-77(1988) S.105-11

Normal ground-state properties of heavy-fermion actinide compounds. (1988)

Renker, B., Gompf, F., Gering, E., Frings, P., Rietschel, H., Felten, R., ...

Yamada Conf., Sendai, J, August 31 - September 3, 1987

Struktureller Phasenuebergang von La§2CuO§4 bei 36K? (1988)

Lang, M., Steglich, F., Schefzyk, R., Spille, H., Kneissel, H., Gottwick, U., ...