Observation of a d-wave nodal liquid in highly underdoped Bi_2Sr_2CaCu_2O_{8+\delta} (2009)
Chatterjee, U., Shi, M., Ai, D., Zhao, J., Kanigel, A., Rosenkranz, S., ...
We use angle resolved photoemission spectroscopy to probe the electronic excitations of the non-superconducting state that exists between the antiferromagnetic Mott insulator at zero doping and the...
Studies of superconductivity and structure for CaC6 to pressures above 15 GPa (2009)
Debessai, M., Hamlin, J. J., Schilling, J. S., Meng, Y., Rosenmann, D., Hinks, D. G., ...
The dependence of the superconducting transition temperature Tc of CaC6 has been determined as a function of hydrostatic pressure in both helium-loaded gas and diamond-anvil cells to 0.6 and 32 GPa,...
Resonant Spin Excitation in the High Temperature Superconductor Ba0.6K0.4Fe2As2 (2008)
Christianson, A. D., Goremychkin, E. A., Osborn, R., Rosenkranz, S., Lumsden, M. D., Malliakas, C. D., ...
The recent observations of superconductivity at temperatures up to 55K in compounds containing layers of iron arsenide have revealed a new class of high temperature superconductors that show striking...
Probing the vortex state in CaC$_6$ using transverse field muon spin rotation (2008)
Kanigel, A., Di Castro, D., Keren, A., Postorino, P., Rosenmann, D., Welp, U., ...
We report temperature and transverse field-dependent muon spin relaxation measurements in a c-axis oriented sample of the superconductor CaC$_{6}$. The results indicate a fully gapped Fermi surface...
Unconventional superconductivity in Ba0.6K0.4Fe2As2 from inelastic neutron scattering (2008)
Goremychkin, EA, Osborn, R, Rosenkranz, S, Lumsden, MD, Malliakas, CD, Todorov, IS, ...
A new family of superconductors containing layers of iron arsenide has attracted considerable interest because of their high transition temperatures (Tc), some of which are >50 K, and because of...
SurvNet- Electronic Surveillance System for Infectious Disease Outbreaks in Germany (2007)
G. Krause, D. Altmann, D. Faensen, K. Schenkel, J. Benzler, T. Pfoch, ...
SurvNet- Electronic Surveillance System for Infectious Disease Outbreaks in Germany (2007)
G. Krause, D. Altmann, D. Faensen, K. Schenkel, J. Benzler, T. Pfoch, ...
SurvNet- Electronic Surveillance System for Infectious Disease Outbreaks in Germany (2007)
G. Krause, D. Altmann, D. Faensen, K. Schenkel, J. Benzler, T. Pfoch, ...
SurvNet- Electronic Surveillance System for Infectious Disease Outbreaks in Germany (2007)
G. Krause, D. Altmann, D. Faensen, K. Schenkel, J. Benzler, T. Pfoch, ...
Reentrant Orbital Order and the True Ground State of LaSr2Mn2O7 (2007)
Li, Qing'An, Gray, K. E., Zheng, H., Claus, H., Rosenkranz, S., Ancona, S. Nyborg, ...
Contrary to conventional wisdom, our purified La2-2xSr1+2xMn2O7 crystals exhibit CE-type orbital and charge order as the low-temperature ground state for a hole doping level h = 0.5. For small...
Evidence of Strong-Coupled Superconductivity in CaC6 from Tunneling Spectroscopy (2006)
Kurter, C., Ozyuzer, L., Mazur, Daniel, Zasadzinski, J. F., Rosenmann, D., Claus, H., ...
Point-contact tunneling on CaC$_6$ crystals reproducibly reveals superconducting gaps, $\Delta$, of 2.3$\pm$0.2 meV which are $\sim$~40% larger than earlier reports. That puts CaC$_6$ into the class...
Large Ca Isotope Effect in CaC6 (2006)
Hinks, D. G., Rosenmann, D., Claus, H., Bailey, M. S., Jorgensen, J. D.
We have measured the Ca isotope effect in the newly discovered superconductor CaC6. The isotope effect coefficient is 0.50(7). If one assumes that this material is a conventional electron-phonon...
Tomita, T., Schilling, J. S., Chen, L., Veal, B. W., Claus, H.
The dependence of the critical current density Jc on hydrostatic pressure to 0.6 GPa is determined for a single 25-degree [001]-tilt grain boundary in a bicrystalline ring of nearly optimally doped...
Barnes, P. W., Avdeev, M., Jorgensen, J. D., Hinks, D. G., Claus, H., Short, S.
We report the synthesis and superconducting properties of a metastable form of the known superconductor NaxCoO2*yH2O (x ~ 1/3, y ~ 4x). Instead of using the conventional bromine-acetonitrile mixture...
Tomita, T., Deemyad, S., Hamlin, J. J., Schilling, J. S., Tissen, V. G., Veal, B. W., ...
The ability of single grain boundaries in YBa2Cu3Ox bicrystalline rings to carry electrical current is found to be significantly enhanced under hydrostatic pressure. Nearly hydrostatic pressures are...
Effect of High Energy Heavy Ion Irradiation on c-axis Oriented MgB2 Films (2002)
Olsson, R. J., Kwok, W. K., Karapetrov, G., Iavarone, M., Claus, H., Peterson, C., ...
We report on the transport, magnetization, and scanning tunneling spectroscopy measurements on c-axis oriented thin films of MgB2 irradiated with high energy heavy ions of uranium and gold. We find a...
Hinks, D. G., Claus, H., Jorgensen, J. D.
The recent discovery of superconductivity at ~39 K in MgB2, by Nagamatsu et al. establishes this simple binary compound as having the highest bulk superconducting transition temperature, Tc, of any...
Growth rate dependence of physical properties of YBa§2Cu§3O§x single crystals. (2000)
Zheng, H., Jiang, M., Veal, B.W., Claus, H., Obst, B.
Physica C, 301(1998) S.147-54
Electronic transport and specific heat of Ca-doped YBa§2Cu§3O§x single crystals. (1997)
Zenner, T., Pelzer, H., Obst, B., Büttner, J., Schweiss, P., Wolf, T., ...
3rd Internat.Conf.on Physics and Chemistry of Molecular and Oxide Superconductors, Karlsruhe, August 2-8, 1996
Zhukov, A.A., Küpfer, H., Perkins, G.K., Cohen, L.F., Caplin, A.D., Klestov, S.A., ...
Dew-Hughes, D. [Hrsg.]
Evidence for chain superconductivity in near-stoichiometric YBa§2Cu§3O§x single crystals. (1996)
Breit, V., Schweiss, P., Hauff, R., Wühl, H., Claus, H., Rietschel, H., ...
Physical Review B, 52(1995) S.R15727-30
Transporteigenschaften und spezifische Wärme Ca-dotierter YBa§2Cu§3O§x-Einkristalle. (1996)
Büttner, J., Zenner, T., Claus, H., Kläser, M., Müller-Vogt, G., Obst, B., ...
Frühjahrstagung DPG, Festkörperphysik, Regensburg, 25.-29.März 1996
Zhukov, A.A., Perkins, G., Cohen, L.F., Küpfer, H., Totty, J.T., Caplin, A.D., ...
Proc.of the 4th Internat.Conf.on Materials and Mechanisms of Superconductivity and High Temperature Superconductors, Grenoble, F, July 4-9, 1994
Zhukov, A.A., Küpfer, H., Perkins, G., Cohen, L.F., Caplin, A.D., Klestov, S.A., ...
European Conf.on Applied Superconductivity, Edinburgh, GB, July 3-6, 1995
Zhukov, A.A., Küpfer, H., Kläser, M., Claus, H., Wühl, H.
European Conf.on Applied Superconductivity, Edinburgh, GB, July 3-6, 1995
Zhukov, A.A., Küpfer, H., Perkins, G., Cohen, L.F., Caplin, A.D., Klestov, S.A., ...
Physical Review B, 51(1995) S.12704-14
Surface-sensitive paramagnetic Meissner effect in YBa§2Cu§3O§x single crystals. (1995)
Lucht, R., Löhneysen, H.von, Claus, H., Kläser, M., Müller-Vogt, G.
Physical Review B, 52(1995) S.9724-26
Influence of twins on the peak effect and vortex pinning in YBa§2Cu§3O§y single crystals. (1995)
Zhukov, A.A., Küpfer, H., Claus, H., Wühl, H., Kläser, M., Müller-Vogt, G.
Physical Review B, 52(1995) S.R9871-R9874
Superconductivity of overdoped YBa§2Cu§3O§x single crystals near x=7. (1995)
Hauff, R., Breit, V., Claus, H., Herrmann, D., Knierim, A., Schweiss, P., ...
Physica C, 235-240(1994) S.1953-54
Schweiss, P., Reichardt, W., Braden, M., Collin, G., Heger, G., Claus, H., ...
Physical Review B, 49(1994) S.1387-96
Observation of the Wohlleben effect in YBa§2Cu§3O§7§-§d§e§l§t§a single crystals. (1994)
Riedling, S., Bräuchle, G., Lucht, R., Röhberg, K., Löhneysen, H.von, Claus, H., ...
Physical Review B, 49(1994) S.13283-86
Zibold, A., Widder, K., Geserich, H.P., Braeuchle, G., Claus, H., Löhneysen, H.von, ...
13th General Conf.of the Condensed Matter Division of the European Physical Society in Conjunction with Arbeitskreis Festkoerperphysik Deutsche Physikalische Gesellschaft, Regensburg, March 29 -...
Ferromagnetic transition in dilute Pd-Fe alloys. (1993)
Buescher, C., Auerswald, T., Scheer, E., Scroeder, A., Löhneysen, H.von, Claus, H.
Physical Review B, 46(1992) S.983-89
Doping dependence and orbital character of electronic states in YBa§2Cu§3O§x. (1993)
Nuecker, N., Pellegrin, E., Schweiss, P., Fink, J., Molodtsov, M.L., Simmons, C.T., ...
Deutsch-russisch-ukrainisches Seminar zur Supraleitung, Dubna, GUS, 13.-18.September 1993
Zibold, A., Widder, K., Geserich, H.P., Braeuchle, G., Claus, H., Löhneysen, H.von, ...
Physica C, 212(1993) S.365-71
Ferromagnetic transition in dilute Pd-Fe alloys (1992)
Büscher, C., Auerswald, T., Scheer, Elke, Schröder, A., Von Löhneysen, Hilbert, Claus, H.
We present low-field magnetization and specific-heat data for Pd_(1-x)Fe_(x) alloys with x ranging from 0.08 to 0.6 at. % Fe. Both types of measurements were done on the same samples. The samples are...
Influence of oxygen deficiency on the superconducting properties of YBa§2Cu§3O§7§-§d§e§l§t§a. (1992)
Wuehl, H., Benischke, R., Braun, M., Frank, B., Kraut, O., Ahrens, R., ...
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
T§c-Maximum im '90K-Plateau' von Y§1Ba§2Cu§3O§x. (1992)
Braun, M., Runtsch, B., Gebhard, U., Erb, A., Roehberg, K., Claus, H., ...
Fruehjahrstagung des Arbeitskreises Festkoerperphysik bei der DPG, gemeinsame Tagung mit der Oesterreichischen Physikalischen Gesellschaft -Fachausschuss Festkoerperphysik-, Nederlandse Natuurkundige...
Anisotrope Druckabhaengigkeit von Y§1Ba§2Cu§3O§7§-§d§e§l§t§a (0 < delta < 0.5). (1992)
Kraut, O., Braeuchle, G., Meingast, C., Claus, H., Erb, A., Mueller-Vogt, G., ...
Fruehjahrstagung des Arbeitskreises Festkoerperphysik bei der DPG, gemeinsame Tagung mit der Oesterreichischen Physikalischen Gesellschaft -Fachausschuss Festkoerperphysik-, Nederlandse Natuurkundige...
Duerrler, M., Zibold, A., Widder, K., Geserich, H.P., Braeuchle, G., Claus, H., ...
Fruehjahrstagung des Arbeitskreises Festkoerperphysik bei der DPG, gemeinsame Tagung mit der Oesterreichischen Physikalischen Gesellschaft -Fachausschuss Festkoerperphysik-, Nederlandse Natuurkundige...
Meingast, C., Kraut, O., Braeuchle, G., Claus, H., Erb, A., Jilek, E., ...
Fall Meeting of the Materials Research Society, Boston, Mass., November 30 - December 4, 1992
The '90 K' plateau of oxygen deficient YBa§2Cu§3O§7§-§d§e§l§t§a single crystals. (1992)
Claus, H., Braun, M., Erb, A., Roehberg, K., Runtsch, B., Wuehl, H., ...
Physica C, 198(1992) S.42-46
Phase separation in YBa§2Cu§3O§7§-§d§e§l§t§a single crystals near delta=0. (1992)
Claus, H., Gebhard, U., Linker, G., Roehberg, K., Riedling, S., Franz, J., ...
Physica C, 200(1992) S.271-76
Effekt von Sauerstoff auf die elektronischen Eigenschaften von Pd. (1991)
Auerswald, T., Claus, H., Meyer, O.
55.Physikertagung und Fruehjahrstagung des Arbeitskreises Festkoerperphysik der DPG gemeinsam mit der Nederlandse Natuurkundige Vereniging -Dynamik und Statistische Physik- und dem Fachbereich Physik...
Effect of oxygen on the electronic properties of Pd. (1991)
Auerswald, T., Claus, H., Meyer, O.
Physical Review B, 43(1991) S.14232-35
MAGNETISM AND ATOMIC SHORT-RANGE ORDER IN V-Fe AND Cu-Ni (1978)
Magnetic susceptibility measurements on several V-Fe and Cu-Ni alloys reveal that the magnetic ordering température varies strongly with the degree of atomic short range order or atomic clustering....
MAGNETISM AND ATOMIC SHORT-RANGE ORDER IN V-Fe AND Cu-Ni (1978)
Magnetic susceptibility measurements on several V-Fe and Cu-Ni alloys reveal that the magnetic ordering température varies strongly with the degree of atomic short range order or atomic clustering....
MAGNETISM AND ATOMIC SHORT-RANGE ORDER IN V-Fe AND Cu-Ni (1978)
Magnetic susceptibility measurements on several V-Fe and Cu-Ni alloys reveal that the magnetic ordering température varies strongly with the degree of atomic short range order or atomic clustering....
Genetic Isolation of Meningococci of the Electrophoretic Type 37 Complex
Claus, H., Stoevesandt, J., Frosch, M., Vogel, U.
Neisseria meningitidis (the meningococcus) is a naturally competent bacterial species in which intra- and interspecific horizontal gene transfer is a major source of genetic diversity. In strains of...
Genetic Isolation of Meningococci of the Electrophoretic Type 37 Complex
Claus, H., Stoevesandt, J., Frosch, M., Vogel, U.
Neisseria meningitidis (the meningococcus) is a naturally competent bacterial species in which intra- and interspecific horizontal gene transfer is a major source of genetic diversity. In strains of...
Hendriks, Ch. A. M., Claus, H.
The underground workers in the Dutch coal-mines have been radiographed (70 mm.) seven times since 1949. The prevalence of coal-miners' pneumoconiosis shows a continuous decrease in all age groups. To...