Phone: ++49 7247 82-6417 FAX: ++49 7247 82-6368 E-Mail: Ralph.Krupke@int.fzk.de Address: Forschungszentrum Karlsruhe GmbH Institut für Nanotechnologie Postfach 3640 D-76021 Karlsruhe Germany

Physical Properties of Nanostructures

Separation of metallic from semiconducting single-walled carbon nanotubes
R. Krupke, F. Hennrich, H. v. Löhneysen, M. M. Kappes
http://www.sciencemag.org/cgi/content/abstract/1086534v1?ijkey=2Grh7I3Bb3TZ.&keytype=ref&siteid=sci

Simultaneous deposition of metallic bundles of single-walled carbon nanotubes using ac-dielectrophoresis
R. Krupke, F. Hennrich, H. B. Weber, M. M. Kappes, H. v. Löhneysen
Nano Lett. 3 (2003) DOI: 10.1021/nl0342343

Near infrared absorbance of single-walled carbon nanotubes dispersed in dimethylformamide
R. Krupke, F. Hennrich, O. Hampe, M. M. Kappes
J. Phys. Chem. B 107(24) (2003) 5667-5669; DOI: 10.1021/jp034077w

Contacting single bundles of carbon nanotubes with alternating electric fields
R. Krupke, H. Weber, F. Hennrich, S. Malik, O. Hampe, M. Kappes, H. v. Löhneysen
Appl. Phys. A 76 (2003) 397-400

Patterning and visualizing self-assembled monolayers with low-energy electrons
R. Krupke, S. Malik, H. B. Weber, O. Hampe, M. M. Kappes, H. v. Löhneysen
Nano Lett. 2(10) (2002) 1161-1164

Determination of the superconducting gap in Y1Ba2Cu3O7-d by tunneling experiments under magnetic fields
Y. Dagan, R. Krupke, G. Deutscher
Phys. Rev. B 62 (2000) 146-149

[110] tunneling under applied magnetic fields into Y1Ba2Cu3O7-d: Possible evidence for a field-induced idxy gap component
Y. Dagan, R. Krupke, G. Deutscher
Europhys. Lett. 51 (2000) 116-121

Field induced and spontaneous sub-gap in [110] and [100] oriented YBCO films: indication for a dx2-y2 + idxy order parameter
G. Deutscher, Y. Dagan, A. Kohen, R. Krupke
Physica C 341-348 (2000) 1629-1632

Anisotropic Magnetic Field Dependence of the Zero-Bias Anomaly on In-Plane Oriented [100] Y1Ba2Cu3O7-x/In Tunnel Junctions
R. Krupke, G. Deutscher
Phys. Rev. Lett. 83 (1999) 4634-4637

Spontaneous and field enhanced sub-gaps in in-plane oriented (100)-Y1-XCaXBa2Cu3O7-Y/In tunnel junctions
R.Krupke, G.Deutscher
J. Low Temp. Phys. 117 (1999) 533

A systematic approach to reduce macroscopic defects in c-axis-oriented YBCO films
R. Krupke, G. Deutscher
Physica C 317-318 (1999) 536-539

A systematic approach to reduce macroscopic defects in c-axis-oriented YBCO films
R. Krupke, Z. Barkay, G. Deutscher
Physica C 315 (1999) 99-106

On the origin of hole formation in YBCO films
R. Krupke, Z. Barkay, G. Deutscher
Physica C 289 (1997) 146-150

Superconducting, Structural and Surface Properties of GdBaCuO Thin Films Deposited by Electron Cyclotron Resonance Supported Sputtering
R. Krupke, G. Ulmer, R. Schneider, M. Kurzmeier, G. Linker, J. Geerk
Physica C 279 (1997) 153-168

Evidence for a Complex Order Parameter on the Surface of (100)-In-plane Oriented Y1-XCaXBa2Cu3O7-Y Superconducting Thin Films From Tunneling Experiments
R. Krupke, Ph.D.-thesis (1999)