Pandey, P. and Kraft, R. and Krupke, R. and Beckmann, D. and Danneau, R. (2019):
Andreev reflection in ballistic normal metal/graphene/superconductor junctions.
In: Physical Review B, 100 (16), p. 165416. American Physical Society, ISSN 2469-9950,
DOI: 10.1103/PhysRevB.100.165416,
[Article]

Krupke, Ralph and Hennrich, Frank and Weber, H. B. and Beckmann, D. and Hampe, O. and Malik, S. and Kappes, M. M. and Löhneysen, Hilbert v. (2003):
Contacting single bundles of carbon nanotubes with alternating electric fields.
In: Applied Physics A: Materials Science & Processing, 76 (3), pp. 397-400. ISSN 0947-8396,
[Article]