DOI: 10.1142/s0217979203021423. Josephson Effect in Pb/I/NbSe2 Scanning Tunneling Microscope Junctions

Josephson Effect in Pb/I/NbSe2 Scanning Tunneling Microscope Junctions

10.1142/s0217979203021423

Crossref journal-article

World Scientific Pub Co Pte Lt

International Journal of Modern Physics B (219)

Abstract

We have developed a method for the reproducible fabrication of superconducting scanning tunneling microscope (STM) tips. We use these tips to form superconductor/insulator/superconductor tunnel junctions with the STM tip as one of the electrodes. We show that such junctions exhibit fluctuation dominated Josephson effects, and describe how the Josephson product IcRN can be inferred from the junctions' tunneling characteristics in this regime. This is first demonstrated for tunneling into Pb films, and then applied in studies of single crystals of NbSe 2. We find that in NbSe 2, IcRN is lower than expected, which could be attributed to the interplay between superconductivity and the coexisting charge density wave in this material.

Bibliography

Naaman, O., Dynes, R. C., & Bucher, E. (2003). Josephson Effect in Pb/I/NbSe2 Scanning Tunneling Microscope Junctions. International Journal of Modern Physics B, 17(18n20), 3569â3574.

Authors 3

O. Naaman (first)
R. C. Dynes (additional)
E. Bucher (additional)

References 16 Referenced 17

10.1116/1.577016
10.1126/science.275.5307.1767
10.1038/35001534 / Nature (London) by Pan S. H.
10.1126/science.1066974
10.1103/PhysRevLett.86.5582
10.1103/PhysRevLett.83.1014
10.1063/1.122654
10.1063/1.1344602
10.1103/PhysRevB.64.212506
{'key': 'rf10', 'first-page': '2395', 'volume': '55', 'author': 'Ivanchenko M.', 'journal-title': 'Zh. Eksp. Teor. Fiz.'} / Zh. Eksp. Teor. Fiz. by Ivanchenko M.
10.1103/PhysRevLett.87.097004
10.1126/science.1065068
10.1103/PhysRevB.64.161103
10.1016/0022-0248(94)91287-4
10.1103/PhysRevLett.10.486
10.1002/pssb.2221610129

Dates

Type	When
Created	21 years, 11 months ago (Sept. 16, 2003, 2:12 a.m.)
Deposited	6 years ago (Aug. 6, 2019, 4:43 p.m.)
Indexed	1 year, 8 months ago (Dec. 27, 2023, 3:37 p.m.)
Issued	22 years ago (Aug. 10, 2003)
Published	22 years ago (Aug. 10, 2003)
Published Online	13 years, 7 months ago (Jan. 25, 2012)
Published Print	22 years ago (Aug. 10, 2003)

Funders 0

None

BibTeX

@article{Naaman_2003, title={Josephson Effect in Pb/I/NbSe2 Scanning Tunneling Microscope Junctions}, volume={17}, ISSN={1793-6578}, url={http://dx.doi.org/10.1142/s0217979203021423}, DOI={10.1142/s0217979203021423}, number={18n20}, journal={International Journal of Modern Physics B}, publisher={World Scientific Pub Co Pte Lt}, author={Naaman, O. and Dynes, R. C. and Bucher, E.}, year={2003}, month=aug, pages={3569–3574} }

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